I plan to enable inline data compaction but the volume already has large amuont of data. Does data compaction act on the existing data?
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It is inline process, activated whilst data is being written to the storage system, so will have no effect on already stored data:
Okay, turns out, with ONTAP 9.1 this command (in advanced privilege) will compact existing data:
cluster::*> volume efficiency start -vserver <svm> -volume <volume> -scan-old-data true -compaction true
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