[Bug 1033112] [NEW] error: unknown LVM metadata header

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I Upgraded to 12.10, and when grub ran through the upgrade it gave me
these errors:

  root at secure:/usr/share/grub# update-grub
  error: unknown LVM metadata header.
  error: unknown LVM metadata header.
  Generating grub.cfg ...
  error: unknown LVM metadata header.
  error: unknown LVM metadata header.
  error: unknown LVM metadata header.
  error: unknown LVM metadata header.
  error: unknown LVM metadata header.
  error: unknown LVM metadata header.
  error: unknown LVM metadata header.
  error: unknown LVM metadata header.
  ...

I haven't rebooted yet, scared that if I do, the pc won't boot
correctly.. how do I fix this?


WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.


WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util fdisk doesn't support GPT. Use GNU Parted.

Disk /dev/md0 doesn't contain a valid partition table
Disk /dev/mapper/ssdraid-root doesn't contain a valid partition table
Disk /dev/mapper/ssdraid-swap doesn't contain a valid partition table

Disk /dev/sda: 64.0 GB, 64023257088 bytes
255 heads, 63 sectors/track, 7783 cylinders, total 125045424 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1   125045423    62522711+  ee  GPT

Disk /dev/sdb: 64.0 GB, 64023257088 bytes
255 heads, 63 sectors/track, 7783 cylinders, total 125045424 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1   125045423    62522711+  ee  GPT

Disk /dev/md0: 60.0 GB, 59998877696 bytes
2 heads, 4 sectors/track, 14648163 cylinders, total 117185308 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000


Disk /dev/mapper/ssdraid-root: 58.0 GB, 57998835712 bytes
255 heads, 63 sectors/track, 7051 cylinders, total 113278976 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000


Disk /dev/mapper/ssdraid-swap: 1996 MB, 1996488704 bytes
255 heads, 63 sectors/track, 242 cylinders, total 3899392 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

root at secure:/usr/share/grub# df
Filesystem               1K-blocks    Used Available Use% Mounted on
/dev/mapper/ssdraid-root  56532304 4377872  49322460   9% /
udev                       8194832      12   8194820   1% /dev
tmpfs                      3281632     288   3281344   1% /run
none                          5120       0      5120   0% /run/lock
none                       8204080       0   8204080   0% /run/shm


mdadm: No md superblock detected on /dev/dm-1.
mdadm: No md superblock detected on /dev/dm-0.
mdadm: No md superblock detected on /dev/md/0.
mdadm: No md superblock detected on /dev/sda1.
/dev/sdb1:
          Magic : a92b4efc
        Version : 1.2
    Feature Map : 0x0
     Array UUID : f3758d48:a82098d6:4620e289:541cc15e
           Name : secure:0  (local to host secure)
  Creation Time : Sat Jul 21 04:34:41 2012
     Raid Level : raid1
   Raid Devices : 2

 Avail Dev Size : 117185453 (55.88 GiB 60.00 GB)
     Array Size : 117185308 (55.88 GiB 60.00 GB)
  Used Dev Size : 117185308 (55.88 GiB 60.00 GB)
    Data Offset : 2048 sectors
   Super Offset : 8 sectors
          State : active
    Device UUID : 0275e12c:3d14afa5:cd6a77fa:f79b0989

    Update Time : Sat Aug  4 00:15:10 2012
       Checksum : 5a051caa - correct
         Events : 37

  Device Role : Active device 1
   Array State : AA ('A' == active, '.' == missing)
/dev/sdb:
   MBR Magic : aa55
Partition[0] :    125045423 sectors at            1 (type ee)
/dev/sda2:
          Magic : a92b4efc
        Version : 1.2
    Feature Map : 0x0
     Array UUID : f3758d48:a82098d6:4620e289:541cc15e
           Name : secure:0  (local to host secure)
  Creation Time : Sat Jul 21 04:34:41 2012
     Raid Level : raid1
   Raid Devices : 2

 Avail Dev Size : 117185453 (55.88 GiB 60.00 GB)
     Array Size : 117185308 (55.88 GiB 60.00 GB)
  Used Dev Size : 117185308 (55.88 GiB 60.00 GB)
    Data Offset : 2048 sectors
   Super Offset : 8 sectors
          State : active
    Device UUID : 5677de18:cb8771d2:0011b22e:0d72e576

    Update Time : Sat Aug  4 00:15:10 2012
       Checksum : 94db0ed3 - correct
         Events : 37


   Device Role : Active device 0
   Array State : AA ('A' == active, '.' == missing)
/dev/sda:
   MBR Magic : aa55
Partition[0] :    125045423 sectors at            1 (type ee)


Logs: http://pastie.org/4389403

** Affects: grub (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bot-comment
-- 
error: unknown LVM metadata header
https://bugs.launchpad.net/bugs/1033112
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