Archive | December, 2016

Reclaim space on XtremIO with unmap

Like most of us, you are probably using thin-provisioned LUNS on your storage system.  If you’re using an all flash array (AFA), like EMC’s XtremIO, then you’re also probably using a pretty awesome in-line deduplicating and compressing storage system. I did not know until recently that unused storage blocks on a VMFS datastore are NOT automatically […]

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