Red Hat Bugzilla – Bug 253677
mdadm does not find raid at boot-time
Last modified: 2008-06-16 22:12:24 EDT
Description of problem:
mdadm does not find raid at boot-time.
I created a raid-5-array with anaconda, added later other devices and all worked
Version-Release number of selected component:
# mdadm --version
mdadm - v2.6.2 - 21st May 2007
After a reboot mdadm gives an error:
> Red Hat nash 6.0.9 starting
> insmod: error inserting '/lib/raid456.ko': -1 File exists
> mdadm: no devices found for /dev/md1
> Reading all physical volumes. This may take a while...
> No volume groups found
> Volume group "vg_raid" not found
> Unable to access resume device (/dev/vg_raid/lv_fedora_root)
Booting form the rescue-disc works without any problem, the raid is accessible.
The solution to this is to remove the kernel and re-install.
I found it here:
Removing and reinstalling the kernel isn't the real fix. It's just that
removing and reinstalling the kernel forces a rebuild of the initrd, and it's
the rebuilding of the initrd that solves the problem. My guess is that during
installation a broken initrd image is built, probably due to package ordering or
something like that. I'm reassigning this to the anaconda component.
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