User's Manual

already assigned.
When a physical disk fails in a redundant virtual disk, the failed disk is rebuilt onto the hot spare. In this case, the controller firmware reassigns the slot
containing the failed disk as the hot spare. In this circumstance, a disk not previously assigned as a global hot spare becomes a hot spare through failure or
removal.
To ensure that the controller firmware always has a healthy physical disk as a global hot spare, do the following:
l When removing a physical disk that is assigned as a global hot spare, unassign the hot spare before removal and reassign another physical disk as the
global hot spare.
l Immediately replace any physical disk that has failed or been removed. This ensures that a healthy disk resides in a slot that the controller firmware
assumes is a hot spare.
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