Note:
This action is supported only on the ServeRAID-7t, ServeRAID-8i, and external storage enclosures (networked storage).
Use this action to assign one or more hot-spare drives to a logical drive. An assigned hot-spare drive is a dedicated spare: it is used only to rebuild the logical drive to which it is assigned. An unassigned hot-spare drive is "global": it can be used to rebuild any logical drive on the controller.
Note:
You cannot assign a hot-spare drive while a logical drive is being built or
modified (such as a logical drive migration).
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