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• If a storage controller becomes unavailable, the virtual ports on the offline storage controller move to
physical ports on the other storage controller.
Steps
1. Connect each server to both iSCSI networks.
2. Connect fault domain 1 (shown in orange) to iSCSI network 1.
• Storage controller 1: port 1 to Ethernet switch 1
• Storage controller 2: port 1 to Ethernet switch 1
• Storage controller 1: port 3 to Ethernet switch 1
• Storage controller 2: port 3 to Ethernet switch 1
3. Connect fault domain 2 (shown in blue) to iSCSI network 2.
• Storage controller 1: port 2 to Ethernet switch 2
• Storage controller 2: port 2 to Ethernet switch 2
• Storage controller 1: port 4 to Ethernet switch 2
• Storage controller 2: port 4 to Ethernet switch 2
Example
Figure 38. Storage System with Dual 1 GbE Storage Controllers and Two Ethernet Switches
1. Server 1 2. Server 2
3. Ethernet switch 1 (Fault domain 1) 4. Ethernet switch 2 (Fault domain 2)
5. Storage system 6. Storage controller 1
7. Storage controller 2
Next steps
Install or enable MPIO on the host servers.
NOTE: After the Storage Center configuration is complete, run the host access wizard to configure
host server access and apply MPIO best practices. For the latest best practices, see the Dell Storage
Center Best Practices document located on the Dell TechCenter (http://en.community.dell.com/
techcenter/storage/).
Front-End Cabling
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