Am 07.04.2012 19:45, schrieb 'Chris Hall':
> Reindl Harald wrote (on Sat 07-Apr-2012 at 16:22 +0100):
>> Am 07.04.2012 17:10, schrieb 'Chris Hall':
>>>
>>> I have a /home partition which is set up as a Software RAID1,
>>> using /dev/md0.
>>>
>>> When I reboot the /dev/md0 fails to come up cleanly. So far it
>>> has come back each time, but nearly every time it comes up with one
>>> of the two members of the RAID array missing. I can mdadm /dev/md0
>>> --re-add /dev/sdb3 -- and all is apparently well again. But I have
>>> this partition as RAID for a reason, and it scares the bejazus out
>>> of me each time :-(
>>>
>>> Any clues as to what spells I have failed to cast?
>
>> that was discussed several times and is a bug you can workaround
>> easy
>> as you see below all raid-uuids are passed with "rd_MD_UUID=" as
>> additional kernel-parameters, after that this will not happen again
>
> Thanks for the suggestion. I fiddled with /etc/default/grub so that it says:
>
> GRUB_CMDLINE_LINUX="rd.md.uuid=4f1c8224:cab0d0b2:f3ea7c36:7853abb8 rd.lvm=0
> rd.dm=0 ....."
>
> replacing an "rd.md=0" which was there before. That generates the following
> in grub.cfg:
>
> menuentry 'Fedora Linux, with Linux 3.3.0-8.fc16.x86_64' --class fedora
> --class gnu-linux --class gnu --class os {
> .....
> linux /vmlinuz-3.3.0-8.fc16.x86_64
> root=UUID=76b8f7f4-f9ba-47cb-9a4b-ac0ad8c33b8a ro
> rd.md.uuid=4f1c8224:cab0d0b2:f3ea7c36:7853abb8 rd.lvm=0 rd.dm=0 quiet
> SYSFONT=latarcyrheb-sun16 rhgb KEYTABLE=uk rd.luks=0 LANG=en_US.UTF-8
>
> Unfortunately, this has not helped. The /dev/md0 came up with just one half
> running. All the stuff in the /var/log/messages which appears relevant:please post your /etc/default/grub, /etc/mdadm.conf and /boot/grub2/grub.cfg and do not strip content you may think it is not important, it could and maybe someone sees the problem if you do not hide it
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