®
TM
My Book Thunderbolt Duo
Dual-drive Storage System
User Manual
My Book Thunderbolt Duo User Manual
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Table of Contents
WD Service and Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii
®
Kensington Security Slot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Erasing the Device Drives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Restoring the WD Software and Disk Image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Replacing a Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Contacting WD Technical Support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Removing and Replacing the Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Regulatory Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
GS Mark (Germany only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
GNU General Public License (“GPL”). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
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Warranty Information (Australia/New Zealand). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
TABLE OF CONTENTS – iv
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About Your WD Storage Device
1
Welcome to your My Book® Thunderbolt™ Duo dual-drive storage device, featuring
revolutionary Thunderbolt technology that sets new standards for data transfer speeds
and workflow flexibility in high-capacity storage.
This chapter includes the following topics:
Features
Move data at unprecedented speeds—Do more work in less time with ground-
breaking data transfer speeds using Thunderbolt technology. Your My Book Thunderbolt
Duo dual-drive storage device provides a fast way to get information to and from your
external drives.
Multiple dual-drive storage configurations—Select RAID or Individual Drives modes:
• RAID 0 (Striped mode) for maximum capacity and accelerated performance.
• RAID 1 (Mirrored mode) for double-safe data protection by automatically creating
a second copy of your data. One of the drives stores your data and the other drive
saves a second copy. If either drive fails, your data is protected because it is
duplicated on the other drive.
• JBOD (Individual Drives mode) for using the two drives independently, and not
configured into a RAID array.
Enhance workflow efficiency—Use the two Thunderbolt ports to daisy chain up to six
Thunderbolt storage devices to achieve maximum workflow efficiency and productivity.
High-speed multitasking—The revolutionary bidirectional Thunderbolt technology
delivers unmatched speed for multitasking projects.
Super-fast external boot capability—For information about using your My Book
Thunderbolt Duo as an external boot device using Mac OS X 10.6.8 or later, see the
User serviceable—When you need to replace a drive, just open the case and do it
yourself. No tools are needed.
WD Drive UtilitiesTM software—Keep your device performing at its best by configuring
the drives, running diagnostics, and more.
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www.westerndigital.com. For the latest software, firmware, and product documentation
Kit Contents
includes the following:
• My Book Thunderbolt Duo dual-drive storage device
• AC adapter (configuration varies, depending on region)
• Thunderbolt cable
• Quick Install Guide
• WD Drive Utilities software (included on the device).
Thunderbolt Cable
AC Adapter
My Book Thunderbolt Duo Dual-drive Storage Device
Quick Install Guide
Figure 1. My Book Thunderbolt Duo Dual-drive Storage Device Kit Components
Optional Accessories
For information about optional accessories for this product, visit:
US
Canada
Europe
All others
Contact WD Technical Support in your region. For a list of Technical Support
ID 1048.
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Operating System Compatibility
Your My Book Thunderbolt Duo dual-drive storage device and WD Drive Utilities
software are compatible with the following Mac OS X 10.6.8 or later operating systems
on Thunderbolt technology-enabled computers:
• Snow Leopard™
• Lion
Compatibility can vary, depending on hardware configuration and operating system.
For highest performance and reliability, always install the latest software update. Go to
the Apple menu and select Software Update.
Disk Drive Formats
Your My Book Thunderbolt Duo dual-drive storage device is initially formatted with
HFS+J partitions and configured as a striped RAID disk array (RAID 0).
In the RAID configurations, both drives are formatted with a single HFS+J partition for
Mac OS X operating systems. In the JBOD configuration, each drive can be reformatted
as either:
• HFS+J for Mac computers
• exFAT for running Windows operating systems on Mac computers
Note: Older Windows operating systems might need a patch from Microsoft to recognize
Physical Description
• A power/activity LED indicator on the front
• The power connector, Thunderbolt ports, and a security slot on the back
Thunderbolt Ports
Kensington® Security Slot
Power Connector
Power/Activity LED
Front View
Rear View
Figure 2. Front and Rear Views of Your My Book Thunderbolt Duo Dual-drive Storage Device
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Power/Activity LED
The power/activity LED shows the device’s normal power state and activity, and
provides caution/warning indications as follows:
LED Appearance
Power State/Activity
Normal Operating Indications
Brief fast-flash display of white-amber-white- Initial power-on sequence
amber-white-amber-off, less than one second
in duration
White, on steady
Ready, interface enabled, but idle
Active
White, continuous fast flashing,
approximately four times per second
Off
No power, no interface connection, or sleep
status
Caution/Warning Indications
Amber, on steady
Fan failure or over-/under-temperature
condition
Amber, slow flashing, approximately two
times per second, every other second
At or above critical temperature
Note: If you see an over-temperature indication, power down the device and let it
cool for 60 minutes. Power it back on, and if the problem persists, contact
WD Support.
Thunderbolt Ports
device has two dual-channel Thunderbolt ports that provide a fast, flexible interface for:
• Performance—Thunderbolt technology delivers unprecedented data transfer
rates thanks to its revolutionary bidirectional I/O throughput. Each Thunderbolt
port provides two bidirectional channels, each with theoretically up to 10 Gb/s of
bandwidth.
• Simplicity—Thunderbolt technology supports daisy chaining multiple devices
through a single Thunderbolt connector so you can multitask at Thunderbolt
technology speed without having to use a switch or hub. This reduces the
hardware clutter and increases productivity.
• Flexibility—Connect additional Thunderbolt technology-enabled external hard
drives, media players, HD displays, media capture and editing systems and more
through a single connector.
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Kensington® Security Slot
For physical device security, the Kensington security slot accepts a standard Kensington
security cable (sold separately). For more information about the Kensington security slot
Registering Your Device
Always register your My Book Thunderbolt Duo dual-drive storage device to get the
latest updates and special offers. You can easily register your device using the WD Drive
Handling Precautions
WD products are precision instruments and must be handled with care during unpacking
and installation. Drives can be damaged by rough handling, shock, or vibration. Observe
the following precautions when unpacking and using your external storage product:
• Do not drop or jolt the device.
• Do not move the device during power on state.
• Do not operate the device in any position other than the standing upright position.
• Do not use this product as a portable device.
• Do not place the device on carpeting. Make sure the device is on a clean, firm,
and stable surface.
• To allow proper ventilation, do not block any of the enclosure’s air slots.
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Connecting the Device and Getting Started
2
This chapter provides instructions for:
Connecting the Device
1. Depending on your region, if required, change the power adapter as follows:
Installing
Removing
Installing
Removing
2. Turn on your computer.
3. Connect the AC adapter to a power receptacle and to the 12 VDC power connector
on the device:
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4. Use the Thunderbolt cable to connect either port on the device to your computer:
5. Use the other port on the device to connect additional Thunderbolt peripherals.
Note: Thunderbolt technology supports a total of seven devices—your computer and up
to six Thunderbolt storage devices.
6. The device automatically powers up and mounts to your computer.
7. Verify that the My Book Thunderbolt Duo appears under DEVICES in the Sidebar
area of your Finder display:
Note: If the External disks check box is selected on your Finder Preferences dialog, the
My Book Thunderbolt Duo icon displays on your desktop:
8. The first time you connect the device to your computer, a message asks if you want
to use the device drives to back up with Time Machine:
Note: Currently the Encrypt Backup Disk check box only appears on computers using
the Lion operating system. DO NOT select this check box. Your My Book
Thunderbolt Duo device leverages the operating system to enable RAID
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configurations. The Stripe and Mirror RAID modes of your My Book Thunderbolt
Duo device are software configured, and the Lion backup disk encryption feature
is not compatible with software-configured RAID devices.
If you want to use your device as a backup device with Time Machine on
Lion, you can either:
•
•
•
Use it in the default striped RAID configuration without backup
encryption.
Convert it to a mirrored RAID configuration and use it without backup
encryption.
Convert it to individual drives and use one of them with or without
backup encryption.
•
•
If you do not want to use the Time Machine backup software, or if you want to
change the drive configuration and then set up Time Machine backups, click:
- Don’t Use on Lion
- Cancel on Snow Leopard
If you do want to use the Time Machine backup software, click Use as Backup
Disk.
Either way, your My Book Thunderbolt Duo dual-drive storage device is ready to use.
It is recommended to install the WD Drive Utilities software to manage your device.
Installing the WD Drive Utilities Software
1. Double-click either the My Book Thunderbolt Duo Finder listing or its desktop icon,
and then double-click the .dmg file on the screen that displays:
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2. Drag the icon for the WD Drive Utilities software to the alias Applications folder on
the screen that displays:
3. In the alias Applications folder, double-click the WD Drive Utilities application.
4. Read the license agreement and click Accept to continue and display the WD Drive
.
Figure 3. WD Drive Utilities Screen
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Managing and Customizing Your My Book
Thunderbolt Duo Device
3
This chapter includes the following topics:
and customize your storage device for the best possible performance:
• Diagnostics—Run diagnostics and status checks to make sure your device drives
are working properly.
• RAID Management—Check the operational status or change the device drive
configuration.
• Drive Erase—Erase all of the data on the drives.
• Registration—Register your device to receive free technical support during the
warranty period and find out about software updates, product enhancements, and
price discount opportunities.
On the WD Drive Utilities screen:
IF you want to . . .
THEN click . . .
AND see . . .
Run drive diagnostics and status
checks,
Diagnostics
the next section.
Check the RAID status or change the RAID Management
configuration of the device drives,
Erase the drives so you can retrieve
the space and start over,
Drive Erase
Registration
Register the device to receive free
technical support during the warranty
period and keep up-to-date on the
latest WD products,
Checking Device Health
The WD Drive Utilities software provides three diagnostic tools to help make sure that
your device is performing well. Run the following tests if you are concerned that your
device is not operating properly:
• S.M.A.R.T. Status Check
S.M.A.R.T. is a failure-prediction function that continuously monitors key internal
performance attributes of the device drives. A detected increase in drive
temperature, noise, or read/write errors, for example, can provide an indication
that the drive is approaching a serious failure condition. With advanced warning,
you could take precautionary measures, like moving your data to another device,
before a failure occurs.
The result of a S.M.A.R.T. status check is a pass or fail evaluation of the drives’
condition.
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• Quick Drive Test
Each device drive has a built-in Data Lifeguard™ diagnostic utility that tests the
drive for error conditions. The quick drive test checks the drives for major
performance problems.
The result of a quick drive test is a pass or fail evaluation of the drives’ condition.
• Complete Drive Test
The most comprehensive drive diagnostic is the complete drive test. It checks
every sector for error conditions, and inserts bad sector markers as required.
The best time to run the drive diagnostics and status checks is on a regular basis, before
you encounter any problems with your drives. And, because they are so fast, running the
S.M.A.R.T. status check and the quick drive test provides a high level of assurance with
minimal inconvenience. Then, run all three whenever you encounter disk error conditions
when writing or accessing files.
To run drive diagnostics and status checks:
1. Click Go > Applications > WD Drive Utilities to display the WD Drive Utilities screen
2. If you have more than one supported drive or storage device connected to your
computer, select the one that you want to check.
3. Click Diagnostics to display the Diagnostics dialog:
4. On the Diagnostics dialog, click the button for the test that you want to run:
•
•
•
S.M.A.R.T. Status
Quick Drive Test
Complete Drive Test
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Managing the RAID Configuration
The initial/default configuration of your My Book Thunderbolt Duo device is as a striped
RAID 0 disk array for high-speed/maximum-storage performance. You can reconfigure
the device as either:
• A mirrored RAID 1 disk array for maximum-protection/reduced-storage
• JBOD individual drives that can be formatted differently for enhanced flexibility
Checking the Device Status
The WD Drive Utilities software provides a status indication of the device configuration
and each device drive.
To check the device status:
1. Click Go > Applications > WD Drive Utilities to display the WD Drive Utilities screen
2. If you have more than one supported storage device connected to your computer,
select the one that you want to check.
3. Click RAID Management > Status to display the device status:
4. The status display shows:
•
Current Configuration as either:
- Stripe
- Mirror
- Individual Drives
•
RAID Status as either:
- Online
- Offline
- Degraded
- Failed
•
For RAID configurations, Drive A and Drive B Status as either:
- Online—The drive is online and available
- Failed—The drive has failed
- Removed—The drive has been removed
- Standby—The drive is part of the RAID array but needs to be rebuilt
- Rebuilding—The drive is being rebuilt
- Unknown—The drive has some other undetermined status
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Changing the Device Configuration
CAUTION! Changing the device configuration reformats both drives, which erases
all of the data on them. If you have been using the device in one mode and then
want to switch to a different mode, back up your files to another storage device
before changing the configuration.
Note: Changing the device configuration also deletes the WD software and all of the
support files, utilities, and user manual files. You can download these to restore
the device to its original configuration after the change. (See Knowledge Base
restoring the WD software and disk image.)
To change the device configuration:
1. Click Go > Applications > WD Drive Utilities to display the WD Drive Utilities screen
2. If you have more than one supported storage device connected to your computer,
select the one that you want to configure.
3. Click RAID Management > Configuration to display the Configuration dialog:
4. Select the option for the mode that you want to change to:
•
•
•
Stripe - Maximum Capacity and Performance (RAID 0)
Mirror - Maximum Data Protection (RAID 1)
Individual Drives (JBOD)
Selecting the . . . option
Displays a volume dialog for specifying the . . .
Stripe or Mirror
Volume name for the new RAID array:
Note that the exFAT
(extended File Allocation
Table) format is not RAID
configurable.
Individual Drives
Volume name and file format for each drive:
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5. On the volume dialog:
a. If you want to change the name of a volume, type over the name in the Volume
Name box.
b. If you are converting to individual drives, select the option to specify the file
format for each volume:
•
•
HFS+J
ExFAT
c. Read the warning about the loss of data when you change the device
configuration and select the I understand check box to signify that you accept
the risk and activate the Configure button:
Important: If you want to save any of the data that is on the device drives, back
it up to another storage device before continuing with the configuration change.
d. Click Configure to begin the configuration change.
6. When prompted, type your password and click OK to continue:
7. During the configuration change, the WD Drive Utilities software:
•
•
Displays a status bar to show the progress of the conversion
Clears and then redisplays the Finder listing and desktop icon display to support
the new device mode
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8. The first time you configure to a new volume, a message asks if you want to use the
device drives to back up with Time Machine:
New Mirror Volume
New Stripe Volume
New Individual Drives Volumes
Note: Currently the Encrypt Backup Disk check box only appears on computers using
the Lion operating system. DO NOT select this check box if you have converted to
a RAID volume. Your My Book Thunderbolt Duo device leverages the operating
system to enable RAID configurations. The Stripe and Mirror RAID modes of your
My Book Thunderbolt Duo device are software configured, and the Lion backup
disk encryption feature is not compatible with software-configured RAID devices.
•
•
If you do not want to use the Time Machine backup software, click:
- Don’t Use on Lion
- Cancel on Snow Leopard
Skip to step 10 on page 16.
If you do want to use the Time Machine backup software, then for:
9. To use JBOD mode as a backup disk with Time Machine in HFS+J only:
a. Select the volume that you want to use:
•
•
My Book Thunderbolt Duo - A
My Book Thunderbolt Duo - B
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b. Depending on your computer’s operating system:
• Using Lion:
- If you want to create a password to secure your backup files, select the
- If you do not want to create a password to encrypt your backup files, click
c. Click Use as Backup Disk and complete the backup password dialog that
displays:
10. After the configuration change completes, click OK to close the completion message
display:
Note: The completion message changes to reflect the mode you have changed to.
about downloading and restoring the WD software and disk image.
Erasing the Device Drives
CAUTION! Erasing a drive permanently deletes all of the data on the drive. Always
back up the data on the drive before erasing it.
Note: Erasing your device drives also deletes the WD software and all of the support
files, utilities, and user manual files. You can download these to restore your
device to its original configuration after erasing the drives. (See Knowledge Base
restoring the WD software and disk image.)
To erase your My Book Thunderbolt Duo device drives:
1. Click Go > Applications > WD Drive Utilities to display the WD Drive Utilities screen
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2. If you have more than one supported storage device or drive connected to your
computer, select the one that you want to erase.
3. Click Drive Erase to display the Drive Erase dialog:
For RAID Array Configurations
For Individual Drives
4. On the Drive Erase dialog:
a. For individual drives, select the check box for each drive that you want to erase:
•
•
Erase Drive A
Erase Drive B
b. If you want to perform a secure erase operation on a drive, select its Perform a
secure erase check box.
Note: Selecting this option ensures all data on the device is erased. This will take several
hours to complete. If you choose not to select this option, a quick erase will be
performed and the data may be recoverable using disk recovery software.
c. If you want to change the name of a volume, type over the name in the Volume
Name box.
d. For individual drives, select the option to specify the file format for each volume:
•
•
HFS+J
ExFAT
Note that the exFAT (extended File Allocation Table) format is not RAID
configurable.
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e. Read the warning about the loss of data when you erase the drive and select the
I understand check box to signify that you accept the risk and activate the
Erase Drive button:
Important: If you want to save any of the data that is on the device drives,
back it up to another device before continuing with the drive erase.
f. Click Erase Drive to begin the erase operation.
5. When prompted, type your password and click OK to continue:
6. After the drive erase operation completes, click OK to close the completion message
display:
about downloading and restoring the WD software and disk image.
Registering the Device
The WD Drive Utilities software uses your computer’s Internet connection to
register your device. Registering the device provides free technical support during the
warranty period and keeps you up-to-date on the latest WD products.
To register your device:
1. Make sure that your computer is connected to the Internet.
2. Click Go > Applications > WD Drive Utilities to display the WD Drive Utilities
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3. If you have more than one supported storage device or drive connected to your
computer, select the one that you want to register.
4. Click Registration to display the Registration dialog:
5. On the Registration dialog:
a. Type your first name in the First name box.
b. Type your last name in the Last name box.
c. Type your e-mail address in the E-mail address box.
d. Type the serial number of your My Book Thunderbolt Duo device in the Device
serial number box.
e. Select your language in the Preferred language box.
f. Select or clear the Yes, I want to receive communication... check box to
specify whether you want to receive e-mail notifications about software updates,
product enhancements, and price discount opportunities.
g. Click Register Drive.
Restoring the WD Software and Disk Image
In addition to deleting all of the data on your device, erasing or reformatting the device
drives also removes the WD Drive Utilities software and all of the support files, utilities,
and user manual files.
If you ever need to remove and reinstall the WD software on your computer, or move the
WD software and disk image on your device drives. To do this, after you have erased or
ID 7.
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Safely Dismounting the Device Drives
CAUTION! To prevent data loss, close all active windows and applications before
shutting down or disconnecting the device drives.
Use the My Book Thunderbolt Duo Finder listing or desktop icon to safely dismount the
device drives:
1. Right- or control-click the My Book Thunderbolt Duo Finder listing or desktop icon
and select Eject “My Book Thunderbolt Duo”:
Finder Listing Display
Desktop Icon Display
2. If you have converted your device to individual drives, eject both the A and B
volumes.
You might hear the drives power down.
3. Wait for the Finder listing or desktop icon to disappear before disconnecting the
device.
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Replacing a Drive
4
This chapter includes the following topics:
Determining Which Drive Failed
Whether the application is running or not, the WD Drive Utilities software continuously
monitors the operational condition of your My Book Thunderbolt Duo drives. When a
drive fails, the utility displays a warning message, depending on the configuration of your
system:
For a striped RAID 0 configuration:
For a mirrored RAID 1 configuration:
For an individual drives JBOD configuration:
As prompted for a RAID configuration, use the WD Drive Utilities software to determine
which drive has failed. (See “Checking the Device Status” on page 12.)
For a JBOD configuration, the warning message indicates the drive that failed.
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Contacting WD Technical Support
Knowledge Base answer ID 8644 for information about obtaining a replacement drive.
When contacting Technical Support, have the following information ready:
• The serial number of your My Book Thunderbolt Duo device
• Date of purchase
• The serial number of each internal hard drive you need to replace
See steps 1 through 8 of the following procedure for removing the drive to see the
serial number.
Removing and Replacing the Drive
Your My Book Thunderbolt Duo dual-drive storage device is a limited user-serviceable
device. You can easily replace the hard drives inside the enclosure.
Important: Only use WD Caviar® Green™ hard drive assemblies to replace the drives in
your My Book Thunderbolt Duo device enclosure. Using any other hard drive assembly
voids the warranty for your My Book Thunderbolt Duo.
After receiving the replacement drive, replace the failed drive as follows:
1. If the device is still operational, safely dismount the drives from your computer.
2. Important: To avoid electrostatic discharge (ESD) damage, ground yourself by
touching a grounded metal object before handling the device.
3. Disconnect the Thunderbolt cables from the Thunderbolt ports on the back of the
device enclosure.
4. Disconnect the AC adapter cable from the power connector.
5. Place the device on a clean and stable surface.
6. Firmly push down on the top cover button to release the latch and open the top
cover:
3
1
2
REPLACING A DRIVE – 22
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7. Lift and loosen the thumbscrew that secures the drive cover plate and remove the
plate:
2
1
3
8. Using the pull tab, carefully lift the faulty drive out of the enclosure:
Note: Though the drives are labeled Drive A and Drive B, it is
their enclosure locations that determine the drive
designations used by the WD Drive Utilities software.
As you view them from the front of the enclosure:
The drive in the . . . enclosure slot
Is drive . . .
Left
A
B
Right
Switching the drives from one enclosure slot to the
other would have no impact on the operation of your
My Book Thunderbolt Duo device or the WD Drive
Utilities software. If you do that, just remember that
regardless of the label on the drive, the status and
configuration of:
•
“Drive A” refers to the drive in the left enclosure
slot
•
“Drive B” refers to the drive in the right enclosure
slot
REPLACING A DRIVE – 23
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9. Gently slide the replacement drive assembly into the enclosure until it is fully
inserted:
10. Replace the drive cover plate and secure it with the thumbscrew:
3
1
2
Note: Do not overtighten the thumbscrew.
REPLACING A DRIVE – 24
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11. Close the top cover and firmly push down on the top cover button until it snaps into
place:
1
2
12. If the WD Drive Utilities software is not already running, click Go > Applications >
13. Reconnect the AC adapter cable to the power connector on the back of the device
enclosure.
14. Reconnect the Thunderbolt cables.
15. Depending on the configuration of your device:
If your device is configured as . . . THEN . . .
A striped RAID 0 disk array
The Finder listing and desktop icon for your
My Book Thunderbolt Duo device do not
reappear. In this case:
a. If you have more than one supported device
connected to your computer, select the one
with the drive you replaced on the WD Drive
Utilities screen and click RAID Management
> Status to display the device status.
b. Verify that the status display shows:
•
•
•
Current Configuration - Stripe
RAID Status - Offline
Drive A Status and Drive B Status -
Unknown for the drive that you replaced
and Online for the other drive
This indication means that you must
reconfigure your striped RAID 0 disk array.
(Continued)
REPLACING A DRIVE – 25
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If your device is configured as . . . THEN . . .
A striped RAID 0 disk array (continued) c. Click Configuration to display the volume
dialog for reconfiguring the RAID array.
d. Use the device configuration procedure in
striped RAID 0 disk array.
e. When the reconfiguration completes, the
Finder listing and desktop icon for your
My Book Thunderbolt Duo device reappear.
f. Click Status and verify that the status display
shows:
•
•
•
•
Current Configuration - Stripe
RAID Status - Online
Drive A Status - Online
Drive B Status - Online
Your device is ready to use.
A mirrored RAID 1 disk array
a. Verify that the Finder listing and desktop icon
for your My Book Thunderbolt Duo device
reappear.
b. If you have more than one supported device
connected to your computer, select the one
with the drive you replaced on the WD Drive
Utilities screen and click RAID Management
> Status to display the device status.
c. Verify that the status display shows:
•
•
•
Current Configuration - Mirror
RAID Status - Degraded
Drive A Status and Drive B Status -
Rebuilding for the drive that you replaced
and Online for the other drive
This indication means that the WD Drive
Utilities software is rebuilding your mirrored
RAID 1 disk array.
d. Wait for the rebuild operation to complete.
This could take several hours.
e. When the rebuild operation completes, the
device status display shows:
•
•
•
•
Current Configuration - Mirror
RAID Status - Online
Drive A Status - Online
Drive B Status - Online
Your device is ready to use.
(Continued)
REPLACING A DRIVE – 26
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If your device is configured as . . . THEN . . .
JBOD
a. Verify that the Finder listing and desktop icon
for the My Book Thunderbolt Duo drive that
you did not replace reappear.
The Finder listing and desktop icon for the
new/replacement drive do not appear
because you have to format it using the
WD Drive Utilities Drive Erase function.
b. If you have more than one supported device
connected to your computer, select the one
with the drive you replaced on the WD Drive
Utilities screen and click Drive Erase to
display the Drive Erase dialog.
to erase/reformat the replacement drive.
CAUTION! Make sure you select the
check box for the replacement drive.
d. When the erase/reformat operation
completes, verify that the Finder listing and
desktop icon for replacement drive reappear.
Your replacement drive is ready to use.
•
•
7 for information about downloading and restoring the WD software and disk image
8644 for information about returning the defective drive.
Important: Do not disassemble the internal drive and attached assembly components.
Return the entire internal drive assembly intact to WD.
REPLACING A DRIVE – 27
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Compliance and Warranty Information
A
This appendix includes the following topics:
Regulatory Compliance
FCC Class B Information
This device has been tested and found to comply with the limits of a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This unit
generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio or television
reception. However, there is no guarantee that interference will not occur in a particular
installation. Any changes or modifications not expressly approved by WD could void the
user's authority to operate this equipment.
ICES/NMB-003 Compliance
Cet appareil de la classe B est conforme à la norme NMB-003 du Canada.
This device complies with Canadian ICES-003 Class B.
Safety Compliance
Approved for US and Canada. CAN/CSA-C22.2 No. 60950-1, UL 60950-1: Safety of
Information Technology Equipment.
Approuvé pour les Etats-Unis et le Canada. CAN/CSA-C22.2 No. 60950-1: Sûreté
d'équipement de technologie de l'information.
This product is intended to be supplied by a listed limited power source, double
insulated, or direct plug-in power unit marked “Class 2.”
CE Compliance for Europe
Marking by the CE symbol indicates compliance of this system to the applicable Council
Directives of the European Union, including the EMC Directive (2004/108/EC) and the
Low Voltage Directive (2006/95/EC). A “Declaration of Conformity” in accordance with
the applicable directives has been made and is on file at Western Digital Europe.
GS Mark (Germany only)
Machine noise - regulation 3. GPSGV: Unless declared otherwise, the highest level of
sound pressure from this product is 70db(A) or less, per EN ISO 7779.
Maschinenlärminformations-Verordnung 3. GPSGV: Der höchste Schalldruckpegel
beträgt 70 db(A) oder weniger gemäß EN ISO 7779, falls nicht anders gekennzeichnet
oder spezifiziert.
COMPLIANCE AND WARRANTY INFORMATION – 28
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GNU General Public License (“GPL”)
Firmware incorporated into this product may include third party copyrighted software
licensed under the GPL or Lesser General Public License ("LGPL") (collectively, “GPL
Software”) and not Western Digital’s End User License Agreement. In accordance with
the GPL, if applicable: 1) the source code for the GPL Software may be downloaded at
within three years of the date of purchase; 2) you may re-use, re-distribute, and modify
the GPL Software; 3) with respect solely to the GPL Software, no warranty is provided, to
the extent permitted by applicable law; and 4) a copy of the GPL is included herewith,
support.wdc.com/download/gpl. Modification of or tampering with the Software,
including but not limited to any Open Source Software, is solely at your own risk.
Western Digital is not responsible for any such modification or tampering. Western
Digital will not support any product in which you have or have attempted to modify the
Software supplied by Western Digital.
KC Notice (Republic of Korea only)
B
(B )
(
)
,
Environmental Compliance (China)
᳝↦᳝ᆇ⠽䋼
ܗ ㋴ 䚼ӊৡ⿄
݁Ӌ䫀 (Cr6+
)
䪙 (Pb) 䥬 (Cd) ∲ (Hg)
⒈㘨㣃 (PBB) ⒈Ѡ㣃䝮 (PBDE)
O
O
O
O
O
O
O
O
O
O
O
O
O
X
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
ࣙ 㺙义 ࣙ 㺙 ܝ ᇐㅵ ⬉⑤ᣝ䪂
HDD ᠬᶊ
EMI
Ͼᗻ
࣪ ᵓᴤ Kensington 䫕ᣝ䬂
㶎ϱ 6-32x6.35mm
㶎ϱ M3x5mm+5W
ൖⳈᬃ㛮
ޣ 䳛ᶊ ॄ
ࠊ ᵓ㺙䜡 (PCA)* ⹀Ⲭ
O
O
O
⬉㓚㒘ӊ
⬉⑤䗖䜡఼
⬉⑤㒓
* ॄ
ࠊ ᵓ㺙䜡ࣙ ᣀ᠔᳝ॄࠋ ⬉䏃ᵓ (PCB) ঞ݊ⳌᑨⱘϾ㒘ӊǃIC ঞ䖲఼DŽ Oዖ㸼⼎ℸ䚼ӊ᠔⫼ⱘ᠔᳝ഛ䋼ᴤ᭭Ё
ࣙ ⱘℸ᳝↦᳝ᆇ⠽ԢѢ MCV ᷛޚ Ёⱘ䰤ࠊ 㽕∖DŽ Xዖ㸼⼎ℸ䚼ӊ᠔⫼ⱘഛ䋼ᴤ᭭Ё㟇ᇥ᳝ϔ⾡ᴤ᭭
ࣙ ⱘℸ᳝↦᳝ᆇ⠽催Ѣ MCV ᷛޚ Ёⱘ䰤ࠊ 㽕∖DŽ
ߎ ⦄ϔϾꢀĀ;āꢀⱘ᠔᳝ᚙމ ϟˈ:'ꢀ䞛⫼ᆍ䆌ⱘᥦ䰸DŽ COMPLIANCE AND WARRANTY INFORMATION – 29
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Warranty Information (All Regions Except Australia/
New Zealand)
Obtaining Service
WD values your business and always attempts to provide you the very best of service. If
this Product requires maintenance, either contact the dealer from whom you originally
purchased the Product or visit our product support website at http://support.wdc.com/
Authorization (RMA). If it is determined that the Product may be defective, you will be
given an RMA number and instructions for Product return. An unauthorized return (i.e.,
one for which an RMA number has not been issued) will be returned to you at your
expense. Authorized returns must be shipped in an approved shipping container,
prepaid and insured, to the address provided on your return paperwork. Your original
box and packaging materials should be kept for storing or shipping your WD product. To
conclusively establish the period of warranty, check the warranty expiration (serial
liability for lost data regardless of the cause, recovery of lost data, or data contained in
any Product placed in its possession.
Limited Warranty
WD warrants that the Product, in the course of its normal use, will for the term defined
below, be free from defects in material and workmanship and will conform to WD’s
specification therefor. The term of your limited warranty depends on the country in which
your Product was purchased. The term of your limited warranty is for 3 years in the
North, South and Central America region, 3 years in the Europe, the Middle East and
Africa region, and 3 years in the Asia Pacific region, unless otherwise required by law.
The term of your limited warranty period shall commence on the purchase date
appearing on your purchase receipt. WD shall have no liability for any Product returned if
WD determines that the Product was stolen from WD or that the asserted defect a) is not
present, b) cannot reasonably be rectified because of damage occurring before WD
receives the Product, or c) is attributable to misuse, improper installation, alteration
(including removing or obliterating labels and opening or removing external enclosures,
unless the product is on the list of limited user-serviceable products and the specific
alteration is within the scope of the applicable instructions, as found at http://
of someone other than WD. Subject to the limitations specified above, your sole and
exclusive warranty shall be, during the period of warranty specified above and at WD’s
option, the repair or replacement of the Product.
The foregoing limited warranty is WD’s sole warranty and is applicable only to products
sold as new. The remedies provided herein are in lieu of a) any and all other remedies
and warranties, whether expressed, implied or statutory, including but not limited to, any
implied warranty of merchantability or fitness for a particular purpose, and b) any and all
obligations and liabilities of WD for damages including, but not limited to accidental,
consequential, or special damages, or any financial loss, lost profits or expenses, or lost
data arising out of or in connection with the purchase, use, or performance of the
Product, even if WD has been advised of the possibility of such damages. In the United
States, some states do not allow exclusion or limitations of incidental or consequential
damages, so the limitations above may not apply to you. This warranty gives you
specific legal rights, and you may also have other rights which vary from state to state.
COMPLIANCE AND WARRANTY INFORMATION – 30
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Warranty Information (Australia/New Zealand)
Nothing in this warranty modifies or excludes your legal rights under the Australian
Competition and Consumer Act or the New Zealand Consumer Guarantees Act. This
warranty identifies WD's preferred approach to resolving warranty claims which is likely
to be quick and simple for all parties.
No other warranties either express or implied by law, including but not limited to those
contained in the Sale of Goods Act, are made with respect to the Product. If you
purchased your Product in New Zealand for the purposes of a business, you
acknowledge and agree that the New Zealand Consumer Guarantees Act does not
apply. In Australia, our goods come with guarantees that cannot be excluded under the
Australian Consumer Law. You are entitled to a replacement or refund for a major failure
and compensation for any other reasonably foreseeable loss or damage. You are also
entitled to have the goods repaired or replaced if goods fail to be of acceptable quality
and the failure does not amount to a major failure. What constitutes a major failure is set
out in the Australian Consumer Law.
Obtaining Service
WD values your business and always attempts to provide you the very best of service.
Should you encounter any problem, please give us an opportunity to address it before
returning this Product. Most technical support questions can be answered through our
not available or, if you prefer, please contact WD at the applicable telephone number
shown in the front of this document.
If you wish to make a claim, you should initially contact the dealer from whom you
originally purchased the Product. If you are unable to contact the dealer from whom you
originally purchased the Product, please visit our product support Web site at http://
support.wdc.com for information on how to obtain service or a Return Material
Authorization (RMA). If it is determined that the Product may be defective, you will be
given an RMA number and instructions for Product return. An unauthorized return (i.e.,
one for which an RMA number has not been issued) will be returned to you at your
expense. Authorized returns must be shipped in an approved shipping container,
prepaid and insured, to the address provided with your RMA number. If following receipt
of a qualifying claim under this warranty, WD or the dealer from whom you originally
purchased the Product determines that your claim is valid, WD or such dealer shall, at its
discretion, either repair or replace the Product with an equivalent or better Product or
refund the cost of the Product to you. You are responsible for any expenses associated
with a claim under this warranty. The benefits provided to you under this warranty are in
addition to other rights and remedies available to you under the Australian Competition
and Consumer Act or the New Zealand Consumer Guarantees Act.
Your original box and packaging materials should be kept for storing or shipping your
WD product. To conclusively establish the period of warranty, check the warranty
Western Digital Technologies, Inc.
3355 Michelson Drive, Suite 100
Irvine, California 92612
E-mail: [email protected]
COMPLIANCE AND WARRANTY INFORMATION – 31
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Warranty
WD warrants that the Product, in the course of its normal use, will for the term defined
below, be free from defects in material and workmanship and will conform to WD’s
specifications. The term of your warranty is 3 year in Australia and New Zealand, unless
otherwise required by law. The term of your warranty period shall commence on the
purchase date appearing on your purchase receipt from an authorized distributor or
authorized reseller. Proof of purchase shall be required to be eligible for this warranty
and to establish the commencement date of this warranty. Warranty service will not be
provided unless the Product is returned to an authorized distributor, authorized reseller
or regional WD return center where the Product was first shipped by WD. WD may at its
discretion make extended warranties available for purchase. WD shall have no liability
for any Product returned if WD determines that the Product was (i) not purchased from
an authorized distributor or authorized reseller, (ii) not used in accordance with WD
specifications and instructions, (iii) not used for its intended function, or (iv) stolen from
WD, or that the asserted defect a) is not present, b) cannot reasonably be rectified
because of damage occurring before WD receives the Product, or c) is attributable to
misuse, improper installation, alteration (including removing or obliterating labels and
opening or removing external enclosures, including the mounting frame, unless the
product is on the list of limited user-serviceable products and the specific alteration is
accident or mishandling while in the possession of someone other than WD.
PRODUCTS ARE COMPLEX AND FRAGILE ITEMS THAT MAY OCCASSIONALY FAIL
DUE TO (A) EXTERNAL CAUSES, INCLUDING WITHOUT LIMITATION,
MISHANDLING, EXPOSURE TO HEAT, COLD, AND HUMIDITY, AND POWER
FAILURES, OR (B) INTERNAL FAULTS. SUCH FAILURES CAN RESULT IN THE
LOSS, CORRUPTION, DELETION OR ALTERATION OF DATA. NOTE THAT YOU
SHALL BE RESPONSIBLE FOR THE LOSS, CORRUPTION, DELETION OR
ALTERATION OF DATA HOWSOEVER CAUSED, AND FOR BACKING UP AND
PROTECTING DATA AGAINST LOSS, CORRUPTION, DELETION OR ALTERATION.
YOU AGREE TO CONTINUALLY BACK UP ALL DATA ON THE PRODUCT, AND TO
COMPLETE A BACKUP PRIOR TO SEEKING ANY GENERAL SERVICE AND
TECHNICAL SUPPORT FROM WD.
In Australia, if the Product is not of a kind ordinarily acquired for personal, domestic or
household use or consumption, provided it is fair and reasonable to do so, WD limits its
liability to replacement of the Product or supply of equivalent or better Product.
This warranty shall extend to repaired or replaced Products for the balance of the
applicable period of the original warranty or ninety (90) days from the date of shipment of
a repaired or replaced Product, whichever is longer. This warranty is WD’s sole
manufacturer's warranty and is applicable only to Products sold as new.
COMPLIANCE AND WARRANTY INFORMATION – 32
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K
Index
KC notice (Republic of Korea) 29
Kensington security slot 5
Kit contents 2
A
L
B
Limited warranty information 30
Box contents 2
O
C
Online support, accessing ii
Operating system compatibility 3
Optional accessories 2
CAUTION
about disconnecting the system 20
about erasing the drives 16
China RoHS compliance 29
Compliance, regulatory 28
Configurations, RAID 1
Connecting the device 6
P
Physical description 3
Power adapter, changing 6
Power/activity LED 4
Precautions for handling the system 5
Product features 1
D
Device
compatibility 3
connecting 6
disk formats 3
drive diagnostics and status checks 11
drive erase function 16
features 1
Q
Quick drive test 11
R
RAID Management
handling precautions 5
hardware 2
Configuration dialog 13
Status display 12
registration 10
RAID modes 1
Diagnostics dialog 11
Disconnecting the system 20
Disk drive formats 3
Disk image, downloading and restoring 19
Drive replacement procedure 21
Drive Utilities
configuration, changing 13
status, checking 12
Registering the device 18
Registration dialog 19
Regulatory compliance 28
Replacing a drive 21
Restoring the software disk image 19
RoHS compliance 29
diagnostics function 10
S
S.M.A.R.T. status check 10
Safely dismounting drives 20
Safety compliance 28
Service and support, WD ii
E
Ejecting the drives 20
Environmental compliance, China 29
Erasing the drives 16
T
CAUTION about erasing the drives 16
Technical support, contacting ii
Thunderbolt cable 2
Thunderbolt ports 3
F
FCC information, class B 28
Full media scan 11
G
W
GNU General Public License 29
H
WD technical support, contacting ii
Handling precautions 5
INDEX – 33
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Information furnished by WD is believed to be accurate and reliable; however, no responsibility is assumed by WD for its use
nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by
implication or otherwise under any patent or patent rights of WD. WD reserves the right to change specifications at any time
without notice.
Western Digital, WD, the WD logo, and My Book are registered trademarks and My Book Thunderbolt and Data Lifeguard
are trademarks of Western Digital Technologies, Inc. Thunderbolt and the Thunderbolt logo are trademarks of Intel
Corporation in the U.S. and/or other countries. Other marks may be mentioned herein that belong to other companies.
© 2012 Western Digital Technologies, Inc. All rights reserved.
Western Digital
3355 Michelson Drive, Suite 100
Irvine, California 92612 U.S.A.
4779-705071-A02 Aug 2012
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