Re: mdadm: raid not working after stop/reboot
On (29/06/05 08:25), Kristian Rink wrote:
> Hi Mike;
>
> and, at first, thanks loads for your mail.
>
> michael@etalon.net schrieb:
>
> > I found it easier not use the mdadm.conf file at all. I simply deleted
> > it.
> > However, without it, your partitions and/or disks that are going to be
> > used in your raid array must be fdisk'd to type "fd" or Linux Raid
> > autodetect.
> >
> Yeah, I read about this and did this,all partitions to be used within
> the array are type "FD". Even though this doesn't seem to change anything.
>
> > Then create your array, format it, mount it, set it in /etc/fstab and
> > reboot.
> > It should work. Perhaps give us some details of your /proc/mdstat or
> > try hunting through dmesg to see if there any errors when the array is
> > trying to be built upon a boot up.
>
> I'm hardly able to do any diagnostics on that since the information I
> get is pretty limited. Basically, I created the array, xfs-formatted it,
> put it into fstab and mounted it - worked well. Umounting, remounting
> and everything worked as long as the array was running. After rebooting,
> the array seemed gone. I don't get any useful error messages, just an
> "XFS SB error" when trying to mount the array (which is not running at
> this time), and when I try to start the array (mdadm -R /dev/md0), I
> just get something like "/dev/md0 has no devices" (though the real
> behaviour and message changes differing with the kernel version used).
>
I had a similar issue a while back and found that I had varying levels
of success with different kernels. This one works:
2.6.8-2-686 but I recall having trouble with the install i386 kernel.
A long shot but worth trying a different kernel.
Regards
Clive
--
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