5
5-10
EMCFib re Channel Storage Systems ConfigurationPlanning Guid e
Storage System Hardware
Figure5-8 Storage System with Two SPs Connected to the Same Server
Figure5-9 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