SATA Raid controller failure - luns unmountable
I've just had a controller failure in a dual controller SATA disk array.
The redundant second controller is still functioning and all of the disks are available. However, the server,a RHEL3 update 5, system, can't mount 2 of the 4 luns because it can't use the original device paths, /dev/sdg1 and /dev/sdh1. What do I need to do to be able to remount the luns? |
The following process worked for me:
While the server was still up and running, I unmounted the 2 remaining luns. I then modified the fstab so that none of the luns would mount at boot, and disabled the service which would use the luns at boot. Then I rebooted both controllers in the disk array and was fortunate enough to have both controllers come back up. I then rebooted the server and was able to fsck all 4 luns, after which I was able to mount all 4 luns, start up the disabled service, and put the server back into full service. |
All times are GMT -5. The time now is 09:29 AM. |