On Thu, Feb 08, 2007, David Härdeman wrote: > dmsetup / cryptsetup both fail to create a mapping on top of a raid > device (/dev/md0 in this case). I don't know where the error lies, but I created two loop devices loop0 and loop1, added them to a new RAID 1 md0 device, and ran cryptsetup on the resulting md0 successfully. bee:~# dmsetup ls ... crypt0 (253, 6) bee:~# dmsetup table crypt0 0 65408 crypt aes-cbc-plain 42cfa211018ea492fdee45ac637b7972a0ad687380f9a6d0484900ad8cca2d8f 0 9:0 0 bee:~# mdadm --detail /dev/md0 ... Number Major Minor RaidDevice State 0 7 0 0 active sync /dev/loop0 1 7 1 1 active sync /dev/loop1 -- Loïc Minier <lool@xxxxxxxx> -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel