Migrations - Accusys ExaSAN User Manual

5. RAID
3. The Main array information screen will indicate that the array is currently under expansion.

4.1.7.4 Migrations

Different from Expansion, which enlarges an array by adding hard drives to a fixed RAID level,
Migration changes the RAID level of an array. It allows live changes to the RAID without the
need to delete the array and rebuild. This can be useful when new drives have been added, and
a new array type needs to be created.
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