On Tue, 2003-11-25 at 14:09, list@xxxxxxxxxxxxxxx wrote: > Hi All, > Here is the problem that I am currently experiencing on a production server. I > have a Software RAID1 array that consists of two 36GB SCSI 160 drives. I cat'd > out /proc/mdstat and here is what was returned: > > Personalities : [raid1] > read_ahead 1024 sectors > md0 : active raid1 sdb1[1] > 32507392 blocks [2/1] [_U] > > md1 : active raid1 sdb2[1] > 2562240 blocks [2/1] [_U] > > unused devices: <none> > > The machine is still running, however it looks as if one of the drives has > failed. The machine has not been running very long, and I am not 100% sure if > the RAID array was ever running on both disks. Is there anyway to tell if a > drive has actually failed, or if the array has not been initialized. > > The array was constructed during the setup procedue, and the machine boots just > fine. Current uptime as of right now is around 29days. There are no messages > in /var/log/messages or /var/log/secure about a drive being down, but from the > Software RAID howto it looks as if the array is not working correctly. > > Any diagnostic steps that can be done without taking the machine down, as it is > currently a production level machine? First of all, make sure that you have a useable full backup. It looks like sda is probably down. What does your /etc/raidtab look like? Did you check /var/log/messages.[1-4]? You may be able to find when it went down there. Are the lights blinking on sda? Forrest -- -- Shrike-list mailing list Shrike-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/shrike-list
