IBM Advanced SerialRAID Adapters SA33-3285-02 User Manual page 218

Advanced serialraid adapters
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Dual-Host System with Only One System Switched On
Figure 31 shows a dual-host system that has just been switched on. The system
contains a RAID-1 array, but the primary disk drive is missing because system 1 in not
switched on. The array remains in the Offline state on both systems until either of the
following occurs:
v The primary disk drive becomes available.
v The Split Array Resolution flag is set to Secondary.
Split Array Resolution
= Primary
System 2
SSA Adapter
Secondary 1
Figure 31. Dual-Host System with Only One System Switched On
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User's Guide and Maintenance Information

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