# dmraid -x ddf1_RAID0_3

About to delete RAID set ddf1_RAID0_3

WARNING: The metadata stored on the raidset(s) will not be accessible after deletion
Do you want to continue ? [y/n] :y
ERROR: Raid set deletion is not supported in "ddf1" format

# dmsetup remove /dev/mapper ddf1_RAID0_3
Device mapper not found
Command failed.


# wipefs -a /dev/sda
/dev/sda: 4 bytes were erased at offset 0x11774195e00 (ddf_raid_member): de 11 de 11
/dev/sda: 2 bytes were erased at offset 0x000001fe (dos): 55 aa
/dev/sda: calling ioclt to re-read partition table: Success