Bug 452366 - initrd doesn't start all the raid devices.
initrd doesn't start all the raid devices.
Product: Fedora
Classification: Fedora
Component: mkinitrd (Show other bugs)
All Linux
low Severity high
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Assigned To: Peter Jones
Fedora Extras Quality Assurance
Depends On:
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Reported: 2008-06-21 11:14 EDT by Kamal Shaker
Modified: 2009-07-14 12:10 EDT (History)
4 users (show)

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Doc Type: Bug Fix
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Last Closed: 2009-07-14 12:10:38 EDT
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Description Kamal Shaker 2008-06-21 11:14:22 EDT
Description of problem:

  The /init script in the initrd contains the line:
  mdadm -As --auto=yes --run /dev/md0

  At no point after this does it attempt to start any other raid devices (md1,
md2 etc)

  Should it not use mdadm --assemble --scan (as /etc/mdadm.conf is included in
the initrd)

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1. Create initrd on machine with two raid devices
Actual results:

Second and subsequent raid devices aren't started.

Expected results:

All raid devices should be started at some point

Additional info:

Not sure if this should be logged again mkinitrd, kernel or mdadm?

Only work around is to boot to single user mode, start the arrays and mount the
filesystems by hand, before continuing boot process.
Comment 1 loic 2009-02-08 17:37:48 EST

I ran on the same problem with FC10 (all updates done with yum). /boot and / are on two ATA disks (*) on a RAID-1 scheme (md0 and md1 respectively). /home is on two SCSI disks (Adaptec 2940 U2W, aic7xxx kernel module) again on a RAID-1 (md2).
At boot time, after checking / and /boot, the rc.sysinit fails on /home at the fsck step, telling he can find filesystem information on md2.
The problem comes from the fact that the aic7xxx module is NOT loaded at the moment where the fsck is performed. So the partitionning on the SCSI disks is unknown and the fsck fails.
I can't see where the system would know he has to load aic7xxx, since there is not modules.conf file.
The solution is therefore to recreate the initrd with the aic7xxx driver by using "mkinitrd --with=aic7xxx ...". The fsck then works fine and the boot completes.
Of course, this is a workaround, since the goal of the initrd is only to ensure that / is loaded before init is started.
But that was the simpliest/nicest solution I found.

(*) BTW : I don't understand the need to rename ATA devices as sd<x> ; hd<x> was fine ...
Comment 2 Bug Zapper 2009-06-09 21:43:18 EDT
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Comment 3 Bug Zapper 2009-07-14 12:10:38 EDT
Fedora 9 changed to end-of-life (EOL) status on 2009-07-10. Fedora 9 is 
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