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EMC Fibre Channel Storage Systems Configuration Planning Guide
Storage System Hardware
Figure 5-8 Storage System with Two SPs Connected to the Same Server
Figure 5-9 Storage System with Two SPs Connected to Different Servers
Either SP can control any LUN in the storage system, but only one SP
at a time can control a LUN. If one SP cannot access a LUN it
controlled (because of a failure), you can transfer control of the LUN
to the other SP, manually or via software.
Server
Cables
FC loop 1
FC loop 2
Storage system
DAE(s)
Adapter
Adapter
DPE
SP A
SP B
FC loop 1
FC loop 2
Highly available cluster
Storage system
DAE(s)
Adapter
Adapter
Server 2Server 1
Adapter
Adapter
DPE
SP A
SP B