11/19/2023 0 Comments Fsutil disabledeletenotifyStarting in Data ONTAP 8.2 7-Mode, a change was implemented that required space_alloc option be enabled on a LUN for it to advertise support for, and accept SCSI UNMAP commands. For Data ONTAP 7-Mode in the 8.1 release family, no configuration change was required to enable SCSI UNMAP.How to enable/disable the feature in Data ONTAP ![]() Windows operating systems utilize in-band UNMAP in following versions:.Data ONTAP utilizes SCSI in-band UNMAP in following versions:.What versions of Windows and ONTAP work well with in-band SCSI UNMAP ![]() Typically, this is performed by storage arrays due to load on the system, and as such it is possible to not always reclaim all of the expected blocks during an UNMAP operation.
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