[root@x mapper]# dmsetup create sanraw << EOF > 0 204800 linear /dev/sda2 0
> EOF
[root@x mapper]# ls

[root@x mapper]# dmsetup create sanraw << EOF > 0 204800 striped 2 128 /dev/sda2 0 /dev/sda3 0
> EOF
[root@x mapper]# ls

[root@x mapper]# dmsetup ls –tree
sanraw (253:3)
ââ (8:2)
sandisk1 (253:5)
ââ (8:5)
VolGroup00-LogVol02 (253:1)
ââ (3:2)
VolGroup00-LogVol01 (253:2)
ââ (3:2)
VolGroup00-LogVol00 (253:0)
ââ (3:2)
data-datasan1 (253:4)
ââ (8:1)

[root@x mapper]# ls -la /dev/sda*
brw-r—– 1 root disk 8, 0 Mar 19 12:15 /dev/sda
brw-r—– 1 root disk 8, 1 Mar 19 18:23 /dev/sda1
brw-r—– 1 root disk 8, 2 Mar 20 01:45 /dev/sda2
brw-r—– 1 root disk 8, 3 Mar 19 12:15 /dev/sda3
brw-r—– 1 root disk 8, 4 Mar 19 12:15 /dev/sda4
brw-r—– 1 root disk 8, 5 Mar 19 12:15 /dev/sda5
brw-r—– 1 root disk 8, 6 Mar 19 12:15 /dev/sda6
brw-r—– 1 root disk 8, 7 Mar 19 12:15 /dev/sda7
[root@x mapper]#

Check disk UUID:

blkid /dev/sda1

dmsetup create sandisk2 -u “mapper-cf96e037-a88d-48ec-8dc6-8b3b616896c3″ –notable