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Re: [linux-lvm] Incorrect metadata area header checksum



Eckhard Kosin wrote:
Hi all,

I just reordered my disk space:  shrunk /dev/hda6, created a new
partition /dev/hda10 with this new space and added /dev/hda10 to the
existing volume group vg_uhu00.  After that I could boot and all seems
to be fine. but running vgscan I get

root uhu:/home/ecki/backup/uhu# vgscan
  Reading all physical volumes.  This may take a while...
  Incorrect metadata area header checksum
  Incorrect metadata area header checksum
  Couldn't find device with uuid 'Cm961g-X5km-ifdU-r0Cp-ACmd-N9qG-XcieTR'.
  Couldn't find all physical volumes for volume group vg_uhu00.
  Incorrect metadata area header checksum
  Couldn't find device with uuid 'Cm961g-X5km-ifdU-r0Cp-ACmd-N9qG-XcieTR'.
  Couldn't find all physical volumes for volume group vg_uhu00.
  Incorrect metadata area header checksum
  Incorrect metadata area header checksum
  Couldn't find device with uuid 'Cm961g-X5km-ifdU-r0Cp-ACmd-N9qG-XcieTR'.
  Couldn't find all physical volumes for volume group vg_uhu00.
  Incorrect metadata area header checksum
  Couldn't find device with uuid 'Cm961g-X5km-ifdU-r0Cp-ACmd-N9qG-XcieTR'.
  Couldn't find all physical volumes for volume group vg_uhu00.
  Volume group "vg_uhu00" not found

Some additional information:

I'm running Ubuntu 6.06 (dapper)

root uhu:/home/ecki/backup/uhu# uname -a
Linux uhu 2.6.15-51-386 #1 PREEMPT Thu Dec 6 20:20:49 UTC 2007 i686 GNU/Linux

root uhu:/home/ecki/backup/uhu# apt-show-versions lvm2
lvm2/dapper uptodate 2.02.02-1ubuntu1.5

root uhu:/home/ecki/backup/uhu# fdisk -ul

Disk /dev/hda: 40.0 GB, 40007761920 bytes
255 heads, 63 sectors/track, 4864 cylinders, total 78140160 sectors
Units = sectors of 1 * 512 = 512 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/hda1   *          63    14329979     7164958+   7  HPFS/NTFS
/dev/hda2        14329980    78140159    31905090    f  W95 Ext'd (LBA)
/dev/hda5        23438898    25993169     1277136   82  Linux swap / Solaris
/dev/hda6        25993233    38443544     6225156   83  Linux
/dev/hda7        42556248    42684704       64228+  83  Linux
/dev/hda8        42684768    78140159    17727696   8e  Linux LVM
/dev/hda9        14330106    23438834     4554364+  83  Linux
/dev/hda10       38443608    42556184     2056288+  83  Linux

Partition table entries are not in disk order

The volume group vg_uhu00 uses the partitions /dev/hda8, /dev/hda9 and
/dev/hda10 and, I believe, but I'm not sure, /dev/hda5 (swap
partition).  I can't check, because lvdisplay gives the same output as vgscan above.

I have a line

  filter = [ "r|/dev/cdrom|", "r|/dev/hda[1,6,7]|" ]

Is there any particular reason your modifying the filter setting? Generally you shouldn't need to modify it, except for a few special situations.

Can you attach /etc/lvm/archive/vg_uhu00 ? The file will contain an entry showing which device "Cm961g-X5km-ifdU-r0Cp-ACmd-N9qG-XcieTR" is likely to correspond to. Is it rejected by your filter setting?

If, when using the default filter setting, you still receive the "Couldn't find device with uuid Cm961g-X5km-ifdU-r0Cp-ACmd-N9qG-XcieTR'" messages, then you've made an error when resizing the partitions.

--Dave


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