Bug 312541 - will never find driver for spare raid device
will never find driver for spare raid device
Product: Fedora
Classification: Fedora
Component: mkinitrd (Show other bugs)
All Linux
low Severity low
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Assigned To: Peter Jones
Fedora Extras Quality Assurance
Depends On:
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Reported: 2007-09-29 15:59 EDT by Curtis Doty
Modified: 2009-01-08 23:55 EST (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2009-01-08 23:55:20 EST
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Description Curtis Doty 2007-09-29 15:59:59 EDT
The bug is this line:

    devs=$(awk "/^$1[	 ]*:/ { print
gensub(\"[[0-9]*]\",\"\",\"g\",gensub(\"^md.*raid[0-9]*\",\"\",\"1\")) }"

If you have this raid setup:

md1 : active raid1 sdc2[2](S) sda2[0] sdb2[1]
      10490368 blocks [2/2] [UU]

It looks like mkinitrd may fail to find the driver for sdc as demonstrated by
this debugging output:

# bash -x /sbin/mkinitrd -v -f initrd-missing-driver-for-raid-spare.cpio.gz
2.6.23-0.214.rc8.git2.fc8PAE 2>&1 |grep -C1 sdc
++ awk '/^md1[	 ]*:/ { print
gensub("[[0-9]*]","","g",gensub("^md.*raid[0-9]*","","1")) }' /proc/mdstat
+ devs=' sdc(S) sda sdb'
+ for level in '$levels'
+ start=1
+ findstoragedriver 'sdc(S)' sda sdb
+ for device in '$@'
+ case " $handleddevices " in
+ handleddevices=' md1 sdc(S)'
+ [[ sdc(S) =~ md[0-9]+ ]]
+ vecho 'Looking for driver for device sdc(S)'
+ '[' 'Looking for driver for device sdc(S)' == -n ']'
+ '[' -n -v ']'
+ echo 'Looking for driver for device sdc(S)'
Looking for driver for device sdc(S)
+ [[ sdc(S) =~ ^mapper/ ]]
++ findone -type d /sys/block -name 'sdc(S)'
++ echo nash-find -type d /sys/block -name 'sdc(S)'
++ /sbin/nash --force --quiet

Of course that's an oddball corner case where the spare device would have to be
using a totally different driver than all the other active devices. But I've
done far more wicked things with remote block devices etc. :-/
Comment 1 Bug Zapper 2008-11-26 02:53:12 EST
This message is a reminder that Fedora 8 is nearing its end of life.
Approximately 30 (thirty) days from now Fedora will stop maintaining
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Comment 2 Bug Zapper 2009-01-08 23:55:20 EST
Fedora 8 changed to end-of-life (EOL) status on 2009-01-07. Fedora 8 is 
no longer maintained, which means that it will not receive any further 
security or bug fix updates. As a result we are closing this bug.

If you can reproduce this bug against a currently maintained version of 
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