oracleasm-support-2.1.5-1.el6.x86_64 doesnt work on OL 6.0 UEK
801534Feb 9 2011 — edited Feb 10 2011ASMlib keeps return "Instantiating disk: failed" while trying to create ASM disks. It happens on both Clariion and Symmetrix devices.
[root@sgelxha198 ~]# uname -a
Linux sgelxha198 2.6.32-100.28.5.el6.x86_64 #1 SMP Wed Feb 2 18:40:23 EST 2011
x86_64 x86_64 x86_64 GNU/Linux
[root@sgelxha198 ~]# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 6.0 (Santiago)
[root@sgelxha198 ~]# rpm -aq |grep oracleasm
oracleasm-support-2.1.5-1.el6.x86_64
[root@sgelxha198 ~]# syminq |grep mpath
/dev/mapper/mpatha DGC RAID 5 0531 160018CC 5242880
/dev/mapper/mpathb DGC RAID 3 0531 170018CD 5242880
/dev/mapper/mpathc DGC RAID 1 0531 180018CE 5242880
/dev/mapper/mpathd DGC RAID 10 0531 190018CF 5242880
/dev/mapper/mpathe DGC VRAID 0531 1A4CE9B7 104857600
/dev/mapper/mpathf DGC VRAID 0531 1B4CE9B7 104857600
/dev/mapper/mpathah EMC SYMMETRIX 5875 1600050000 N/A
/dev/mapper/mpathai EMC SYMMETRIX 5875 1600E44000 5280000
/dev/mapper/mpathaj EMC SYMMETRIX 5875 1600E45000 5280000
/dev/mapper/mpathak EMC SYMMETRIX 5875 1600E46000 5280000
/dev/mapper/mpathal EMC SYMMETRIX 5875 1600E47000 5280000
/dev/mapper/mpatham EMC SYMMETRIX 5875 1600E48000 5280000
[root@sgelxha198 ~]# ls -l /dev/mapper/*p1
lrwxrwxrwx. 1 root root 8 Feb 9 03:13
/dev/mapper/360060160f6102900507cc7b2c3f5df11p1 -> ../dm-16
lrwxrwxrwx. 1 root root 8 Feb 9 03:30 /dev/mapper/mpathahp1 -> ../dm-18
lrwxrwxrwx. 1 root root 8 Feb 9 03:30 /dev/mapper/mpathaip1 -> ../dm-23
lrwxrwxrwx. 1 root root 8 Feb 9 03:30 /dev/mapper/mpathajp1 -> ../dm-24
lrwxrwxrwx. 1 root root 8 Feb 9 03:30 /dev/mapper/mpathakp1 -> ../dm-25
lrwxrwxrwx. 1 root root 8 Feb 9 03:30 /dev/mapper/mpathalp1 -> ../dm-26
lrwxrwxrwx. 1 root root 8 Feb 9 03:30 /dev/mapper/mpathamp1 -> ../dm-27
lrwxrwxrwx. 1 root root 7 Feb 9 03:30 /dev/mapper/mpathap1 -> ../dm-8
lrwxrwxrwx. 1 root root 7 Feb 9 03:30 /dev/mapper/mpathbp1 -> ../dm-9
lrwxrwxrwx. 1 root root 8 Feb 9 03:30 /dev/mapper/mpathcp1 -> ../dm-10
lrwxrwxrwx. 1 root root 8 Feb 9 03:30 /dev/mapper/mpathdp1 -> ../dm-12
lrwxrwxrwx. 1 root root 8 Feb 9 03:30 /dev/mapper/mpathep1 -> ../dm-11
lrwxrwxrwx. 1 root root 8 Feb 9 03:30 /dev/mapper/mpathfp1 -> ../dm-13
[root@sgelxha198 log]# oracleasm status
Checking if ASM is loaded: yes
Checking if /dev/oracleasm is mounted: yes
[root@sgelxha198 log]#
[root@sgelxha198 ~]# oracleasm createdisk cxdisk /dev/mapper/mpathap1
Writing disk header: done
Instantiating disk: failed
Clearing disk header: done
[root@sgelxha198 ~]# oracleasm createdisk vmaxdisk /dev/mapper/mpathaip1
Writing disk header: done
Instantiating disk: failed
Clearing disk header: done
mpatha (360060160f6102900505745e1c3f5df11) dm-3 DGC,RAID 5
size=5.0G features='0' hwhandler='1 alua' wp=rw
|-+- policy='round-robin 0' prio=50 status=active
| `- 3:0:0:1 sdj 8:144 active ready running
`-+- policy='round-robin 0' prio=10 status=enabled
`- 2:0:0:1 sdb 8:16 active ready running
[root@sgelxha198 ~]# multipath -ll mpathai
mpathai (360000970000192602316533030453434) dm-17 EMC,SYMMETRIX
size=5.0G features='0' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=1 status=active
|- 2:0:1:1 sdr 65:16 active ready running
`- 3:0:1:1 sdq 65:0 active ready running