@tombert, thats fine! thanks for the files! I have updated the summary
and bug title with the information you provided. Shall provide further
updates soon!
** Description changed:
Binary package hint: mdadm
Creating an mdadm array works fine:
mdadm --create /dev/md0 -n 3 -l5 /dev/sdb1
@tombert, I suggest you to do the following:
1) /usr/share/mdadm/mkconf
2) compare the output of step1 with the output of /etc/mdadm/mdadm.conf. If
your array definition is not found in
/etc/mdadm/mdadm.conf, then you will need to add this array definition manually
(using its uuids).
(* The
Thats a bit fast ... and misunderstood.
The raid array I'am using is not a bootable array - thus the initramfs etc.
makes no sense.
Second: raid is automatically reconstructed from the superblocks as soon as the
service starts - thus I do not need an mdadm.conf
regards
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[-UUIDudev] mdadm
Please put back this item from invalid to confirmed. thx
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[-UUIDudev] mdadm fails to assemble raid during boot
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@Surbhi
mdadm is supposed to be able to assemble arrays that are not explicitly
specified in the configuration file by scanning superblocks during bootup.
That's what this bug is about. Explicitly specifying arrays in mdadm.conf is
a workaround, not the solution.
On Wed, Sep 15, 2010 at 8:00 AM,
** Changed in: mdadm (Ubuntu)
Status: Invalid = Confirmed
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@Surbhi
when you go around changing many bug statuses you chould probably subscribe to
mdadm bug mail in general and be careful with changes.
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@tombert, have you tried booting using the Array definition in the
configuration file (/etc/mdadm/mdadm.conf?) Does that work for you? If
so, then can you add this fact to your summary? Thanks for that!
Also, can you please attach the output of the following (without your
ARRAY definition in
** Attachment added: mdstat
https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/541058/+attachment/1589579/+files/mdstat.txt
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** Attachment added: mdadm.sdb1.txt
https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/541058/+attachment/1589580/+files/mdadm.sdb1.txt
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** Attachment added: mdadm.sdc1.txt
https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/541058/+attachment/1589581/+files/mdadm.sdc1.txt
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** Attachment added: mdadm.sdd1.txt
https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/541058/+attachment/1589584/+files/mdadm.sdd1.txt
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** Attachment added: dmesg.txt
https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/541058/+attachment/1589585/+files/dmesg.txt
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** Attachment added: udevd.txt
https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/541058/+attachment/1589586/+files/udevd.txt
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... have you tried booting using the Array definition in the configuration file
(/etc/mdadm/mdadm.conf?) ...
yes this I tried as I remember correctly - its already half a year ago - please
don't be offended if I don't try this again cause I already have critical data
on my system.
I hope the
On looking at this further, I seem to only have that problem with a
drive-level RAID. A partition-level RAID will still inform the system
that the member partitions are not available for use.
Of course, automatic assembly still fails if the array isn't specified
in initrd's mdadm.conf. Sami's
I have been experiencing the same problem with a (non-root) RAID-1
array.
Ceg, I tried the workaround (building a proper mdadm.conf file and
putting it in initramfs). If I put the array information into
mdadm.conf, the array is built successfully during boot, HOWEVER, the
member partitions for
Does that workaround help?
Bug #469574 [-UUIDudev] new array not assembled correctly after reboot
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I meant the workaround in Bug #469574. Does it help without applying
Sami's?
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