Re: Questions about software RAID level 1 (how long should it take to sync, etc?)
On 4/4/06, Stephen Gran <sgran@debian.org> wrote:
> This one time, at band camp, Mike Garey said:
> > Okay, I stopped the sync process by doing a sudo reboot. After the
> > reboot, I'm unable to boot from hdc1 which contains a copy of what was
> > on hda1 (and of course now hda1 is hosed).
>
> <snip>
>
> > .
> > Begin: Mounting root file system...
> > Begin: Running /scripts/local-top
> > Done.
> > ALERT! /dev/md0 does not exist. Dropping to a shell!
>
> My first advice is just to wait at that prompt for a few minutes, and
> then look in /dev. It can take a little while for the device node to be
> created, and the scripts aren't that smart about it. There has been
> some discussion about sleeping until md0 is created or some time limit
> expires, whichever comes first, but I haven't seen that implemented yet.
After the prompt, it drops me right into a busybox shell, and
/dev/md0 is never created (I've left the box on for the past hour or
so and nothing). What is it exactly that tells md to create a
/dev/md0? Or is this something that should automatically happen, as
long as the md module is loaded? And what is required to be able to
mount a hard drive on /dev/md0? Does the device type of the drive need
to be FD, or can it still be 83 (linux)? Thanks,
Mike
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