An error occurs when performing a ESXi UNMAP from the ESX CLI: [root@esxi:~] esxcli storage vmfs unmap -l Datastore_Name Devices backing volume <uuid> do not support UNMAP VAAI status states: [root@es...An error occurs when performing a ESXi UNMAP from the ESX CLI: [root@esxi:~] esxcli storage vmfs unmap -l Datastore_Name Devices backing volume <uuid> do not support UNMAP VAAI status states: [root@esxi:~] esxcli storage core device vaai status get -d naa.6006016094602800e07xxxxxx VAAI Plugin Name: VMW_VAAIP_NETAPP ATS Status: supported In ONTAP, space allocation for the LUN is disabled: ::> lun show -vserver <vserver_name> -path <lun_path> -instance Volume Name: somevol LUN Name: thinlun