Re: Re: mdadm: raid not working after stop/reboot
From: Blagovest Bogoev (blagovest.bogoev_at_tumbleweed.com)
Date: 11/18/05
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Date: Fri, 18 Nov 2005 15:13:30 +0200 To: debian-user@lists.debian.org
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).
>
Just recreate initrd.img (man mkinitrd) after all RAID puzzle is done, reboot and be happy
--
Blagovest Bogoev (blagovest.bogoev@tumbleweed.com
QA Engineer
Tumbleweed Communications (www.tumbleweed.com <http://www.tumbleweed.com/> )
Sofia, Bulgaria
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