On Wed, 24 Aug 2005 16:31:37 +0200 Jukka Salmi <[EMAIL PROTECTED]> wrote:
> Clive Menzies --> debian-user (2005-08-24 15:08:11 +0100): > > On (24/08/05 15:53), Jukka Salmi wrote: > > > Clive Menzies --> debian-user (2005-08-24 14:22:39 +0100): > > > > On (24/08/05 14:45), Jukka Salmi wrote: > > > > > a Debian 3.1 system which uses md devices for all its file systems and > > > > > swap was reset by a power failure. On startup, the root file systems > > > > > md device failed to configure and is in degraded mode now. I think the > > > > > failed device is probably fine, but md configuration failed due to > > > > > parity errors or similar. After skimming through mdadm(8)'s man page > > > > > I still can't figure out what I need to do now, so help is > > > > > appreciated. > > > > > > > > What is the output of: > > > > > > > > $ cat /proc/mdstat > > > > > > Sorry, I forgot to add that... > > > > > > $ cat /proc/mdstat > > > Personalities : [raid1] > > > md0 : active raid1 hda1[0] hdb1[1] > > > 62400 blocks [2/2] [UU] > > > > > > md2 : active raid1 hda3[0] > > > 39107264 blocks [2/1] [U_] > > > > > > md1 : active raid1 hda2[0] hdb2[1] > > > 976640 blocks [2/2] [UU] > > > > > > unused devices: <none> > > > > Have you tried something like: > > > > $ mdadm /dev/md2 -a /dev/hdb3 > > No. Unfortunately it's a production system, hence I'm a little bit > cautious with "trying" things... So, considering md2 is used as the > root file system device, is adding hdb3 to it as you describe dangerous? > What exactly does this command do? Does it also start reconstruction > onto hdb3? As you notice, I'm not familiar with Linux software RAID > at all... You should start syncing hdb3 or exit with error. David -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]