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Commands for managing read reallocation

Use the volume modify and volume show commands to manage read reallocation.

If you want to... Use this command...
Enable read reallocation on a volume volume modify with the -read-realloc parameter set to on or space-optimized
Note: space-optimized conserves space if you have Snapshot copies, but it can result in degraded read performance of Snapshot copies. space-optimized also rearranges the shared blocks in a deduplicated volume, where as on does not.
Disable read reallocation on a volume volume modify with the -read-realloc parameter set to off
Identify whether read reallocation is enabled or disabled on volumes volume show -fields read-realloc

For more information, see the man pages.