Database Software

Im newbie to ASMLIB ,the following mpath devices are being seen under /dev/mapper.Can i use /dev/mapper disks to stamp as asmlib disk or i have to use /dev/dm- disks?

and also the how the permission on the /dev/mapper devices are needed to be maintained across reboots?

Red Hat Enterprise MRG 1.3
Red Hat Enterprise Linux Server release 5.5 (Tikanga)

brw-rw---- 1 root disk 253, 5 Jan 11 11:12 mpath11
brw-rw---- 1 root disk 253, 6 Jan 11 11:12 mpath12
brw-rw---- 1 root disk 253, 7 Jan 11 11:12 mpath13
brw-rw---- 1 root disk 253, 8 Jan 11 11:12 mpath14
brw-rw---- 1 root disk 253, 9 Jan 11 11:12 mpath15
brw-rw---- 1 root disk 253, 10 Jan 11 11:12 mpath16
brw-rw---- 1 root disk 253, 11 Jan 11 11:12 mpath17
brw-rw---- 1 root disk 253, 12 Jan 11 11:12 mpath18
brw-rw---- 1 root disk 253, 13 Jan 11 11:12 mpath19
brw-rw---- 1 root disk 253, 14 Jan 11 11:12 mpath20
brw-rw---- 1 root disk 253, 15 Jan 11 11:12 mpath21
brw-rw---- 1 root disk 253, 16 Jan 11 11:12 mpath22
brw-rw---- 1 root disk 253, 17 Jan 11 11:12 mpath23
brw-rw---- 1 root disk 253, 18 Jan 11 11:12 mpath24
brw-rw---- 1 root disk 253, 19 Jan 11 11:12 mpath25
brw-rw---- 1 root disk 253, 20 Jan 11 11:12 mpath26
brw-rw---- 1 root disk 253, 21 Jan 11 11:12 mpath27
brw-rw---- 1 root disk 253, 23 Jan 11 11:12 mpath28
brw-rw---- 1 root disk 253, 25 Jan 11 11:12 mpath31
brw-rw---- 1 root disk 253, 24 Jan 11 11:12 mpath30
brw-rw---- 1 root disk 253, 22 Jan 11 11:12 mpath29
brw-rw---- 1 root disk 253, 26 Jan 11 11:12 mpath32
brw-rw---- 1 root disk 253, 27 Jan 11 11:12 mpath33
[oracle@lnx220 mapper]$ pwd
/dev/mapper

Thanks