[mythtv-users] OT Help: mdadm segfault

Steve MacLaren scram69 at gmail.com
Tue Sep 18 04:30:51 UTC 2007

On 9/17/07, John Drescher <drescherjm at gmail.com> wrote:
> > Sadly, I got the same "/dev/sd* has no superblock" regardless of which
> drive
> > I put first in the list.  So all 4 drives failed simultaneously?
> >
> You want to put all 4 drives with the correct partition. Are you sure
> it is /dev/sda and not /dev/sda1?
> Oops, I guess the right partition is important...

This time mdadm --assemble /dev/.static/dev/md0 /dev/sd*1 resulted in
something like:
"md0 assembled with 4 devices"
However, I don't get long to savor my success, because the machine reboots
within about 10 seconds of successfully assembling the raid array.  I tried
to assemble again after the reboot, and got the same exact results - I don't
even get enough time to type a mount command.

I guess this explains the continuous reboot loop I wound up in earlier.
What is it about just assembling an array that would cause a reboot?
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