spare disk drives are not introduced if the SplitArray Resolution flag is set to
Secondary (secondary disk drives only are being used), the HotSpareSplits flag is set
to off, and all the primary disk drives and the other adapter are not visible.
Three types of array management problems can cause an array to be in the Offline
state to the using system:
vOne half of the array is not present.
vThe adapter is not known to the remaining half of the array.
vThe split and join procedure was not performed correctly.
This section describes those problems, gives examples of possible causes, and
recommends recovery actions.
One Half of the Array Is Not Present
This condition produces SRN 48750.
This type of problem can be caused by:
vDisk drive failure
vPower failure in the using system
vCommunication problems between two systems on the SSAnetwork
Chapter8. Split-Site Management 195
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