DELL SC5020F User Manual

Setting Up a Dell SC5020 and SC5020F Storage System  
1
Before You Begin  
2
3
Mount the Chassis and Optional Enclosures  
Install the Front Bezel  
1. Hold the bezel with the logo upright.  
Warning! The chassis is heavy. Do not attempt to lift the chassis  
without assistance.  
Warning! Before you set up and operate your Dell storage system, review the safety instructions that came with the  
storage system.  
2. Hook the right end of the bezel into the right side of the chassis.  
3. Swing the left end of the bezel toward the left side of the chassis.  
4. Press the bezel into place until the release latch closes.  
5. Use the key to lock the front bezel.  
Use the racking instructions included with your package to mount the chassis.  
Unpack Storage Center Equipment  
Develop a Configuration Plan  
An SC5020 and SC5020F storage system includes:  
Before installing the storage hardware, develop a configuration plan where you can record host  
server information, switch information, and network information.  
Mount the storage system chassis and expansion enclosures in a manner that allows  
for expansion in the rack and prevents the rack from becoming top-heavy. Secure the  
storage system chassis to the rack using the mounting screws that are located behind  
the latches on each chassis ear. Dell recommends mounting the storage system chassis  
in the bottom of the rack.  
Documentation  
Storage system with drives  
Rack rails  
Record System Information  
System management IPv4 address for Storage Center  
IPv4 address of the MGMT port on each storage controller  
Domain name  
USB cables (2)  
Power cables (2)  
Front bezel  
DNS server address  
Additional IPv4 addresses if the storage system has iSCSI I/O ports  
Consider Plans for Multipath/Failover  
Redundancy is provided by fault domains, which allow alternate paths if a path fails. Fault  
domains are determined by the number of independent Fibre Channel fabrics or iSCSI networks.  
Each switch carries a separate fault domain. If a port fails, any port within the same fault domain  
takes over for the failed port. Dell recommends using multipathing, so that volumes are mapped  
to ports in more than one fault domain.  
More Information  
For operating system, host bus adapter (HBA), and switch requirements, rFor a list of supported  
HBA or NIC drivers and firmware, refer to the Dell Storage Compatibility Matrix located in the  
Knowledge Base at www.dell.com/support.  
4
5
Connect to Management Network  
Cable the Host Servers to the Storage System  
The SC5020 storage system supports Fibre Channel, iSCSI, or SAS protocols to connect the Storage Center to host servers. The SC5020F storage system supports Fibre Channel or iSCSI protocols to connect the Storage Center to host servers.  
Fault domains provide fault tolerance at the storage controller level. If you are using Fibre Channel, incorporate your switch zoning strategy with the fault domains. Use redundant cabling to avoid a single point of failure.  
The Ethernet management interface of each storage controller must be  
connected to a management network. The Ethernet management port  
provides access to the Storage Center and is used to send emails, alerts,  
SNMP traps, and support data.  
1. Identify the protocol being used to connect the host servers to the storage system.  
2. Refer to the diagram below that corresponds to the proper protocol. These cabling guidelines ensure the configuration has redundancy and failover capability. For more information, contact Dell Technical Support.  
1. Connect the Ethernet management port on the top storage  
controller to the Ethernet switch.  
Fibre Channel and iSCSI HBA Cabling  
Install the Fibre Channel or iSCSI HBAs in the host servers and connect the host servers and storage  
system to the corresponding Fibre Channel or Ethernet switches.  
iSCSI Mezzanine Card Cabling  
If the storage system includes an iSCSI mezzanine card, connect the  
host servers and storage system to Ethernet switches.  
SAS HBA Cabling  
Install the SAS HBAs in the host servers and directly connect the  
host servers to the storage system.  
2. Connect the Ethernet management port on bottom storage  
controller to the Ethernet switch.  
Fibre Channel 4 Port Configuration  
iSCSI 4 Port Configuration  
iSCSI 4 Port Mezzanine Card Configuration  
NOTE: The SC5020F storage system does not support  
front-end SAS connectivity.  
1. Connect each host server to the two Ethernet switches.  
– Connections shown in orange belong to fault domain 1.  
– Connections shown in blue belong to fault domain 2.  
2. Connect fault domain 1 (in orange) to switch 1.  
Top storage controller: port 1 to switch 1  
SAS 4 Port Configuration  
1. For Fibre Channel 4 Port configurations, install Fibre  
Channel HBAs into the host servers.  
1. Install SAS HBAs in the host servers.  
For iSCSI 4 Port configurations, install iSCSI HBAs or  
network interface controllers (NICs) dedicated for iSCSI  
traffic into the host servers.  
2. Connect fault domain 1 (in orange) to server 1.  
Top storage controller: port 1 to port on server 1  
– Bottom storage controller: port 1 to port on server 1  
Top storage controller: port 3 to switch 1  
– Bottom storage controller: port 1 to switch 1  
– Bottom storage controller: port 3 to switch 1  
2. Connect each host server to the two switches.  
– Connections shown in orange belong to fault domain 1.  
– Connections shown in blue belong to fault domain 2.  
3. Connect fault domain 2 (in blue) to server 2.  
Top storage controller: port 2 to port on server 2  
– Bottom storage controller: port 2 to port on server 2  
3. Connect fault domain 2 (in blue) to switch 2.  
Top storage controller: port 2 to switch 2  
Top storage controller: port 4 to switch 2  
– Bottom storage controller: port 2 to switch 2  
– Bottom storage controller: port 4 to switch 2  
3. Connect fault domain 1 (in orange) to switch 1.  
Top storage controller: port 1 to switch 1  
Top storage controller: port 3 to switch 1  
– Bottom storage controller: port 1 to switch 1  
– Bottom storage controller: port 3 to switch 1  
4. Connect fault domain 3 (in gray) to server 3.  
Top storage controller: port 3 to port on server 3  
– Bottom storage controller: port 3 to port on server 3  
5. Connect fault domain 4 (in red) to server 4.  
Top storage controller: port 4 to port on server 4  
– Bottom storage controller: port 4 to port on server 4  
4. Connect fault domain 2 (in blue) to switch 2.  
Top storage controller: port 2 to switch 2  
Top storage controller: port 4 to switch 2  
– Bottom storage controller: port 2 to switch 2  
– Bottom storage controller: port 4 to switch 2  
Fibre Channel 2 Port Configuration  
iSCSI 2 Port Configuration  
1. For Fibre Channel 2 Port configurations, install Fibre  
Channel HBAs into the host servers.  
For iSCSI 2 Port configurations, install iSCSI HBAs or  
NICs dedicated for iSCSI traffic into the host servers.  
2. Connect each host server to the two switches.  
– Connections shown in orange belong to fault domain 1.  
– Connections shown in blue belong to fault domain 2.  
3. Connect fault domain 1 (in orange) to switch 1.  
Top storage controller: port 1 to switch 1  
– Bottom storage controller: port 1 to switch 1  
4. Connect fault domain 2 (in blue) to switch 2.  
Top storage controller: port 2 to switch 2  
– Bottom storage controller: port 2 to switch 2  

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