Solstice DiskSuite 4.2.1 Reference Guide

How Do Hot Spare Pools Work?

When errors occur, DiskSuite checks the hot spare pool for the first available hot spare whose size is equal to or greater than the size of the slice being replaced. If found, DiskSuite automatically resyncs the data. If a slice of adequate size is not found in the list of hot spares, the submirror or RAID5 metadevice that failed is considered errored. For more information, see Chapter 3, Hot Spare Pools.