Product Manual
®
Seagate Enterprise Performance 10K HDD v7
Standard Models
SED FIPS 140-2 Models
ST1200MM0007
ST1200MM0027
Self-Encrypting Drive Models
SED-ISE* Models
ST1200MM0037
ST1200MM0017
* Instant Secure Erase
100713202
Rev. C
July 2013
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CONTENTS
SEAGATE TECHNOLOGY SUPPORT SERVICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
SCOPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
APPLICABLE STANDARDS AND REFERENCE DOCUMENTATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
STANDARDS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Electromagnetic compatibility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Electromagnetic compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
REFERENCE DOCUMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
STANDARD FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
MEDIA DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
PERFORMANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
RELIABILITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
FORMATTED CAPACITIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
PROGRAMMABLE DRIVE CAPACITY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
FACTORY-INSTALLED OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
PERFORMANCE CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
INTERNAL DRIVE CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PERFORMANCE CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
General performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
START/STOP TIME . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
PREFETCH/MULTI-SEGMENTED CACHE CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
CACHE OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Caching write data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Prefetch operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
RELIABILITY SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
ERROR RATES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Recoverable Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Unrecoverable Errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Seek errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Interface errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
RELIABILITY AND SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Preventive maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Hot plugging the drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
S.M.A.R.T. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Thermal monitor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Drive Self Test (DST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Product warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
PHYSICAL/ELECTRICAL SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
TM
6.1
POWERCHOICE POWER MANAGEMENT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
PowerChoice reporting methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.3
AC POWER REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
DC POWER REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
SEAGATE ENTERPRISE PERFORMANCE 10K HDD V7 PRODUCT MANUAL, REV. C
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CONTENTS
Conducted noise immunity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Power sequencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Current profiles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
POWER DISSIPATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
ENVIRONMENTAL LIMITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Relative humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Effective altitude (sea level) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Shock and vibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Air cleanliness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Corrosive environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Acoustics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Electromagnetic susceptibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
MECHANICAL SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
ABOUT FIPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
ABOUT SELF-ENCRYPTING DRIVES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
DATA ENCRYPTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
CONTROLLED ACCESS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Admin SP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Locking SP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Default password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
RANDOM NUMBER GENERATOR (RNG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
DRIVE LOCKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
DATA BANDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
CRYPTOGRAPHIC ERASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
AUTHENTICATED FIRMWARE DOWNLOAD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
POWER REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
SUPPORTED COMMANDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
SANITIZE - CRYPTOGRAPHIC ERASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
REVERTSP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
DEFECT AND ERROR MANAGEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
DRIVE INTERNAL DEFECTS/ERRORS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
DRIVE ERROR RECOVERY PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
SAS SYSTEM ERRORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
BACKGROUND MEDIA SCAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
DEFERRED AUTO-REALLOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
IDLE READ AFTER WRITE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
PROTECTION INFORMATION (PI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Levels of PI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Identifying a Protection Information drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
SEAGATE RAID REBUILD ™. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
DRIVE ORIENTATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
COOLING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
DRIVE MOUNTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
GROUNDING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
INTERFACE REQUIREMENTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
11.1 SAS FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
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CONTENTS
Task management functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Task management responses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
DUAL PORT SUPPORT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
SCSI COMMANDS SUPPORTED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Inquiry data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Mode Sense data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
MISCELLANEOUS OPERATING FEATURES AND CONDITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
SAS physical interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Physical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Connector requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Electrical description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
SAS transmitters and receivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Power. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
SIGNAL CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Ready LED Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Differential signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
11.7
SAS-2 SPECIFICATION COMPLIANCE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
ADDITIONAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
SEAGATE ENTERPRISE PERFORMANCE 10K HDD V7 PRODUCT MANUAL, REV. C
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FIGURES
Current profiles for 1200GB models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Recommended mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Physical interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 10. Physical interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Figure 11. SAS device plug dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Figure 12. SAS device plug dimensions (detail) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
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Seagate Technology Support Services
For information regarding online support and services, visit http://www.seagate.com/about/contact-us/technical-support/
Available services include:
•
•
•
Presales & Technical support
Global Support Services telephone numbers & business hours
Authorized Service Centers
For information regarding Warranty Support, visit: http://www.seagate.com/support/warranty-and-replacements/
For information regarding data recovery services, visit http://www.seagate.com/services-software/data-recovery-services/
Seagate Enterprise Performance 10K HDD v7 Product Manual, Rev. C
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1.0 SCOPE
This manual describes Seagate Technology® LLC, Seagate® Enterprise Performance 10K HDD v7 (Serial Attached SCSI)
disk drives.
Seagate Enterprise Performance 10K HDD drives support the SAS Protocol specifications to the extent described in this
manual. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of this and other
Seagate SAS drives. The Self-Encrypting Drive Reference Manual, part number 100515636, describes the interface, general
operation, and security features available on Self-Encrypting Drive models.
Product data communicated in this manual is specific only to the model numbers listed in this manual. The data listed in this
manual may not be predictive of future generation specifications or requirements. If integrators are designing a system which
will use one of the models listed or future generation products and need further assistance, please contact the Field
Unless otherwise stated, the information in this manual applies to standard and Self-Encrypting Drive models.
SED-ISE Drive
Self-Encrypting Drive
(SED)
Standard models
FIPS 140-2 Level 2
1
(Instant Secure Erase)
ST1200MM0007
ST1200MM0017
ST1200MM0027
ST1200MM0037
1.
Specific features may not be available in all models or countries -- contact Seagate for availability.
Note. Previous generations of Seagate Self-Encrypting Drive models were called Full Disk Encryption (FDE) models
before a differentiation between drive-based encryption and other forms of encryption was necessary.
For product certification status visit - http://csrc.nist.gov/groups/STM/cmvp/documents/140-1/1401vend.htm.
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2.0 APPLICABLE STANDARDS AND REFERENCE DOCUMENTATION
The drives documented in this manual have been developed as system peripherals to the highest standards of design and
construction. The drives depend on host equipment to provide adequate power and environment for optimum performance
and compliance with applicable industry and governmental regulations. Special attention must be given in the areas of
safety, power distribution, shielding, audible noise control, and temperature regulation. In particular, the drives must be
securely mounted to guarantee the specified performance characteristics. Mounting by bottom holes must meet the
2.1
STANDARDS
The Seagate Enterprise Performance 10K HDD family complies with Seagate standards as noted in the appropriate sections
of this manual and the Seagate SAS Interface Manual, part number 100293071.
The drives are recognized in accordance with UL 60950-1 as tested by UL, CSA 60950-1 as tested by CSA, and EN60950-1
as tested by TUV.
The security features of Self-Encrypting Drive models are based on the “TCG Storage Architecture Core Specification” and
the “TCG Storage Workgroup Security Subsystem Class: Enterprise_A” specification with additional vendor-unique features
as noted in this product manual.
2.1.1 Electromagnetic compatibility
The drive, as delivered, is designed for system integration and installation into a suitable enclosure prior to use. The drive is
supplied as a subassembly and is not subject to Subpart B of Part 15 of the FCC Rules and Regulations nor the Radio
Interference Regulations of the Canadian Department of Communications.
The design characteristics of the drive serve to minimize radiation when installed in an enclosure that provides reasonable
shielding. The drive is capable of meeting the Class B limits of the FCC Rules and Regulations of the Canadian Department
of Communications when properly packaged; however, it is the user’s responsibility to assure that the drive meets the
appropriate EMI requirements in their system. Shielded I/O cables may be required if the enclosure does not provide
adequate shielding. If the I/O cables are external to the enclosure, shielded cables should be used, with the shields
grounded to the enclosure and to the host controller.
2.1.1.1 Electromagnetic susceptibility
As a component assembly, the drive is not required to meet any susceptibility performance requirements. It is the
responsibility of those integrating the drive within their systems to perform those tests required and design their system to
ensure that equipment operating in the same system as the drive or external to the system does not adversely affect the
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2.1.2 Electromagnetic compliance
Seagate uses an independent laboratory to confirm compliance with the directives/standards for CE Marking and C-Tick
Marking. The drive was tested in a representative system for typical applications and comply with the Electromagnetic
Interference/Electromagnetic Susceptibility (EMI/EMS) for Class B products. The selected system represents the most
popular characteristics for test platforms. The system configurations include:
• Typical current use microprocessor
• Keyboard
• Monitor/display
• Printer
• Mouse
Although the test system with this Seagate model complies with the directives/standards, we cannot guarantee that all
systems will comply. The computer manufacturer or system integrator shall confirm EMC compliance and provide the
appropriate marking for their product.
Electromagnetic compliance for the European Union
If this model has the CE Marking it complies with the European Union requirements of the Electromagnetic Compatibility
Directive 2004/108/EC as put into place on 20 July 2007.
Australian C-Tick
If this model has the C-Tick Marking it complies with the Australia/New Zealand Standard AS/NZ CISPR22 and meets the
Electromagnetic Compatibility (EMC) Framework requirements of Australia’s Spectrum Management Agency (SMA).
Korean KCC
If these drives have the Korean Communications Commission (KCC) logo, they comply with KN22, KN 24, and KN61000.
Taiwanese BSMI
If this model has the Taiwanese certification mark then it complies with Chinese National Standard, CNS13438.
2.1.3 European Union Restriction of Hazardous Substances (RoHS)
The European Union Restriction of Hazardous Substances (RoHS) Directive restricts the presence of chemical substances,
including Lead (Pb), in electronic products effective July 2006.
A number of parts and materials in Seagate products are procured from external suppliers. We rely on the representations of
our suppliers regarding the presence of RoHS substances in these parts and materials. Our supplier contracts require
compliance with our chemical substance restrictions, and our suppliers document their compliance with our requirements by
providing material content declarations for all parts and materials for the disk drives documented in this publication. Current
supplier declarations include disclosure of the inclusion of any RoHS-regulated substance in such parts or materials.
Seagate also has internal systems in place to ensure ongoing compliance with the RoHS Directive and all laws and
regulations which restrict chemical content in electronic products. These systems include standard operating procedures that
ensure that restricted substances are not utilized in our manufacturing operations, laboratory analytical validation testing,
and an internal auditing process to ensure that all standard operating procedures are complied with.
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2.1.4 China Restriction of Hazardous Substances (RoHS) Directive
This product has an Environmental Protection Use Period (EPUP) of 20 years. The following table contains
information mandated by China's "Marking Requirements for Control of Pollution Caused by Electronic
Information Products" Standard.
"O" indicates the hazardous and toxic substance content of the part (at the homogenous material level) is lower than the
threshold defined by the China RoHS MCV Standard.
"X" indicates the hazardous and toxic substance content of the part (at the homogenous material level) is over the threshold
defined by the China RoHS MCV Standard.
2.2
REFERENCE DOCUMENTS
SCSI Commands Reference Manual
SAS Interface Manual
Seagate part number: 100293068
Seagate part number: 100293071
ANSI SAS Documents
SFF-8223
2.5” Drive Form Factor with Serial Connector
HSS Backplane Design Guidelines
SFF-8460
SFF-8470
Multi Lane Copper Connector
SFF-8482
SAS Plug Connector
ANSI INCITS.xxx
Serial Attached SCSI (SAS-2) Standard (T10/1760-D)
SCSI Architecture Model-3 (SAM-4) Standard (T10/1683-D)
SCSI Primary Commands-3 (SPC-3) Standard (T10/1416-D)
SCSI Block Commands-3 (SBC-2) Standard (T10/1417-D)
ISO/IEC 14776-xxx
ISO/IEC 14776-xxx
ISO/IEC 14776-xxx
ANSI Small Computer System Interface (SCSI) Documents
X3.270-1996
(SCSI-3) Architecture Model
Trusted Computing Group (TCG) Documents (apply to Self-Encrypting Drive models only)
TCG Storage Architecture Core Specification, Rev. 1.0
TCG Storage Security Subsystem Class Enterprise Specification, Rev. 1.0
Self-Encrypting Drives Reference Manual
Seagate part number: 100515636
In case of conflict between this document and any referenced document, this document takes precedence.
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3.0 GENERAL DESCRIPTION
Seagate® Enterprise Performance 10K HDD v7 drives provide high performance, high capacity data storage for a variety of
systems including engineering workstations, network servers, mainframes, and supercomputers. The Serial Attached SCSI
interface is designed to meet next-generation computing demands for performance, scalability, flexibility and high-density
storage requirements.
Seagate Enterprise Performance 10K HDD drives are random access storage devices designed to support the Serial
Attached SCSI Protocol as described in the ANSI specifications, this document, and the SAS Interface Manual (part number
100293071) which describes the general interface characteristics of this drive. Seagate Enterprise Performance 10K HDD
drives are classified as intelligent peripherals and provide level 2 conformance (highest level) with the ANSI SCSI-1
standard. The SAS connectors, cables and electrical interface are compatible with Serial ATA (SATA), giving future users the
choice of populating their systems with either SAS or SATA hard disk drives. This allows integrators to continue to leverage
existing investment in SCSI while gaining a 6Gb/s serial data transfer rate.
Note. Never disassemble the HDA and do not attempt to service items in the sealed enclosure (heads, media, actuator,
etc.) as this requires special facilities. The drive does not contain user-replaceable parts. Opening the HDA for
any reason voids the warranty.
Seagate Enterprise Performance 10K HDD drives use a dedicated load/unload zone at the outermost radius of the media to
eliminate the possibility of destroying or degrading data by landing in the data zone. The heads automatically go to the ramp
load/unload when power is removed from the drive.
An automatic shipping lock prevents potential damage to the heads and discs that results from movement during shipping
and handling. The shipping lock disengages and the head load process begins when power is applied to the drive.
The drives also use a high-performance actuator assembly with a low-inertia, balanced, patented, straight arm design that
provides excellent performance with minimal power dissipation.
3.1
STANDARD FEATURES
Seagate Enterprise Performance 10K HDD drives have the following standard features:
• 1.5 / 3 / 6 Gb Serial Attached SCSI (SAS) interface
• Integrated dual port SAS controller supporting the SCSI protocol
• Support for SAS expanders and fanout adapters
• Firmware downloadable using the SAS interface
• 128 - deep task set (queue)
• Supports up to 16 initiators
• Jumperless configuration
• User-selectable logical block size (512, 520, 524 or 528 bytes per logical block)
• Industry standard SFF 2.5-inch dimensions
• Programmable logical block reallocation scheme
• Flawed logical block reallocation at format time
• Programmable auto write and read reallocation
• Reallocation of defects on command (Post Format)
• ECC maximum burst correction length of 530 bits
• No preventive maintenance or adjustments required
• Dedicated head load/unload zone and automatic shipping lock
• Embedded servo design
• Self diagnostics performed when power is applied to the drive
• Zone bit recording (ZBR)
• Vertical, horizontal, or top down mounting
• Dynamic spindle brake
• Drive Self Test (DST)
• Background Media Scan (BMS)
• Idle Read After Write (IRAW)
• Power Choice
• RAID Rebuild ™
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Seagate Enterprise Performance 10K HDD Self-Encrypting Drive models have the following additional features:
• Automatic data encryption/decryption
• Controlled access
• Random number generator
• Drive locking
• 16 independent data bands
• Cryptographic erase of user data for a drive that will be repurposed or scrapped
• Authenticated firmware download
3.2
MEDIA DESCRIPTION
The media used on the drive has an glass substrate coated with a thin film magnetic material, overcoated with a proprietary
protective layer for improved durability and environmental protection.
3.3
PERFORMANCE
• Programmable multi-segmentable cache buffer
• 600MB/s maximum instantaneous data transfers.
• 10K RPM spindle. Average latency = 2.9ms
• Background processing of queue
• Supports start and stop commands (spindle stops spinning)
• Adaptive seek velocity; improved seek performance
Note. There is no significant performance difference between Self-Encrypting Drive and standard (non-Self-Encrypting
Drive) models.
3.4
RELIABILITY
• Annualized Failure Rate (AFR) of 0.44%
• Mean time between failures (MTBF) of 2,000,000 hours
• Balanced low mass rotary voice coil actuator
• Incorporates industry-standard Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.)
• 5-year warranty
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3.5
FORMATTED CAPACITIES
Standard OEM models are formatted to 512 bytes per block. The block size is selectable at format time. Supported block
sizes are 512, 520, 524, and 528. Users having the necessary equipment may modify the data block size before issuing a
format command and obtain different formatted capacities than those listed.
To provide a stable target capacity environment and at the same time provide users with flexibility if they choose, Seagate
recommends product planning in one of two modes:
Seagate designs specify capacity points at certain block sizes that Seagate guarantees current and future products will
meet. We recommend customers use this capacity in their project planning, as it ensures a stable operating point with
backward and forward compatibility from generation to generation. The current guaranteed operating points for this product
are shown below.
Capacity (Blocks)
1200GB
Sector
Size
Decimal
Hex
512
520
524
528
2,344,225,968
2,294,615,392
2,264,031,200
2,231,499,112
8BBA0CB0h
88C50D60h
86F25FE0h
8501F968h
3.6
PROGRAMMABLE DRIVE CAPACITY
Using the Mode Select command, the drive can change its capacity to something less than maximum. See the Mode Select
(6) parameter list table in the SAS Interface Manual, part number 100293071. A value of zero in the Number of Blocks field
indicates that the drive will not change the capacity it is currently formatted to have. A number other than zero and less than
the maximum number of LBAs in the Number of Blocks field changes the total drive capacity to the value in the Number of
Blocks field. A value greater than the maximum number of LBAs is rounded down to the maximum capacity.
3.7
FACTORY-INSTALLED OPTIONS
The following items may be ordered which are incorporated at the manufacturing facility during production or packaged
before shipping. Some of the options available are (not an exhaustive list of possible options):
• Other capacities can be ordered depending on sparing scheme and sector size requested.
• Single-unit shipping pack. The drive is normally shipped in bulk packaging to provide maximum protection against transit
damage. Units shipped individually require additional protection as provided by the single unit shipping pack. Users plan-
ning single unit distribution should specify this option.
• The Safety and Regulatory Agency Specifications, part number 75789512, is usually included with each standard OEM
drive shipped, but extra copies may be ordered.
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4.0 PERFORMANCE CHARACTERISTICS
This section provides detailed information concerning performance-related characteristics and features of Seagate
Enterprise Performance 10K HDD drives.
4.1
INTERNAL DRIVE CHARACTERISTICS
1200GB models
Drive capacity
Read/write data heads
Bytes per track
1200
8
997.9
151,674
GB (formatted, rounded off value)
KBytes (avg, rounded off values)
MB (unformatted, rounded off value)
Bytes per surface
Tracks per surface (total) 152
KTracks (user accessible)
Tracks per inch
Peak bits per inch
Areal density
Disk rotation speed
Avg rotational latency
279
1925
538
10K
2.9
KTPI (average)
KBPI
Gb/in2
rpm
ms
4.2
PERFORMANCE CHARACTERISTICS
4.2.1 Format command execution time for 512-byte sectors (minutes)
1200GB models
Maximum (with verify)
247
123
Maximum (without verify)
Execution time measured from receipt of the last byte of the Command Descriptor Block (CDB) to the request for a Status
Byte Transfer to the Initiator (excluding connect/disconnect).
When changing sector sizes, the format times shown above may need to be increased by 30 minutes.
4.2.2 General performance characteristics
Minimum sector interleave
1 to 1
Data buffer to/from disk media (one 512-byte logical block)*
Sustained transfer rate
1.44 to 2.35 Gb/s
119 to 195 MiB/s **
125 to 204 MB/s
SAS Interface maximum instantaneous transfer rate
600 MB/s* per port
(dual port = 1200 MB/s*)
Logical block sizes
512 (default), 520, 524 or 528.
Read/write consecutive sectors on a track
Yes
Flaw reallocation performance impact (for flaws reallocated at format time using the
spare sectors per sparing zone reallocation scheme.)
Negligible
Average rotational latency
2.9ms
*Assumes no errors and no relocated logical blocks. Rate measured from the start of the first logical block transfer to or from the host.
** MiB/s x 1.048 = MB/s
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4.3
START/STOP TIME
The drive accepts the commands listed in the SAS Interface Manual less than 3 seconds after DC power has been applied.
If the drive receives a NOTIFY (ENABLE SPINUP) primitive through either port and has not received a START STOP UNIT
command with the START bit equal to 0, the drive becomes ready for normal operations within 20 seconds (excluding the
error recovery procedure).
If the drive receives a START STOP UNIT command with the START bit equal to 0 before receiving a NOTIFY (ENABLE
SPINUP) primitive, the drive waits for a START STOP UNIT command with the START bit equal to 1. After receiving a
START STOP UNIT command with the START bit equal to 1, the drive waits for a NOTIFY (ENABLE SPINUP) primitive.
After receiving a NOTIFY (ENABLE SPINUP) primitive through either port, the drive becomes ready for normal operations
within 20 seconds (excluding the error recovery procedure).
If the drive receives a START STOP UNIT command with the START bit and IMMED bit equal to 1 and does not receive a
NOTIFY (ENABLE SPINUP) primitive within 5 seconds, the drive fails the START STOP UNIT command.
The START STOP UNIT command may be used to command the drive to stop the spindle. Stop time is 20 seconds
(maximum) from removal of DC power. SCSI stop time is 20 seconds. There is no power control switch on the drive.
4.4
PREFETCH/MULTI-SEGMENTED CACHE CONTROL
The drive provides a prefetch (read look-ahead) and multi-segmented cache control algorithms that in many cases can
enhance system performance. Cache refers to the drive buffer storage space when it is used in cache operations. To select
this feature, the host sends the Mode Select command with the proper values in the applicable bytes in page 08h. Prefetch
and cache operations are independent features from the standpoint that each is enabled and disabled independently using
the Mode Select command; however, in actual operation, the prefetch feature overlaps cache operation somewhat as
All default cache and prefetch mode parameter values (Mode Page 08h) for standard OEM versions of this drive family are
4.5
CACHE OPERATION
Note. Refer to the SAS Interface Manual for more detail concerning the cache bits.
Of the 64MB physical buffer space in the drive, approximately 30,000KB are available as a data cache. The remaining buffer
space is reserved for internal drive use.
The drive keeps track of the logical block addresses of the data stored in each segment of the buffer. If the cache is enabled
(see RCD bit in the SAS Interface Manual), data requested by the host with a read command is retrieved from the buffer, if
possible, before any disk access is initiated. If cache operation is not enabled, the buffer is still used, but only as circular
buffer segments during disk medium read operations (disregarding Prefetch operation for the moment). That is, the drive
does not check in the buffer segments for the requested read data, but goes directly to the medium to retrieve it. The
retrieved data merely passes through some buffer segment on the way to the host. All data transfers to the host are in
accordance with buffer-full ratio rules. See the explanation provided with the information about Mode Page 02h (disconnect/
reconnect control) in the SAS Interface Manual.
The following is a simplified description of the prefetch/cache operation:
Case A—read command is received and all of the requested logical blocks are already in the cache:
1. Drive transfers the requested logical blocks to the initiator.
Case B—A Read command requests data, and at least one requested logical block is not in any segment of the cache:
1. The drive fetches the requested logical blocks from the disk and transfers them into a segment, and then from there to
the host in accordance with the Mode Select Disconnect/Reconnect parameters, page 02h.
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Each cache segment is actually a self-contained circular buffer whose length is an integer number of logical blocks. The
drive dynamically creates and removes segments based on the workload. The wrap-around capability of the individual
segments greatly enhances the cache’s overall performance.
Note. The size of each segment is not reported by Mode Sense command page 08h, bytes 14 and 15. The value
0XFFFF is always reported regardless of the actual size of the segment. Sending a size specification using the
Mode Select command (bytes 14 and 15) does not set up a new segment size. If the STRICT bit in Mode page
00h (byte 2, bit 1) is set to one, the drive responds as it does for any attempt to change an unchangeable param-
eter.
4.5.1 Caching write data
Write caching is a write operation by the drive that makes use of a drive buffer storage area where the data to be written to
the medium is stored while the drive performs the Write command.
If read caching is enabled (RCD=0), then data written to the medium is retained in the cache to be made available for future
read cache hits. The same buffer space and segmentation is used as set up for read functions. The buffer segmentation
scheme is set up or changed independently, having nothing to do with the state of RCD. When a write command is issued, if
RCD=0, the cache is first checked to see if any logical blocks that are to be written are already stored in the cache from a
previous read or write command. If there are, the respective cache segments are cleared. The new data is cached for
subsequent Read commands.
If the number of write data logical blocks exceed the size of the segment being written into, when the end of the segment is
reached, the data is written into the beginning of the same cache segment, overwriting the data that was written there at the
beginning of the operation; however, the drive does not overwrite data that has not yet been written to the medium.
If write caching is enabled (WCE=1), then the drive may return Good status on a write command after the data has been
transferred into the cache, but before the data has been written to the medium. If an error occurs while writing the data to the
medium, and Good status has already been returned, a deferred error will be generated.
The Synchronize Cache command may be used to force the drive to write all cached write data to the medium. Upon
completion of a Synchronize Cache command, all data received from previous write commands will have been written to the
4.5.2 Prefetch operation
If the Prefetch feature is enabled, data in contiguous logical blocks on the disk immediately beyond that which was requested
by a Read command are retrieved and stored in the buffer for immediate transfer from the buffer to the host on subsequent
Read commands that request those logical blocks (this is true even if cache operation is disabled). Though the prefetch
operation uses the buffer as a cache, finding the requested data in the buffer is a prefetch hit, not a cache operation hit.
To enable Prefetch, use Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - DRA bit). DRA bit = 0 enables prefetch.
The drive does not use the Max Prefetch field (bytes 8 and 9) or the Prefetch Ceiling field (bytes 10 and 11).
When prefetch (read look-ahead) is enabled (enabled by DRA = 0), the drive enables prefetch of contiguous blocks from the
disk when it senses that a prefetch hit will likely occur. The drive disables prefetch when it decides that a prefetch hit is not
likely to occur.
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5.0 RELIABILITY SPECIFICATIONS
The following reliability specifications assume correct host and drive operational interface, including all interface timings,
power supply voltages, environmental requirements and drive mounting constraints.
Seek error rate:
Less than 10 errors in 108 seeks
1
Read Error Rates
Recovered Data
Unrecovered Data
Miscorrected Data
Less than 10 error in 1012 bits transferred (OEM default settings)
Less than 1 sector in 1016 bits transferred
Less than 1 sector in 1021 bits transferred
Less than 1 error in 1012 bits transferred
2,000,000 hours
Interface error rate:
Mean Time Between Failure (MTBF):
Annualized Failure Rate (AFR):
Preventive maintenance:
0.44%
None required
1.
Error rate specified with automatic retries and data correction with ECC enabled and all flaws reallocated.
5.1
ERROR RATES
The error rates stated in this manual assume the following:
• The drive is operated in accordance with this manual using DC power as defined in paragraph 6.3, "DC power require-
• Errors caused by host system failures are excluded from error rate computations.
• Assume random data.
• Default OEM error recovery settings are applied. This includes AWRE, ARRE, full read retries, full write retries and full retry
time.
5.1.1 Recoverable Errors
Recoverable errors are those detected and corrected by the drive, and do not require user intervention.
Recoverable Data errors will use Error Correction when needed.
Recovered Data error rate is determined using read bits transferred for recoverable errors occurring during a read, and using
write bits transferred for recoverable errors occurring during a write.
5.1.2 Unrecoverable Errors
An unrecoverable data error is defined as a failure of the drive to recover data from the media. These errors occur due to
head/media or write problems. Unrecoverable data errors are only detected during read operations, but not caused by the
read. If an unrecoverable data error is detected, a MEDIUM ERROR (03h) in the Sense Key will be reported. Multiple
unrecoverable data errors resulting from the same cause are treated as 1 error.
5.1.3 Seek errors
A seek error is defined as a failure of the drive to position the heads to the addressed track. After detecting an initial seek
error, the drive automatically performs an error recovery process. If the error recovery process fails, a seek positioning error
(Error code = 15h or 02h) will be reported with a Hardware error (04h) in the Sense Key. Recoverable seek errors are
8
specified at Less than 10 errors in 10 seeks. Unrecoverable seek errors (Sense Key = 04h) are classified as drive failures.
5.1.4 Interface errors
An interface error is defined as a failure of the receiver on a port to recover the data as transmitted by the device port
connected to the receiver. The error may be detected as a running disparity error, illegal code, loss of word sync, or CRC
error.
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5.2
RELIABILITY AND SERVICE
The reliability of Seagate Enterprise Performance 10K HDD disk drives can be enhance by ensuring that the drive receives
5.2.1 Annualized Failure Rate (AFR) and Mean Time Between Failure (MTBF)
The production disk drive shall achieve an AFR of 0.44% (MTBF of 2,000,000 hours) when operated in an environment that
ensures the HDA case temperatures do not exceed the values specified in Section 6.5. Operation at case temperatures
outside the specifications in Section 6.5 may increase the product AFR (decrease the MTBF). The AFR (MTBF) is a
population statistic not relevant to individual units.
The AFR (MTBF) specification is based on the following assumptions for Enterprise Storage System environments:
• 8760 power-on hours per year.
• 250 average on/off cycles per year.
• Operations at nominal voltages.
• Systems will provide adequate cooling to ensure the case temperatures specified in Section 6.5 are not exceeded. Tem-
peratures outside the specifications in Section 6.5 will increase the product AFR and decrease the MTBF.
5.2.2 Preventive maintenance
No routine scheduled preventive maintenance is required.
5.2.3 Hot plugging the drive
When a disk is powered on by switching the power or hot plugged, the drive runs a self test before attempting to
communicate on its’ interfaces. When the self test completes successfully, the drive initiates a Link Reset starting with OOB.
An attached device should respond to the link reset. If the link reset attempt fails, or any time the drive looses sync, the drive
initiated link reset. The drive will initiate link reset once per second but alternates between port A and B. Therefore each port
will attempt a link reset once per 2 seconds assuming both ports are out of sync.
If the self-test fails, the drive does not respond to link reset on the failing port.
Note. It is the responsibility of the systems integrator to assure that no temperature, energy, voltage hazard, or ESD
potential hazard is presented during the hot connect/disconnect operation. Discharge the static electricity from
the drive carrier prior to inserting it into the system.
Caution. The drive motor must come to a complete stop prior to changing the plane of operation. This time is required to
insure data integrity.
5.2.4 S.M.A.R.T.
S.M.A.R.T. is an acronym for Self-Monitoring Analysis and Reporting Technology. This technology is intended to recognize
conditions that indicate imminent drive failure and is designed to provide sufficient warning of a failure to allow an application
to back up the data before an actual failure occurs.
Note. The drive’s firmware monitors specific attributes for degradation over time but can’t predict instantaneous drive
failures.
Each monitored attribute has been selected to monitor a specific set of failure conditions in the operating performance of the
drive and the thresholds are optimized to minimize “false” and “failed” predictions.
Controlling S.M.A.R.T.
The operating mode of S.M.A.R.T. is controlled by the DEXCPT and PERF bits on the Informational Exceptions Control
mode page (1Ch). Use the DEXCPT bit to enable or disable the S.M.A.R.T. feature. Setting the DEXCPT bit disables all
S.M.A.R.T. functions. When enabled, S.M.A.R.T. collects on-line data as the drive performs normal read and write
operations. When the PERF bit is set, the drive is considered to be in “On-line Mode Only” and will not perform off-line
functions.
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Applications can measure off-line attributes and force the drive to save the data by using the Rezero Unit command. Forcing
S.M.A.R.T. resets the timer so that the next scheduled interrupt is in one hour.
Applications can interrogate the drive through the host to determine the time remaining before the next scheduled
measurement and data logging process occurs. To accomplish this, issue a Log Sense command to log page 0x3E. This
allows applications to control when S.M.A.R.T. interruptions occur. Forcing S.M.A.R.T. with the RTZ command resets the
timer.
Performance impact
S.M.A.R.T. attribute data is saved to the disk so that the events that caused a predictive failure can be recreated. The drive
measures and saves parameters once every hour subject to an idle period on the drive interfaces. The process of measuring
off-line attribute data and saving data to the disk is interruptable. The maximum on-line only processing delay is summarized
below
Maximum processing delay
Fully-enabled delay
DEXCPT = 0
S.M.A.R.T. delay times
75 ms
Reporting control
Reporting is controlled by the MRIE bits in the Informational Exceptions Control mode page (1Ch). Subject to the reporting
method. For example, if the MRIE is set to one, the firmware will issue to the host an 01-5D00 sense code. The FRU field
contains the type of predictive failure that occurred. The error code is preserved through bus resets and power cycles.
Determining rate
S.M.A.R.T. monitors the rate at which errors occur and signals a predictive failure if the rate of degraded errors increases to
an unacceptable level. To determine rate, error events are logged and compared to the number of total operations for a given
attribute. The interval defines the number of operations over which to measure the rate. The counter that keeps track of the
current number of operations is referred to as the Interval Counter.
S.M.A.R.T. measures error rates. All errors for each monitored attribute are recorded. A counter keeps track of the number of
errors for the current interval. This counter is referred to as the Failure Counter.
Error rate is the number of errors per operation. The algorithm that S.M.A.R.T. uses to record rates of error is to set
thresholds for the number of errors and their interval. If the number of errors exceeds the threshold before the interval
expires, the error rate is considered to be unacceptable. If the number of errors does not exceed the threshold before the
interval expires, the error rate is considered to be acceptable. In either case, the interval and failure counters are reset and
the process starts over.
Predictive failures
S.M.A.R.T. signals predictive failures when the drive is performing unacceptably for a period of time. The firmware keeps a
running count of the number of times the error rate for each attribute is unacceptable. To accomplish this, a counter is
incremented each time the error rate is unacceptable and decremented (not to exceed zero) whenever the error rate is
acceptable. If the counter continually increments such that it reaches the predictive threshold, a predictive failure is signaled.
This counter is referred to as the Failure History Counter. There is a separate Failure History Counter for each attribute.
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5.2.5 Thermal monitor
Seagate Enterprise Performance 10K HDD drives implement a temperature warning system which:
1. Signals the host if the temperature exceeds a value which would threaten the drive.
2. Saves a S.M.A.R.T. data frame on the drive which exceeds the threatening temperature value.
A temperature sensor monitors the drive temperature and issues a warning over the interface when the temperature
exceeds a set threshold. The temperature is measured at power-up and then at ten-minute intervals after power-up.
The thermal monitor system generates a warning code of 01-0B01 when the temperature exceeds the specified limit in
compliance with the SCSI standard.
This feature is controlled by the Enable Warning (EWasc) bit, and the reporting mechanism is controlled by the Method of
Reporting Informational Exceptions field (MRIE) on the Informational Exceptions Control (IEC) mode page (1Ch).
5.2.6 Drive Self Test (DST)
Drive Self Test (DST) is a technology designed to recognize drive fault conditions that qualify the drive as a failed unit. DST
validates the functionality of the drive at a system level.
There are two test coverage options implemented in DST:
1. Extended test
2. Short test
The most thorough option is the extended test that performs various tests on the drive and scans every logical block address
(LBA) of the drive. The short test is time-restricted and limited in length—it does not scan the entire media surface, but does
some fundamental tests and scans portions of the media.
If DST encounters an error during either of these tests, it reports a fault condition. If the drive fails the test, remove it from
service and return it to Seagate for service.
5.2.6.1 DST failure definition
The drive will present a “diagnostic failed” condition through the self-tests results value of the diagnostic log page if a
functional failure is encountered during DST. The channel and servo parameters are not modified to test the drive more
stringently, and the number of retries are not reduced. All retries and recovery processes are enabled during the test. If data
is recoverable, no failure condition will be reported regardless of the number of retries required to recover the data.
The following conditions are considered DST failure conditions:
• Seek error after retries are exhausted
• Track-follow error after retries are exhausted
• Read error after retries are exhausted
• Write error after retries are exhausted
Recovered errors will not be reported as diagnostic failures.
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5.2.6.2 Implementation
This section provides all of the information necessary to implement the DST function on this drive.
5.2.6.2.1
State of the drive prior to testing
The drive must be in a ready state before issuing the Send Diagnostic command. There are multiple reasons why a drive
may not be ready, some of which are valid conditions, and not errors. For example, a drive may be in process of doing a
format, or another DST. It is the responsibility of the host application to determine the “not ready” cause.
While not technically part of DST, a Not Ready condition also qualifies the drive to be returned to Seagate as a failed drive.
A Drive Not Ready condition is reported by the drive under the following conditions:
• Motor will not spin
• Motor will not lock to speed
• Servo will not lock on track
• Drive cannot read configuration tables from the disk
In these conditions, the drive responds to a Test Unit Ready command with an 02/04/00 or 02/04/03 code.
5.2.6.2.2
Invoking DST
To invoke DST, submit the Send Diagnostic command with the appropriate Function Code (001b for the short test or 010b for
the extended test) in bytes 1, bits 5, 6, and 7.
5.2.6.2.3
Short and extended tests
DST has two testing options:
1. short
2. extended
These testing options are described in the following two subsections.
Each test consists of three segments: an electrical test segment, a servo test segment, and a read/verify scan segment.
Short test (Function Code: 001b)
The purpose of the short test is to provide a time-limited test that tests as much of the drive as possible within 120 seconds.
The short test does not scan the entire media surface, but does some fundamental tests and scans portions of the media. A
complete read/verify scan is not performed and only factual failures will report a fault condition. This option provides a quick
confidence test of the drive.
Extended test (Function Code: 010b)
The objective of the extended test option is to empirically test critical drive components. For example, the seek tests and on-
track operations test the positioning mechanism. The read operation tests the read head element and the media surface.
The write element is tested through read/write/read operations. The integrity of the media is checked through a read/verify
scan of the media. Motor functionality is tested by default as a part of these tests.
The anticipated length of the Extended test is reported through the Control Mode page.
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5.2.6.2.4
Log page entries
When the drive begins DST, it creates a new entry in the Self-test Results Log page. The new entry is created by inserting a
new self-test parameter block at the beginning of the self-test results log parameter section of the log page. Existing data will
be moved to make room for the new parameter block. The drive reports 20 parameter blocks in the log page. If there are
more than 20 parameter blocks, the least recent parameter block will be deleted. The new parameter block will be initialized
as follows:
1. The Function Code field is set to the same value as sent in the DST command
2. The Self-Test Results Value field is set to Fh
3. The drive will store the log page to non-volatile memory
After a self-test is complete or has been aborted, the drive updates the Self-Test Results Value field in its Self-Test Results
Log page in non-volatile memory. The host may use Log Sense to read the results from up to the last 20 self-tests performed
by the drive. The self-test results value is a 4-bit field that reports the results of the test. If the field is set to zero, the drive
passed with no errors detected by the DST. If the field is not set to zero, the test failed for the reason reported in the field.
The drive will report the failure condition and LBA (if applicable) in the Self-test Results Log parameter. The Sense key, ASC,
ASCQ, and FRU are used to report the failure condition.
5.2.6.2.5
Abort
There are multiple ways to abort a diagnostic. Two examples are: using a SCSI Bus Reset or a Bus Device message to abort
the diagnostic
To abort a DST executing in background mode, use the abort code in the DST Function Code field. This will cause a 01 (self-
test aborted by the application client) code to appear in the self-test results values log. All other abort mechanisms will be
reported as a 02 (self-test routine was interrupted by a reset condition).
5.2.7 Product warranty
Shipping
When transporting or shipping a drive, use only a Seagate-approved container. Keep the original box. Seagate approved
containers are easily identified by the Seagate Approved Package label. Shipping a drive in a non-approved container voids
the drive warranty.
Seagate repair centers may refuse receipt of components improperly packaged or obviously damaged in transit. Contact an
authorized Seagate distributor to purchase additional boxes. Seagate recommends shipping by an air-ride carrier
experienced in handling computer equipment.
Storage
The maximum recommended storage period for the drive in a non-operational environment is 90 days. Drives should be
stored in the original unopened Seagate shipping packaging when ever possible. Once the drive is removed from the
Seagate original packaging the recommended maximum period between drive operation cycles is 30 days. During any
storage period the drive non-operational temperature, humidity, wet bulb, atmospheric conditions, shock, vibration, magnetic
and electrical field specifications should be followed.
Product repair and return information
Seagate customer service centers are the only facilities authorized to service Seagate drives. Seagate does not sanction
any third-party repair facilities. Any unauthorized repair or tampering with the factory seal voids the warranty.
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6.0 PHYSICAL/ELECTRICAL SPECIFICATIONS
This section provides information relating to the physical and electrical characteristics of the drive.
6.1
POWERCHOICETM POWER MANAGEMENT
Drives using the load/unload architecture provide programmable power management to tailor systems for performance and
greater energy efficiency.
The table below lists the supported PowerChoice modes. The further down in the table, the more power savings can be
realized. For example, Idle_B mode results in greater power savings than Idle_A mode. Standby modes results in the
greatest power savings.
PowerChoice modes
Mode
Description
Idle_A
Reduced electronics
Idle_B
Heads unloaded. Disks spinning at full RPM
Heads unloaded. Disks spinning at reduced RPM
Heads unloaded. Disks spinning at reduced RPM
Heads unloaded. Motor stopped (disks not spinning)
Idle_C
Standby_Y
Standby_Z
PowerChoiceTM can be invoked using one of these two methods:
• Power Condition mode page method—Enable and initialize the idle condition timers and/or the standby condition timers.
The timer values are based on the values set in the Power Condition mode page.
• START STOP UNIT command method—Use the START STOP UNIT command (OPERATION CODE 1Bh). This allows
the host to directly transition the drive to any supported PowerChoice mode.
If both the Power Condition mode page and START STOP UNIT command methods are used, the START STOP UNIT
command request takes precedence over the Power Condition mode page power control and may disable the idle condition
and standby condition timers. The REQUEST SENSE command reports the current PowerChoice state if active and also the
method by which the drive entered the PowerChoice state.
When the drive receives a command, all power condition timers are suspended if they were enabled via the Power Condition
mode page. Once all outstanding commands are processed, the power condition timers are reinitialized to the values defined
in the Power Condition mode page.
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6.1.1 PowerChoice reporting methods
PowerChoiceTM provides these reporting methods for tracking purposes:
Request Sense command reports
• Current power condition
• Method of entry
Note. Processing the Request Sense command does not impact the drive’s power save state.
Mode Sense command reports (mode page 0x1A)
• Idle conditions enabled / disabled
• Idle condition timer values (100ms increments) (default, saved, current, changeable)
Power Condition Vital Product Data (VPD) Page (VPD page 0x8A)
• Supported power conditions
• Typical recovery time from power conditions (1ms increments)
Start/Stop Cycle Counter Log Page reports (log page 0x0E)
• Specified and accumulated Start/Stops and Load/Unload cycles
Power Condition Transitions Log Page reports (log page 0x1A, subpage 0x00)
• Accumulated transitions to Active, Idle_A, Idle_B, Idle_C, Standby_Y, Standby_Z
6.2
AC POWER REQUIREMENTS
None.
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6.3
DC POWER REQUIREMENTS
The voltage and current requirements for a single drive are shown below. Values indicated apply at the drive connector.
The standard drive models and the SED drive models have identical hardware, however the security and encryption portion
of the drive controller ASIC is enabled and functional in the SED models. This represents a small additional drain on the 5V
supply of about 30mA and a commensurate increase of about 150mW in power consumption. There is no additional drain on
the 12V supply.
Table 1 1200GB standard drive DC power requirements
3.0Gb mode
6.0Gb mode
Notes
(Amps)
(Amps)
+12V [2]
±5% [2]
0.25
(Amps)
(Amps)
+12V [2]
±5% [2]
0.25
Voltage
+5V
±5%
0.32
+5V
±5%
0.33
Regulation
[5]
Avg idle current DC
Advanced Idle Current
Idle_A
[1] [7]
3s
3s
3s
3s
0.37
0.28
0.27
0.26
0.26
0.21
0.07
0.01
0.37
0.28
0.28
0.26
0.26
0.22
0.07
0.01
Idle_B
Idle_C
Standby
Maximum starting current
(peak DC) DC
3s
3s
0.68
1.02
0.26
0.85
1.60
0.01
0.67
0.85
0.27
0.85
1.52
0.01
(peak AC) AC
Delayed motor start (max) DC
Peak operating current (random read):
Typical DC
3s [1] [4]
0.38
0.43
1.57
0.51
0.53
1.52
0.38
0.42
1.62
0.51
0.53
1.51
Maximum DC
3s
3s
[1]
Maximum (peak) DC
Peak operating current (random write)
Typical DC
[1]
[1]
0.39
0.44
0.90
0.49
0.53
1.53
0.40
0.44
1.86
0.49
0.54
1.55
Maximum DC
3s
3s
Maximum (peak) DC
Peak operating current (sequential read)
Typical DC
[1]
[1]
0.73
0.81
1.00
0.27
0.29
0.62
0.74
0.80
1.01
0.27
0.29
0.61
Maximum DC
3s
3s
Maximum (peak) DC
Peak operating current (sequential write)
Typical DC
[1]
[1]
0.57
0.64
0.75
0.31
0.33
0.66
0.58
0.63
0.79
0.31
0.34
0.67
Maximum DC
3s
3s
Maximum (peak) DC
[1] Measured with average reading DC ammeter. Instantaneous +12V current peaks will exceed these values. Power supply at nominal
voltage. N (number of drives tested) = 6, 35 Degrees C ambient.
[2] For +12 V, a –10% tolerance is allowed during initial spindle start but must return to ±5% before reaching 9,936 RPM. The ±5% must
be maintained after the drive signifies that its power-up sequence has been completed and that the drive is able to accept selection
by the host initiator.
[4] This condition occurs after OOB and Speed Negotiation completes but before the drive has received the Notify Spinup primitive.
[5] See paragraph 6.3.1, "Conducted noise immunity." Specified voltage tolerance includes, noise, and transient response.
[6] Operating condition is defined as random 8 block reads.
[7] During idle, the drive heads are relocated every 30 seconds to a random location within the band from three-quarters to maximum
track.
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General DC power requirement notes.
1. Minimum current loading for each supply voltage is not less than 1.7% of the maximum operating current shown.
2. The +5V and +12V supplies should employ separate ground returns.
3. Where power is provided to multiple drives from a common supply, careful consideration for individual drive power
requirements should be noted. Where multiple units are powered on simultaneously, the peak starting current must be
available to each device.
4. Parameters, other than spindle start, are measured after a 10-minute warm up.
5. No terminator power.
6.3.1 Conducted noise immunity
Noise is specified as a periodic and random distribution of frequencies covering a defined frequency range. Maximum
allowed noise values given below are peak-to-peak measurements and apply at the drive power connector.
+5v
=
=
250 mV pp from 100 Hz to 20 MHz.
+12v
450 mV pp from 100 Hz to 100 KHz.
250 mV pp from 100 KHz to 20 MHz.
150 mV pp from 20 MHz to 80 MHz.
6.3.2 Power sequencing
The drive does not require power sequencing. The drive protects against inadvertent writing during power-up and down.
6.3.3 Current profiles
The +12V and +5V current profiles for the Seagate Enterprise Performance 10K HDD drives are shown below.
Figure 1.
Current profiles for 1200GB models
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6.4
POWER DISSIPATION
1200 GB models in 3Gb operation
Typical power dissipation under idle conditions in 3Gb operation is 4.59 watts 15.66 BTUs per hour).
I/O rate for a drive in the system on the horizontal axis and read the corresponding +5 volt current, +12 volt current, and total watts
on the vertical axis. To calculate BTUs per hour, multiply watts by 3.4123.
Figure 2.
1200GB (at 3Gb) DC current and power vs. input/output operations per second
1200GB models in 6Gb operation
Typical power dissipation under idle conditions in 6Gb operation is 4.63 watts 15.78 BTUs per hour).
I/O rate for a drive in the system on the horizontal axis and read the corresponding +5 volt current, +12 volt current, and total watts
on the vertical axis. To calculate BTUs per hour, multiply watts by 3.4123.
Figure 3.
1200GB (at 6Gb) DC current and power vs. input/output operations per second
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6.5
ENVIRONMENTAL LIMITS
Temperature and humidity values experienced by the drive must be such that condensation does not occur on any drive part.
Altitude and atmospheric pressure specifications are referenced to a standard day at 58.7°F (14.8°C). Maximum wet bulb
temperature is 84.2°F (29°C).
Note. To maintain optimal performance drives should be run at nominal case temperatures.
6.5.1 Temperature
a. Operating
The drive meets the operating specifications over a 41°F to 131°F (5°C to 55°C) drive case temperature range with a
maximum temperature gradient of 36°F (20°C) per hour.
The maximum allowable drive case temperature is 140°F (60°C).
The MTBF specification for the drive assumes the operating environment is designed to maintain nominal case tempera-
ture. The rated MTBF is based upon a sustained case temperature of 122°F (50°C). Occasional excursions in operating
temperature between the rated MTBF temperature and the maximum drive operating case temperature may occur with-
out impact to the rated MTBF. However continual or sustained operation at case temperatures beyond the rated MTBF
temperature will degrade the drive MTBF and reduce product reliability.
Air flow may be required to achieve consistent nominal case temperature values (see Section 9.2). To confirm that the
required cooling is provided for the electronics and HDA, place the drive in its final mechanical configuration, and perform
random write/read operations. After the temperatures stabilize, measure the case temperature of the drive. See Figure 4
for HDA temperature checkpoint.
b. Non-operating
–40° to 158°F (–40° to 70°C) package ambient with a maximum gradient of 36°F (20°C) per hour. This specification
assumes that the drive is packaged in the shipping container designed by Seagate for use with drive.
HDA Temp
Check Point
Figure 4.
Location of the HDA temperature check point
Note. Image is for reference only, may not represent actual drive.
6.5.2 Relative humidity
The values below assume that no condensation on the drive occurs.
a. Operating
5% to 95% non-condensing relative humidity with a maximum gradient of 20% per hour.
b. Non-operating
5% to 95% non-condensing relative humidity with a maximum gradient of 20% per hour.
6.5.3 Effective altitude (sea level)
a. Operating
–1000 to +10,000 feet (–304.8 to +3048 meters)
b. Non-operating
–1000 to +40,000 feet (–304.8 to +12,192 meters)
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6.5.4 Shock and vibration
Shock and vibration limits specified in this document are measured directly on the drive chassis. If the drive is installed in an
enclosure to which the stated shock and/or vibration criteria is applied, resonances may occur internally to the enclosure
resulting in drive movement in excess of the stated limits. If this situation is apparent, it may be necessary to modify the
enclosure to minimize drive movement.
The limits of shock and vibration defined within this document are specified with the drive mounted by any of the four
6.5.4.1 Shock
a. Operating—normal
The drive, as installed for normal operation, shall operate error free while subjected to intermittent shock not exceeding:
• 40 Gs at a maximum duration of 11ms (half sinewave)
• 25 Gs at a maximum duration of 2ms (half sinewave)
Shock may be applied in the X, Y, or Z axis. Shock is not to be repeated more than once every 2 seconds.
b. Non-operating
The limits of non-operating shock shall apply to all conditions of handling and transportation. This includes both isolated
drives and integrated drives.
The drive subjected to nonrepetitive shock not exceeding the three values below, shall not exhibit device damage or per-
formance degradation.
• 80 Gs at a maximum duration of 11ms (half sinewave)
• 400 Gs at a maximum duration of 2ms (half sinewave)
• 300 Gs at a maximum duration of 0.5ms (half sinewave)
Shock may be applied in the X, Y, or Z axis.
c. Packaged
Seagate finished drive bulk packs are designed and tested to meet or exceed applicable ISTA and ASTM standards. Vol-
ume finished drives will be shipped from Seagate factories on pallets to minimize freight costs and ease material han-
dling. Seagate finished drive bulk packs may be shipped individually. For less than full shipments, instructions are printed
on the bulk pack carton for minimum drive quantities and proper drive placement.
Figure 5.
Recommended mounting
Note. Image is for reference only, may not represent actual drive.
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6.5.4.2 Vibration
a. Operating—normal
The drive as installed for normal operation, shall comply with the complete specified performance while subjected to con-
tinuous vibration not exceeding
5-500 Hz @ 0.5 G (zero to peak)
Vibration may be applied in the X, Y, or Z axis.
Operating normal translational random flat profile
10 - 500 Hz (translational random flat profile)
b. Non-operating
0.5 GRMS
The limits of non-operating vibration shall apply to all conditions of handling and transportation. This includes both iso-
lated drives and integrated drives.
The drive shall not incur physical damage or degraded performance as a result of continuous vibration not exceeding
5-500 Hz @ 3.0 G (zero to peak)
Vibration may be applied in the X, Y, or Z axis.
Non-operating translational random flat profile
10 - 500 Hz (translational random flat profile)
2.4 GRMS
6.5.5 Air cleanliness
The drive is designed to operate in a typical office environment with minimal environmental control.
6.5.6 Corrosive environment
Seagate electronic drive components pass accelerated corrosion testing equivalent to 10 years exposure to light industrial
environments containing sulfurous gases, chlorine and nitric oxide, classes G and H per ASTM B845. However, this
accelerated testing cannot duplicate every potential application environment.
Users should use caution exposing any electronic components to uncontrolled chemical pollutants and corrosive chemicals
as electronic drive component reliability can be affected by the installation environment. The silver, copper, nickel and gold
films used in Seagate products are especially sensitive to the presence of sulfide, chloride, and nitrate contaminants. Sulfur
is found to be the most damaging. In addition, electronic components should never be exposed to condensing water on the
surface of the printed circuit board assembly (PCBA) or exposed to an ambient relative humidity greater than 95%. Materials
used in cabinet fabrication, such as vulcanized rubber, that can outgas corrosive compounds should be minimized or
eliminated. The useful life of any electronic equipment may be extended by replacing materials near circuitry with sulfide-free
alternatives.
6.5.7 Acoustics
Sound power during idle mode shall be 3.1 bels typical when measured to ISO 7779 specification.
There will not be any discrete tones more than 9 dB above the masking noise on typical drives when measured according to
Seagate specification 30553-001. There will not be any tones more than 24 dB above the masking noise on any drive.
6.5.8 Electromagnetic susceptibility
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7.0 ABOUT FIPS
The Federal Information Processing Standard (FIPS) Publication 140-2 is a U.S. Government Computer Security Standard
used to accredit cryptographic modules. It is titled 'Security Requirements for Cryptographic Modules (FIPS PUB 140-2)' and
is issued by the National Institute of Standards and Technology (NIST).
Purpose
This standard specifies the security requirements that will be satisfied by a cryptographic module utilized within a security
system protecting sensitive but unclassified information. The standard provides four increasing, qualitative levels of security:
Level 1, Level 2, Level 3 and Level 4. These levels are intended to cover the wide range of potential applications and
environments in which cryptographic modules may be employed.
Validation Program
Products that claim conformance to this standard are validated by the Cryptographic Module Validation Program (CMVP)
which is a joint effort between National Institute of Standards and Technology (NIST) and the Communications Security
Establishment (CSE) of the Government of Canada. Products validated as conforming to FIPS 140-2 are accepted by the
Federal agencies of both countries for the protection of sensitive information (United States) or Designated Information
(Canada).
In the CMVP, vendors of cryptographic modules use independent, accredited testing laboratories to have their modules
tested. National Voluntary Laboratory Accreditation Program (NVLAP) accredited laboratories perform cryptographic module
compliance/conformance testing.
Seagate Enterprise SED
accredited lab to satisfy FIPS 140-2 Level 2 requirements. In order to operate in FIPS Approved Mode of Operation, these
uploaded on the NIST website. To reference the product certification visit - http://csrc.nist.gov/groups/STM/cmvp/documents/
140-1/1401vend.htm, and search for “Seagate”.
Security Level 2
Security Level 2 enhances the physical security mechanisms of a Security Level 1 cryptographic module by adding the
requirement for tamper-evidence, which includes the use of tamper-evident coatings or seals on removable covers of the
module. Tamper-evident coatings or seals are placed on a cryptographic module so that the coating or seal must be bro-
ken to attain physical access to the critical security parameters (CSP) within the module. Tamper-evident seals (example
shown in Figure 7, page 27) are placed on covers to protect against unauthorized physical access. In addition Security
Level 2 requires, at a minimum, role-based authentication in which a cryptographic module authenticates the authorization
of an operator to assume a specific role and perform a corresponding set of services.
Figure 7. Example of FIPS tamper evidence labels.
Note. Image is for reference only, may not represent actual drive.
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8.0 ABOUT SELF-ENCRYPTING DRIVES
Self-encrypting drives (SEDs) offer encryption and security services for the protection of stored data, commonly known as
“protection of data at rest.” These drives are compliant with the Trusted Computing Group (TCG) Enterprise Storage
The Trusted Computing Group (TCG) is an organization sponsored and operated by companies in the computer, storage
and digital communications industry. Seagate’s SED models comply with the standards published by the TCG.
To use the security features in the drive, the host must be capable of constructing and issuing the following two SCSI
commands:
• Security Protocol Out
• Security Protocol In
These commands are used to convey the TCG protocol to and from the drive in their command payloads.
8.1
DATA ENCRYPTION
Encrypting drives use one inline encryption engine for each port, employing AES-256 data encryption in Cipher Block
Chaining (CBC) mode to encrypt all data prior to being written on the media and to decrypt all data as it is read from the
media. The encryption engines are always in operation and cannot be disabled.
The 32-byte Data Encryption Key (DEK) is a random number which is generated by the drive, never leaves the drive, and is
inaccessible to the host system. The DEK is itself encrypted when it is stored on the media and when it is in volatile
temporary storage (DRAM) external to the encryption engine. A unique data encryption key is used for each of the drive's
8.2
CONTROLLED ACCESS
The drive has two security providers (SPs) called the "Admin SP" and the "Locking SP." These act as gatekeepers to the
drive security services. Security-related commands will not be accepted unless they also supply the correct credentials to
prove the requester is authorized to perform the command.
8.2.1 Admin SP
Admin SP is available using the SID (Secure ID) password or the MSID (Manufacturers Secure ID) password.
8.2.2 Locking SP
The Locking SP controls read/write access to the media and the cryptographic erase feature. Access to the Locking SP is
available using the BandMasterX or EraseMaster passwords. Since the drive owner can define up to 16 data bands on the
drive, each data band has its own password called BandMasterX where X is the number of the data band (0 through 15).
8.2.3 Default password
When the drive is shipped from the factory, all passwords are set to the value of MSID. This 32-byte random value can only
be read by the host electronically over the interface. After receipt of the drive, it is the responsibility of the owner to use the
default MSID password as the authority to change all other passwords to unique owner-specified values.
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8.3
RANDOM NUMBER GENERATOR (RNG)
The drive has a 32-byte hardware RNG that it is uses to derive encryption keys or, if requested to do so, to provide random
numbers to the host for system use, including using these numbers as Authentication Keys (passwords) for the drive’s
Admin and Locking SPs.
8.4
DRIVE LOCKING
the individual bands.
The variable "LockOnReset" should be set to "PowerCycle" to ensure that the data bands will be locked if power is lost. In
addition "ReadLockEnabled" and "WriteLockEnabled" must be set to true in the locking table in order for the bands
"LockOnReset" setting of "PowerCycle" to actually lock access to the band when a "PowerCycle" event occurs. This
scenario occurs if the drive is removed from its cabinet. The drive will not honor any data read or write requests until the
bands have been unlocked. This prevents the user data from being accessed without the appropriate credentials when the
drive has been removed from its cabinet and installed in another system.
When the drive is shipped from the factory, the firmware download port is unlocked.
8.5
DATA BANDS
When shipped from the factory, the drive is configured with a single data band called Band 0 (also known as the Global Data
Band) which comprises LBA 0 through LBA max. The host may allocate Band1 by specifying a start LBA and an LBA range.
The real estate for this band is taken from the Global Band. An additional 14 Data Bands may be defined in a similar way
(Band2 through Band15) but before these bands can be allocated LBA space, they must first be individually enabled using
the EraseMaster password.
Data bands cannot overlap but they can be sequential with one band ending at LBA (x) and the next beginning at LBA (x+1).
Each data band has its own drive-generated encryption key and its own user-supplied password. The host may change the
8.6
CRYPTOGRAPHIC ERASE
A significant feature of SEDs is the ability to perform a cryptographic erase. This involves the host telling the drive to change
the data encryption key for a particular band. Once changed, the data is no longer recoverable since it was written with one
key and will be read using a different key. Since the drive overwrites the old key with the new one, and keeps no history of
key changes, the user data can never be recovered. This is tantamount to an instantaneous data erase and is very useful if
the drive is to be scrapped or redispositioned.
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8.7
AUTHENTICATED FIRMWARE DOWNLOAD
In addition to providing a locking mechanism to prevent unwanted firmware download attempts, the drive also only accepts
download files which have been cryptographically signed by the appropriate Seagate Design Center.
Three conditions must be met before the drive will allow the download operation:
1. The download must be an SED file. A standard (base) drive (non-SED) file will be rejected.
2. The download file must be signed and authenticated.
3. As with a non-SED drive, the download file must pass the acceptance criteria for the drive. For example it must be appli-
cable to the correct drive model, and have compatible revision and customer status.
8.8
POWER REQUIREMENTS
The standard drive models and the SED drive models have identical hardware, however the security and encryption portion
of the drive controller ASIC is enabled and functional in the SED models. This represents a small additional drain on the 5V
supply of about 30mA and a commensurate increase of about 150mW in power consumption. There is no additional drain on
8.9
SUPPORTED COMMANDS
The SED models support the following two commands in addition to the commands supported by the standard (non-SED)
• Security Protocol Out (B5h)
• Security Protocol In (A2h)
8.10 SANITIZE - CRYPTOGRAPHIC ERASE
This command cryptographically erases all user data on the drive by destroying the current data encryption key and
replacing it with a new data encryption key randomly generated by the drive. Sanitize CRYPTOGRAPHIC ERASE is a SCSI
CDB Op code 48h and selecting the service action code 3 (CRYPTOGRAPHIC ERASE)
8.11 REVERTSP
The SED models will support the RevertSP feature which erases all data in all bands on the device and returns the contents
of all SPs (Security Providers) on the device to their original factory state. In order to execute the RevertSP method the
unique PSID (Physical Secure ID) printed on the drive label must be provided. PSID is not electronically accessible and can
only be manually read from the drive label or scanned in via the 2D barcode.
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9.0 DEFECT AND ERROR MANAGEMENT
Seagate continues to use innovative technologies to manage defects and errors. These technologies are designed to
increase data integrity, perform drive self-maintenance, and validate proper drive operation.
SCSI defect and error management involves drive internal defect/error management and SAS system error considerations
(errors in communications between the initiator and the drive). In addition, Seagate provides the following technologies used
to increase data integrity and drive reliability:
The read error rates and specified storage capacities are not dependent on host (initiator) defect management routines.
9.1
DRIVE INTERNAL DEFECTS/ERRORS
During the initial drive format operation at the factory, media defects are identified, tagged as being unusable, and their
locations recorded on the drive primary defects list (referred to as the “P’ list and also as the ETF defect list). At factory
format time, these known defects are also reallocated, that is, reassigned to a new place on the medium and the location
listed in the defects reallocation table. The “P” list is not altered after factory formatting. Locations of defects found and
reallocated during error recovery procedures after drive shipment are listed in the “G” list (defects growth list). The “P” and
“G” lists may be referenced by the initiator using the Read Defect Data command.
Details of the SCSI commands supported by the drive are described in the SAS Interface Manual. Also, more information on
the drive Error Recovery philosophy is presented in the SAS Interface Manual.
9.2
DRIVE ERROR RECOVERY PROCEDURES
When an error occurs during drive operation, the drive, if programmed to do so, performs error recovery procedures to
attempt to recover the data. The error recovery procedures used depend on the options previously set in the Error Recovery
Parameters mode page. Error recovery and defect management may involve using several SCSI commands described in
the SCSI Interface Manual. The drive implements selectable error recovery time limits required in video applications.
The error recovery scheme supported by the drive provides a way to control the total error recovery time for the entire
command in addition to controlling the recovery level for a single LBA. The total amount of time spent in error recovery for a
command can be limited using the Recovery Time Limit bytes in the Error Recovery mode page. The total amount of time
spent in error recovery for a single LBA can be limited using the Read Retry Count or Write Retry Count bytes in the Error
Recovery mode page.
The drive firmware error recovery algorithms consist of 20 levels for read recoveries and six levels for write. Each level may
consist of multiple steps, where a step is defined as a recovery function involving a single re-read or re-write attempt. The
maximum level used by the drive in LBA recovery is determined by the read and write retry counts.
Table 2 equates the read and write retry count with the maximum possible recovery time for read and write recovery of
individual LBAs. The times given do not include time taken to perform reallocations. Reallocations are performed when the
ARRE bit (for reads) or AWRE bit (for writes) is one, the RC bit is zero, and the recovery time limit for the command has not
yet been met. Time needed to perform reallocation is not counted against the recovery time limit.
When the RC bit is one, reallocations are disabled even if the ARRE or AWRE bits are one. The drive will still perform data
recovery actions within the limits defined by the Read Retry Count, Write Retry Count, and Recovery Time Limit parameters.
However, the drive does not report any unrecovered errors.
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Table 2 Read and write retry count maximum recovery times
Maximum recovery time per LBA
(cumulative, ms)
Maximum recovery time per LBA
(cumulative, ms)
Read retry count*
Write retry count
0
35.94
53.91
79.89
97.86
175.85
421.79
1
124.32
1
5
621.62
2
10
1243.23
1864.85
2486.47
3
15
4
20 (default)
5 (default)
* For read retry count, every tick ~ 5% of total error recovery. Valid range setting is 1-20.
e.g. 1 ~ 5%
5 ~ 25%
20 ~ 100%
Setting these retry counts to a value below the default setting could result in degradation of the unrecovered error rate. For
example, suppose the read/write recovery page has the RC bit = 0 and if the read retry count is set to 5, this means ~ 25% of
error recovery will be executed which consumes 621.62 ms (please refer to the table above). If the limit is reached and a
LBA has not yet been recovered (i.e. requires retries beyond 621.62 ms), the command will end with Check Condition status
report and unrecoverable read error will be reported.
9.3
SAS SYSTEM ERRORS
Information on the reporting of operational errors or faults across the interface is given in the SAS Interface Manual. The
SSP Response returns information to the host about numerous kinds of errors or faults. The Receive Diagnostic Results
reports the results of diagnostic operations performed by the drive.
Status returned by the drive to the initiator is described in the SAS Interface Manual. Status reporting plays a role in systems
error management and its use in that respect is described in sections where the various commands are discussed.
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9.4
BACKGROUND MEDIA SCAN
Background Media Scan (BMS) is a self-initiated media scan. BMS is defined in the T10 document SPC-4 available from the
T10 committee. BMS performs sequential reads across the entire pack of the media while the drive is idle. In RAID arrays,
BMS allows hot spare drives to be scanned for defects prior to being put into service by the host system. On regular duty
drives, if the host system makes use of the BMS Log Page, it can avoid placing data in suspect locations on the media.
Unreadable and recovered error sites will be logged or reallocated per ARRE/AWRE settings.
With BMS, the host system can consume less power and system overhead by only checking BMS status and results rather
than tying up the bus and consuming power in the process of host-initiated media scanning activity.
Since the background scan functions are only done during idle periods, BMS causes a negligible impact to system
performance. The first BMS scan for a newly manufactured drive is performed as quickly as possible to verify the media and
protect data by setting the “Start time after idle” to 5ms, all subsequent scans begin after 500ms of idle time. Other features
that normally use idle time to function will function normally because BMS functions for limited time bursts then suspends
activity to allow other background functions to operate.
BMS interrupts immediately to service host commands from the interface bus while performing reads. BMS will complete any
BMS-initiated error recovery prior to returning to service host-initiated commands. Overhead associated with a return to host-
servicing activity from BMS only impacts the first command that interrupted BMS, this results in a typical delay of about 1ms.
9.5
DEFERRED AUTO-REALLOCATION
Deferred Auto-Reallocation (DAR) simplifies reallocation algorithms at the system level by allowing the drive to reallocate
unreadable locations on a subsequent write command. Sites are marked for DAR during read operations performed by the
drive. When a write command is received for an LBA marked for DAR, the auto-reallocation process is invoked and attempts
to rewrite the data to the original location. If a verification of this rewrite fails, the sector is re-mapped to a spare location.
This is in contrast to the system having to use the Reassign Command to reassign a location that was unreadable and then
generate a write command to rewrite the data. DAR is most effective when AWRE and ARRE are enabled—this is the default
setting from the Seagate factory. With AWRE and ARRE disabled DAR is unable to reallocate the failing location and will
report an error sense code indicating that a write command is being attempted to a previously failing location.
9.6
IDLE READ AFTER WRITE
Idle Read After Write (IRAW) utilizes idle time to verify the integrity of recently written data. During idle periods, no active
system requests, the drive reads recently written data from the media and compares it to valid write command data resident
in the drives data buffer. Any sectors that fail the comparison result in the invocation of a rewrite and auto-reallocation
process. The process attempts to rewrite the data to the original location. If a verification of this rewrite fails, the sector is re-
mapped to a spare location.
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9.7
PROTECTION INFORMATION (PI)
Protection Information is intended as a standardized approach to system level LRC traditionally provided by systems using
520 byte formatted LBAs. Drives formatted with PI information provide the same, common LBA count (i.e. same capacity
point) as non-PI formatted drives. Sequential performance of a PI drive will be reduced by approximately 1.56% due to the
extra overhead of PI being transferred from the media that is not calculated as part of the data transferred to the host. To
determine the full transfer rate of a PI drive, transfers should be calculated by adding the 8 extra bytes of PI to the transferred
LBA length, i.e. 512 + 8 = 520. PI formatted drives are physically formatted to 520 byte sectors that store 512 bytes of
customer data with 8 bytes of Protection Information appended to it. The advantage of PI is that the Protection Information
bits can be managed at the HBA and HBA driver level. Allowing a system that typically does not support 520 LBA formats to
integrate this level of protection.
Protection Information is valid with any supported LBA size. 512 LBA size is used here as common example.
9.7.1 Levels of PI
There are 4 types of Protection Information.
Type 0 - Describes a drive that is not formatted with PI information bytes. This allows for legacy support in non-PI systems.
Type 1 - Provides support of PI protection using 10 and 16 byte commands. The RDPROTECT and WRTPROTECT bits
allow for checking control through the CDB. Eight bytes of Protection Information are transmitted at LBA boundaries across
the interface if RDPROTECT and WRTPROTECT bits are nonzero values. Type 1 does not allow the use of 32 byte
commands.
Type 2 - Provides checking control and additional expected fields within the 32 byte CDBs. Eight bytes of Protection
Information are transmitted at LBA boundaries across the interface if RDPROTECT and WRTPROTECT bits are nonzero
values. Type 2 does allow the use of 10 and 16 byte commands with zero values in the RDPROTECT and WRTPROTECT
fields. The drive will generate 8 bytes (e.g.0xFFFF) 8 bytes of Protection Information to be stored on the media, but the 8
bytes will not be transferred to the host during a read command.
Type 3 - Seagate products do not support Type 3.
9.7.2 Setting and determining the current Type Level
A drive is initialized to a type of PI by using the format command on a PI capable drive. Once a drive is formatted to a PI
Type, it may be queried by a Read Capacity (16) command to report the PI type which it is currently formatted to. PI Types
cannot coexist on a single drive. A drive can only be formatted to a single PI Type. It can be changed at anytime to a new
Type but requires a low level format which destroys all existing data on the drive. No other vehicle for changing the PI type is
provided by the T10 SBC3 specification.
Type 1 PI format CDB command: 04 90 00 00 00 00, Write Buffer: 00 A0 00 00
Type 2 PI format CDB command: 04 D0 00 00 00 00, Write Buffer: 00 A0 00 00
9.7.3 Identifying a Protection Information drive
The Standard Inquiry provides a bit to indicate if PI is support by the drive. Vital Product Descriptor (VPD) page 0x86
provides bits to indicate the PI Types supported and which PI fields the drive supports checking.
Note. For further details with respect to PI, please refer to SCSI Block Commands - 3 (SBC-3) Draft Standard docu-
mentation.
9.8
SEAGATE RAID REBUILD ™
Seagate RAID Rebuild is an industry standard feature to enable faster recovery from a failed drive in a RAID configuration. It improves
RAID rebuild performance by extracting easily readable data from a failing drive. It quickly identifies blocks that would take longer to
recover from the failed drive than to rebuild from the remaining drives in the RAID group.
This feature allows host control of error recovery, maximizes up time, and minimizes likelihood of 2nd drive failure in a RAID
configuration.
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10.0 INSTALLATION
Seagate Enterprise Performance 10K HDD disk drive installation is a plug-and-play process. There are no jumpers,
switches, or terminators on the drive.
SAS drives are designed to be used in a host system that provides a SAS-compatible backplane with bays designed to
accommodate the drive. In such systems, the host system typically provides a carrier or tray onto which the drive needs to
be mounted. Mount the drive to the carrier or tray provided by the host system using four M3 x 0.5 metric screws. When
tightening the screws, use a maximum torque of 4.5 in-lb +/- 0.45 in-lb. Do not over-tighten or force the screws. Mount the
drive in any orientation.
Note. SAS drives are designed to be attached to the host system without I/O or power cables. If the intent is to use the
drive in a non-backplane host system, connecting the drive using high-quality cables is acceptable as long as the
I/O cable length does not exceed 10 meters (32.8 feet).
Slide the carrier or tray into the appropriate bay in the host system using the instructions provided by the host system. This
connects the drive directly to the system’s SAS connector. The SAS connector is normally located on a SAS backpanel. See
Power is supplied through the SAS connector.
The drive is shipped from the factory low-level formatted in 512-byte logical blocks. Reformat the drive only if a different
logical block size needs to be selected.
Figure 8.
Physical interface
Note. Image is for reference only, may not represent actual drive.
10.1 DRIVE ORIENTATION
The drive may be mounted in any orientation. All drive performance characterizations, however, have been done with the
drive in horizontal (discs level) and vertical (drive on its side) orientations, which are the two preferred mounting orientations.
10.2 COOLING
Cabinet cooling must be designed by the customer so that the ambient temperature immediately surrounding the drive will
The rack, cabinet, or drawer environment for the drive must provide heat removal from the electronics and head and disk
assembly (HDA). Confirm that adequate heat removal is provided using the temperature measurement guidelines described
the drive should be oriented, or air flow directed, so that the least amount of air flow resistance is created while providing air
flow to the electronics and HDA. Also, the shortest possible path between the air inlet and exit should be chosen to minimize
the travel length of air heated by the drive and other heat sources within the rack, cabinet, or drawer environment.
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by one or more fans, either forcing or drawing air as shown in the illustrations. Conduction, convection, or other forced air-
Figure 9.
Air flow
Note. Image of the HDA may not represent actual product, for reference only.
10.3 DRIVE MOUNTING
Mount the drive using the bottom or side mounting holes. If mounting the drive using the bottom holes, ensure to not
physically distort the drive by attempting to mount it on a stiff, non-flat surface.
The allowable mounting surface stiffness is 80 lb/in (14.0 N/mm). The following equation and paragraph define the allowable
mounting surface stiffness:
K x X = F < 15lb = 67N
where K is the mounting surface stiffness (units in lb/in or N/mm) and X is the out-of-plane surface distortion (units in inches
or millimeters). The out-of-plane distortion (X) is determined by defining a plane with three of the four mounting points fixed
and evaluating the out-of-plane deflection of the fourth mounting point when a known force (F) is applied to the fourth point.
10.4 GROUNDING
Signal ground (PCBA) and HDA ground are connected together in the drive and cannot be separated by the user. The
equipment in which the drive is mounted is connected directly to the HDA and PCBA with no electrically isolating shock
mounts. If it is desired for the system chassis to not be connected to the HDA/PCBA ground, the systems integrator or user
must provide a nonconductive (electrically isolating) method of mounting the drive in the host equipment.
Increased radiated emissions may result if maximum surface area ground connection is not provided between system
ground and drive ground. This is the system designer’s and integrator’s responsibility.
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11.0 INTERFACE REQUIREMENTS
This section partially describes the interface requirements as implemented on Seagate Enterprise Performance 10K HDD
drives. Additional information is provided in the SAS Interface Manual (part number 100293071).
11.1 SAS FEATURES
This section lists the SAS-specific features supported by Seagate Enterprise Performance 10K HDD drives.
11.1.1 Task management functions
The table below lists the SAS task management functions supported.
Table 3 SAS task management functions supported
Task name
Supported
Abort Task
Yes
Yes
Yes
Yes
Yes
Yes
Clear ACA
Clear task set
Abort task set
Logical Unit Reset
Query Task
11.1.2 Task management responses
The table below lists the SAS response codes returned for task management functions supported.
Table 4 Task management response codes
Function name
Response code
Function complete
Invalid frame
00
02
04
05
08
09
Function not supported
Function failed
Function succeeded
Invalid logical unit
11.2 DUAL PORT SUPPORT
Seagate Enterprise Performance 10K HDD SAS drives have two independent ports. These ports may be connected in the
same or different SCSI domains. Each drive port has a unique SAS address.
The two ports have the capability of independent port clocking (e.g. both ports can run at 6Gb/s or the first port can run at
6Gb/s while the second port runs at 3Gb/s.) The supported link rates are 1.5, 3.0, or 6.0 Gb/s.
Subject to buffer availability, the Seagate Enterprise Performance 10K HDD drives support:
• Concurrent port transfers—The drive supports receiving COMMAND, TASK management transfers on both ports at the
same time.
• Full duplex—The drive supports sending XFER_RDY, DATA and RESPONSE transfers while receiving frames on both
ports.
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11.3 SCSI COMMANDS SUPPORTED
The table below lists the SCSI commands supported by Seagate Enterprise Performance 10K HDD drives.
Table 5 Supported commands
Command name
Change Definition
Compare
Command code
Supported
40h
39h
18h
3Ah
04h
N
N
N
N
Y
Y
N
Y
Y
Y
N
Y
N
Y
Y
Y
Y
Y
Y
Y
Y
Y
N
Y
N
N
N
Y
Y
Y
N
Y
Y
N
Y
Y
N
N
N
Y
Y
N
Y
Y
Y
N
Copy
Copy and Verify
Format Unit
DCRT bit supported
DPRY bit supported
DSP bit supported
IMMED bit supported
IP bit supported
SI (Security Initialize) bit supported
STPF bit supported
VS (vendor specific)
Inquiry
12h
Block Device Characteristics page (B1h)
Block Limits page (B0h)
Date Code page (C1h)
Device Behavior page (C3h)
Device Identification page (83h)
Extended Inquiry Data page (86h)
Firmware Numbers page (C0h)
Jumper Settings page (C2h)
Mode Page policy page (87h)
Power Condition page (8Ah)
Power Consuption page (8Dh)
Protocol Specific Logical unit Information page (90h)
Protocol Specific Port Information page (91h)
SCSI Ports page (88h)
Supported Vital Product Data page (00h)
Unit Serial Number page (80h)
Lock-unlock cache
36h
4Ch
Log Select (same log pages as Log Sense 4Dh)
PCR bit
DU bit
DS bit
TSD bit
ETC bit
TMC bit
LP bit
Log Sense
4Dh
Application Client Log page (0Fh)
Buffer Over-run/Under-run page (01h)
Cache Statistics page (37h)
Factory Log page (3Eh)
Information Exceptions Log page (2Fh)
Last n Deferred Errors or Asynchronous Events page (0Bh)
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Table 5 Supported commands
Command name
Command code
Supported
Last n Error Events page (07h)
Non-medium Error page (06h)
Pages Supported list (00h)
N
Y
Y
Y
Y
N
Y
Y
Y
Y
Y
Protocol-specific Log Page for SAS (18h)
Read Error Counter page (03h)
Read Reverse Error Counter page (04h)
Self-test Results page (10h)
Start-stop Cycle Counter page (0Eh)
Temperature page (0Dh)
Verify Error Counter page (05h)
Write error counter page (02h)
Mode Select (same pages as Mode Sense 1Ah)
[2]
15h
55h
1Ah
Y
Mode Select (10) (same pages as Mode Sense 1Ah)
Mode Sense
Y
[2]
Y
Caching Parameters page (08h)
Control Mode page (0Ah)
Disconnect/Reconnect (02h)
Error Recovery page (01h)
Format page (03h)
Y
Y
Y
Y
Y
Information Exceptions Control page (1Ch)
Background Scan mode subpage (01h)
Notch and Partition Page (0Ch)
Protocol-Specific Port page (19h)
Power Condition page (1Ah)
Rigid Disk Drive Geometry page (04h)
Unit Attention page (00h)
Verify Error Recovery page (07h)
Xor Control page (10h)
Mode Sense (10) (same pages as Mode Sense 1Ah)
Persistent Reserve In
Y
Y
N
Y
Y
Y
Y
Y
N
5Ah
5Eh
5Fh
34h
08h
28h
Y
Y
Persistent Reserve Out
Prefetch
Y
N
Read (6)
Y
Read (10)
Y
DPO bit supported
Y
FUA bit supported
Y
Read (12)
A8h
N
Read (16)
88h
Y
Read (32)
7Fh/0009h
3Ch
Y (Type 2 PI only)
Read Buffer (modes 0, 2, 3, Ah and Bh supported)
Read Capacity (10)
Y (non-SED drives only)
25h
Y
Read Capacity (16)
9Eh/10h
37h
Y
Read Defect Data (10)
Y
Read Defect Data (12)
B7h
Y
Read Long
3Eh
Y (non-SED drives only)
Read Long (16)
9Eh/11h
07h
Y
Y
Y
Y
Reassign Blocks
Receive Diagnostic Results
Supported Diagnostics pages (00h)
1Ch
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Table 5 Supported commands
Command name
Translate page (40h)
Release
Command code
Supported
Y
17h
57h
A0h
03h
Y
Release (10)
Y
Report LUNs
Y
Request Sense
Actual Retry Count bytes
Extended Sense
Field Pointer bytes
Reserve
Y
Y
Y
Y
16h
56h
Y
3rd Party Reserve
Extent Reservation
Reserve (10)
Y
N
Y
3rd Party Reserve
Extent Reservation
Rezero Unit
Y
N
01h
48h
Y
Sanitize
Y
Block Erase
N
Cryptographic Erase
Overwrite
Y (SED only)
N
Sanitize Exit
N
Security Protocol In
Security Protocol Out
Seek (6)
A2h
B5h
0Bh
2Bh
1Dh
Y (SED models only)
Y (SED models only)
Y
Seek (10)
Y
Send Diagnostics
Rebuild Assist page (42h)
Supported Diagnostics pages (00h)
Translate page (40h)
Start Unit/Stop Unit (spindle ceases rotating)
Synchronize Cache
Synchronize Cache (16)
Test Unit Ready
Verify (10)
Y
Y
Y
Y
1Bh
35h
91h
00h
2Fh
Y
Y
Y
Y
Y
BYTCHK bit
Y
Verify (12)
AFh
N
Verify (16)
AFh
Y
Verify (32)
7Fh/000Ah
0Ah
Y (Type 2 PI only)
Write (6)
Y
Write (10)
2Ah
Y
DPO bit
Y
FUA bit
Y
Write (12)
AAh
N
Write (16)
8Ah
Y
Write (32)
7Fh/000Bh
2Eh
Y (Type 2 PI only)
Write and Verify (10)
DPO bit
Y
Y
Write and Verify (12)
Write and Verify (16)
Write and Verify (32)
AEh
N
8Eh
Y
7Fh/000Ch
Y (Type 2 PI only)
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Table 5 Supported commands
Command name
Command code
Supported
Write Buffer (modes 0, 2, supported)
Write Buffer
3Bh
3Bh
Y (non-SED drives only)
Firmware Download option (modes 5, 7, Dh and Fh)
Firmware Download option (modes 4, 5, 7)
Write Long (10)
Y (non-SED drives only)
Y (SED drives only)
3Fh
Y
Write Long (16)
9Fh/11h
41h
Y
Write Same (10)
Y
PBdata
LBdata
N
N
Write Same (16)
93h
Y
Write Same (32)
XDRead
7Fh/000Dh
52h
Y (Type 2 PI only)
N
N
N
XDWrite
50h
XPWrite
51h
[1] Seagate Enterprise Performance 10K HDD drives can format to 512, 520, 524 or 528 bytes per logical block.
[2] Warning. Power loss during flash programming can result in firmware corruption. This usually makes the drive inopera-
ble.
[3] Reference Mode Sense command 1Ah for mode pages supported.
[4] Y = Yes. Command is supported.
N = No. Command is not supported.
A = Support is available on special request.
[5] Approximately 1.5 increase in time to complete this command for a SED drive versus a non-SED drive of the same
capacity.
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11.3.1 Inquiry data
The table below lists the Inquiry command data that the drive should return to the initiator per the format given in the SAS
Interface Manual.
Table 6 Seagate Enterprise Performance 10K HDD inquiry data
Bytes
Data (hex)
0-15
00
[53
R#
00
00
00
00
00
54
R#
00
00
00
43
xx** 12
8B
30
S#
00
00
00
79
53
74
01
30
S#
00
00
00
72
65
73
PP
4D
S#
00
00
00
69
61
20
02
4D
S#
00
00
00
67
67
72
53
30
S#
00
00
00
68
61
65
45
30
S#
00
00
00
74
74
73
41
30
S#
00
00
00
20
65
65
47
37]
S#
00
00
00
28
20
72
41
20
00
00
00
00
63
41
76
54
20
00
00
00
00
29
6C
65
45
20
00
00
00
00
20
6C
64
20
20
00
00
00
00
Vendor ID
Product ID
16-31
32-47
48-63
64-79
80-95
96-111
112-127
128-143
31
R#
00
00
00
6F
32
R#
00
00
00
70
20
68
32* *Copyright
30* 31* 32*
72 69 67
20
20
notice
*
Copyright year (changes with actual year).
SCSI Revision support. See the appropriate SPC release documentation for definitions.
**
PP 10 = Inquiry data for an Inquiry command received on Port A.
30 = Inquiry data for an Inquiry command received on Port B.
R# Four ASCII digits representing the last four digits of the product firmware release number.
S# Eight ASCII digits representing the eight digits of the product serial number.
[ ]
Bytes 16 through 26 reflect model of drive. The table above shows the hex values for Model ST1200MM0007.
Refer to the values below for the values of bytes 16 through 26 of a particular model:
ST1200MM0017
ST1200MM0027
ST1200MM0037
53 54 31 32 30 30 4D 4D 30 30 31 37
53 54 31 32 30 30 4D 4D 30 30 32 37
53 54 31 32 30 30 4D 4D 30 30 33 37
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11.3.2 Mode Sense data
The Mode Sense command provides a way for the drive to report its operating parameters to the initiator. The drive
maintains four sets of mode parameters:
1. Default values
Default values are hard-coded in the drive firmware stored in flash E-PROM (nonvolatile memory) on the drive’s PCB.
These default values can be changed only by downloading a complete set of new firmware into the flash E-PROM. An
initiator can request and receive from the drive a list of default values and use those in a Mode Select command to set up
new current and saved values, where the values are changeable.
2. Saved values
Saved values are stored on the drive’s media using a Mode Select command. Only parameter values that are allowed to
be changed can be changed by this method. Parameters in the saved values list that are not changeable by the Mode
Select command get their values from default values storage.
When power is applied to the drive, it takes saved values from the media and stores them as current values in volatile
memory. It is not possible to change the current values (or the saved values) with a Mode Select command before the
drive achieves operating speed and is “ready.” An attempt to do so results in a “Check Condition” status.
On drives requiring unique saved values, the required unique saved values are stored into the saved values storage
location on the media prior to shipping the drive. Some drives may have unique firmware with unique default values also.
On standard OEM drives, the saved values are taken from the default values list and stored into the saved values stor-
age location on the media prior to shipping.
3. Current values
Current values are volatile values being used by the drive to control its operation. A Mode Select command can be used
to change the values identified as changeable values. Originally, current values are installed from saved or default val-
ues after a power on reset, hard reset, or Bus Device Reset message.
4. Changeable values
Changeable values form a bit mask, stored in nonvolatile memory, that dictates which of the current values and saved
values can be changed by a Mode Select command. A one (1) indicates the value can be changed. A zero (0) indicates
the value is not changeable. For example, in the table in Section 11.3.2, refer to Mode page 81, in the row entitled “CHG.”
These are hex numbers representing the changeable values for Mode page 81. Note in columns 5 and 6 (bytes 04 and
05), there is 00h which indicates that in bytes 04 and 05 none of the bits are changeable. Note also that bytes 06, 07, 09,
10, and 11 are not changeable, because those fields are all zeros. In byte 02, hex value FF equates to the binary pattern
11111111. If there is a zero in any bit position in the field, it means that bit is not changeable. Since all of the bits in byte
02 are ones, all of these bits are changeable.
The changeable values list can only be changed by downloading new firmware into the flash E-PROM.
Note. Because there are often several different versions of drive control firmware in the total population of drives in the
field, the Mode Sense values given in the following tables may not exactly match those of some drives.
The following tables list the values of the data bytes returned by the drive in response to the Mode Sense command pages
for SCSI implementation (see the SAS Interface Manual).
DEF = Default value. Standard OEM drives are shipped configured this way.
CHG = Changeable bits; indicates if default value is changeable.
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Table 7 Mode Sense data for 1200GB drives
MODE DATA HEADER:
01 9e 00 10 01 00 00 10
BLOCK DESCRIPTOR:
00 00 00 00 8b ba 0c b0 00 00 00 00 00 00 02 00
DEF 81 0a c0 14 ff 00 00 00 05 00 ff ff
CHG 81 0a ff ff 00 00 00 00 ff 00 ff ff
DEF 82 0e 00 00 00 00 00 00 00 00 00 a0 00 00 00 00
CHG 82 0e 00 00 00 00 00 00 ff ff ff ff 00 00 00 00
DEF 83 16 bb d0 00 00 00 00 03 80 04 c4 02 00 00 01 00 8e 00 18 40 00 00 00
CHG 83 16 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
DEF 84 16 02 54 e0 08 00 00 00 00 00 00 00 00 00 00 00 00 00 00 29 04 00 00
CHG 84 16 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
DEF 87 0a 00 14 ff 00 00 00 00 00 ff ff
CHG 87 0a 0f ff 00 00 00 00 00 00 ff ff
DEF 88 12 14 00 ff ff 00 00 ff ff ff ff 80 20 00 00 00 00 00 00
CHG 88 12 a5 00 00 00 ff ff ff ff 00 00 20 00 00 00 00 00 00 00
DEF 8a 0a 02 00 00 80 00 00 00 00 20 d0
CHG 8a 0a 0f f6 00 00 00 00 00 00 00 00
DEF 18 06 06 00 00 00 00 00
CHG 18 06 00 00 00 00 00 00
DEF 99 0e 46 00 07 d0 00 00 00 00 00 00 00 00 00 00
CHG 99 0e 50 00 ff ff ff ff ff ff 00 00 00 00 00 00
DEF 9a 26 00 06 00 00 00 0a 00 00 8c a0 00 00 17 70 00 00 46 50 00 00 46 50 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 58
CHG 9a 26 01 0f ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
DEF 9c 0a 10 00 00 00 00 00 00 00 00 01
CHG 9c 0a 9d 0f ff ff ff ff ff ff ff ff
DEF 80 0a 00 80 0f 00 00 00 00 00 00 00
CHG 80 0a b7 c0 8f 00 00 00 00 00 ff ff
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11.4 MISCELLANEOUS OPERATING FEATURES AND CONDITIONS
The table below lists various features and conditions. A “Y” in the support column indicates the feature or condition is
supported. An “N” in the support column indicates the feature or condition is not supported.
Table 8 Miscellaneous features
Supported Feature or condition
N
N
N
Y
N
Y
Y
Y
Y
N
Y
Automatic contingent allegiance
Asynchronous event notification
Synchronized (locked) spindle operation
Segmented caching
Zero latency read
Queue tagging (up to 128 queue tags supported)
Deferred error handling
Parameter rounding (controlled by Round bit in Mode Select page 0)
Reporting actual retry count in Extended Sense bytes 15, 16, and 17
Adaptive caching
SMP = 1 in Mode Select command needed to save RPL and rotational offset bytes
Table 9 Miscellaneous status
Supported Status
Y
Y
Y
Y
Y
Y
Y
Y
N
N
Good
Check condition
Condition met/good
Busy
Intermediate/good
Intermediate/condition met/good
Reservation conflict
Task set full
ACA active
ACA active, faulted initiator
11.4.1 SAS physical interface
Figure 10 shows the location of the SAS device connector J1. Figures 11 and 12 provide the dimensions of the SAS
connector.
Details of the physical, electrical, and logical characteristics are provided within this section. The operational aspects of
Seagate’s SAS drives are provided in the SAS Interface Manual
Figure 10. Physical interface
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11.4.2 Physical characteristics
This section defines physical interface connector.
11.4.3 Connector requirements
Contact a preferred connector manufacturer for mating part information. Part numbers for SAS connectors will be provided in
a future revision of this publication when production parts are available from major connector manufacturers.
11.4.4 Electrical description
SAS drives use the device connector for:
• DC power
• SAS interface
• Activity LED
This connector is designed to either plug directly into a backpanel or accept cables.
11.4.5 Pin descriptions
This section provides a pin-out of the SAS device and a description of the functions provided by the pins.
Table 10 SAS pin descriptions
Pin
Signal name
Signal type
Pin
Signal name
Signal type
S1
Port A Ground
+Port A_in
P1*
P2*
P3
NC (reserved 3.3Volts)
NC (reserved 3.3Volts)
NC (reserved 3.3Volts)
Ground
S2*
S3*
S4
Diff. input pair
-Port A_in
Port A Ground
-Port A_out
+Port A_out
Port A Ground
Port B Ground
+Port B_in
P4
S5*
S6*
S7
Diff output pair
P5
Ground
P6
Ground
P7
5 Volts charge
5 Volts
S8
P8*
P9*
P10
P11*
P12
P13
P14*
P15*
S9*
S10*
S11
S12*
S13*
S14
Diff. input pair
Diff output pair
5 Volts
-Port B_in
Ground
Port A Ground
-Port B_out
+Port B_out
Port B Ground
Ready LED
Ground
Open collector out
12 Volts charge
12 Volts
12 Volts
* - Short pin to support hot plugging
NC - No connection in the drive.
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11.4.6 SAS transmitters and receivers
ground shift noise.
Figure 13. SAS transmitters and receivers
11.4.7 Power
The drive receives power (+5 volts and +12 volts) through the SAS device connector.
Three +12 volt pins provide power to the drive, 2 short and 1 long. The current return for the +12 volt power supply is through
the common ground pins. The supply current and return current must be distributed as evenly as possible among the pins.
Three +5 volt pins provide power to the drive, 2 short and 1 long. The current return for the +5 volt power supply is through
the common ground pins. The supply current and return current must be distributed as evenly as possible among the pins.
Current to the drive through the long power pins may be limited by the system to reduce inrush current to the drive during hot
plugging.
11.5 SIGNAL CHARACTERISTICS
This section describes the electrical signal characteristics of the drive’s input and output signals. See Section 11.4.5 for
signal type and signal name information.
11.5.1 Ready LED Out
The Ready LED Out signal is driven by the drive as indicated in the table below.
Table 11 Ready LED Out conditions
Normal command activity
Ready LED Meaning bit mode page 19h
Spun down and no activity
LED status
0
1
Off
On
On
Off
Off
On
Off
On
Spun down and activity (command executing)
Spun up and no activity
Spun up and activity (command executing)
Spinning up or down
Blinks steadily
(50% on and 50% off, 0.5 seconds on and off for 0.5 seconds)
Format in progress, each cylinder change
Toggles on/off
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The Ready LED Out signal is designed to pull down the cathode of an LED. The anode is attached to the proper +3.3 volt
supply through an appropriate current limiting resistor. The LED and the current limiting resistor are external to the drive. See
the next table for the output characteristics of the LED drive signals.
Table 12 LED drive signal
State
Test condition
Output voltage
LED off, high
LED on, low
0 V £ VOH £ 3.6 V
-100 μA < I < 100 μA
OH
I
= 15 mA
0 £ VOL £ 0.225 V
OL
11.5.2 Differential signals
The drive SAS differential signals comply with the intra-enclosure (internal connector) requirements of the SAS standard.
The table below defines the general interface characteristics
Table 13 General interface characteristics
Characteristic
Units
1.5Gb/s
3.0Gb/s
6.0Gb/s
Bit rate (nominal)
Mbaud
ps
1,500
666.6
100
3,000
333.3
100
6,000
166.6
100
Unit interval (UI)(nominal)
Impedance (nominal, differential )
Transmitter transients, maximum
Receiver transients, maximum
ohm
V
± 1.2
± 1.2
± 1.2
± 1.2
± 1.2
± 1.2
V
11.6 SAS-2 SPECIFICATION COMPLIANCE
Seagate SAS-2 drives are entirely compatible with the latest SAS-2 Specification (T10/1760-D) Revision 16.
The most important characteristic of the SAS-2 drive at 6Gb/s is that the receiver is capable of adapting the equalizer to
optimize the receive margins. The SAS-2 drive has two types of equalizers:
1. A Decision Feedback Equalizer (DFE) which utilizes the standard SAS-2 training pattern transmitted during the SNW-3
training gap. The DFE circuit can derive an optimal equalization characteristic to compensate for many of the receive
losses in the system.
2. A Feed Forward Equalizer (FFE) optimized to provide balanced receive margins over a range of channels bounded by
the best and worst case channels as defined by the relevant ANSI standard.
11.7 ADDITIONAL INFORMATION
Please contact the Seagate representative for SAS electrical details, if required.
For more information about the Phy, Link, Transport, and Applications layers of the SAS interface, refer to the Seagate SAS
Interface Manual, part number 100293071.
For more information about the SCSI commands used by Seagate SAS drives, refer to the Seagate SCSI Commands
Reference Manual, part number 100293068.
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INDEX
capacity
unformatted 9
CBC 28
NUMERICS
12 volt
pins 49
A
acoustics 25
condensation 23
connector
actuator 7
illustrated 48
requirements 48
cooling 35
CRC
error 12
illustrated 36
altitude 23
ambient 23
ANSI documents
D
DAR 33
data block size
SCSI 5
auto write and read reallocation
programmable 6
data heads
read/write 9
requirements 20
decrypt 28
defects 31
DEK 28
B
backpanel 48
BandMasterX 28
BMS 33
buffer
data 6
space 10
description 6
DFE 50
dimensions 26
drive 25
C
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INDEX
humidity 23
E
electrical
specifications 18
I
environment 35
Idle1 18
Idle2 18
Idle3 18
installation 35
environmental
limits 23
guide 5
requirements 12
interface
EraseMaster 28
error
errors 12
management 31
illustrated 45
rates 12
physical 45
errors 31
requirements 37
interleave
minimum 9
IRAW 33
F
features 6
interface 37
FFE 50
J
FIPS 27
jumpers 35
firmware 6
corruption 41
L
latency
LockOnReset 29
function
G
M
gradient 23
grounding 36
maintenance 12
miscellaneous feature support
H
heads
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INDEX
general 9
miscellaneous status support
Busy 45
power 49
Good 45
Intermediate/good 45
dissipation 22
sequencing 21
PowerChoice 18
Mode sense
mounting 36
PowerCycle 29
holes 36
orientations 35
MSID 28
Q
N
noise
R
audible 3
receivers 49
reference
temperature 23
O
options 8
documents 5
reliability 7
specifications 12
P
resonance 24
RevertSP 30
RNG 29
packaged 24
password 28
passwords 28
PCBA 36
detailed 9
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INDEX
TCG 28
S
safety 3
SAS
interface 48
SCSI interface
seek error
limits 23
non-operating 23
regulation 3
See also cooling
terminators 35
transmitters 49
defined 12
rate 12
shielding 3
U
unformatted 8
shipping 17
shock 24
V
SID 28
signal
W
warranty 17
characteristics 49
Specification 50
Z
standards 3
Standby1 18
Standby2 18
surface stiffness
switches 35
synchronized spindle
operation 45
T
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Seagate Technology LLC
AMERICAS Seagate Technology LLC 10200 South De Anza Boulevard, Cupertino, California 95014, United States, 408-658-1000
ASIA/PACIFIC Seagate Singapore International Headquarters Pte. Ltd. 7000 Ang Mo Kio Avenue 5, Singapore 569877, 65-6485-3888
EUROPE, MIDDLE EAST AND AFRICA Seagate Technology SAS 16-18 rue du Dôme, 92100 Boulogne-Billancourt, France, 33 1-4186 10 00
Publication Number: 100713202, Rev. C
July 2013
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