Re: is my raid1 array really working??
On Tue, Sep 18, 2007 at 08:05:34PM -0700, harland christofferson wrote:
> okay, this is what i have done:
>
> # umount /dev/hdc8
> # mdadm /dev/md4 --fail /dev/hdc8
> # mdadm /dev/md4 --remove /dev/hdc8
> # mdadm /dev/md4 --add /dev/hdc8
>
> cat-ed /proc/mdstat and see that it is resynching ...
> good news.
>
> now, part two of your suggestion ... unmounting
> /dev/hdaX partitions, editing fstab, and remounting.
>
> won't this cause my system to go belly up?
That's why I suggested doing it to the /tmp partition. In single-user
mode, nothing critical (if at all) should be using /tmp.
If that works, you should be able to do the same with everything else,
except for the remounting; just change the fstab and reboot.
>
>
> <snip>
>
> > remout /dev/hdb8 on /mnt and see if it is there.
> >
> > If so:
> >
> > unmount both /dev/hdb8 and /dev/hda8
> > edit /etc/fstab to point to the correct md array
> > remont /tmp
> > see if you have a functioning /tmp.
> >
> > If this works, then you have a strategy to attempt
> > from single-user
> > mode. If not, you'll have to think of something
> > else. At least these
> > are raid1 arrays.
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