The disk delete command deletes a LUN. The LUN must be connected (mapped to a Windows drive letter or mount point) for the command to succeed.
sdcli disk delete -p \\133.25.61.62\sd_vds_only\mktng.lun
The preceding example deletes the LUN mktng.lun from the sd_vds_only volume on the storage system identified by the IP address 133.25.61.62.
sdcli disk delete -d \\?\Volume{f1816466-f1d8-4b96-b547-2ce12415aee4}\
The preceding example specifies the CSV volume name to delete a CSV disk.
sdcli disk delete -d C:\ClusterStorage\Volume8
The preceding example specifies the CSV reparse point to delete a CSV disk.