I just did a fresh install (not upgrade) of Precise Server 64-bit on a
six 1.5TB RAID5 setup and I'm getting the same errors again.
$ sudo pvck /dev/md0
Found label on /dev/md0, sector 1, type=LVM2 001
Found text metadata area: offset=4096, size=2617344
$ sudo vgck -v HTPC
Using volume group(s) on command line
Finding volume group "HTPC"
$ sudo update-grub
error: unknown LVM metadata header.
error: unknown LVM metadata header.
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.
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.
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.
Found linux image: /boot/vmlinuz-3.2.0-24-generic
Found initrd image: /boot/initrd.img-3.2.0-24-generic
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.
Found linux image: /boot/vmlinuz-3.2.0-23-generic
Found initrd image: /boot/initrd.img-3.2.0-23-generic
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.
error: unknown LVM metadata header.
error: unknown LVM metadata header.
Found memtest86+ image: /boot/memtest86+.bin
done
$ sudo mdadm --detail /dev/md0
/dev/md0:
Version : 1.2
Creation Time : Mon Apr 30 21:41:04 2012
Raid Level : raid5
Array Size : 7325678080 (6986.31 GiB 7501.49 GB)
Used Dev Size : 1465135616 (1397.26 GiB 1500.30 GB)
Raid Devices : 6
Total Devices : 6
Persistence : Superblock is persistent
Update Time : Mon Apr 30 22:59:13 2012
State : active, resyncing
Active Devices : 6
Working Devices : 6
Failed Devices : 0
Spare Devices : 0
Layout : left-symmetric
Chunk Size : 512K
Resync Status : 0% complete
Name : htpc:0 (local to host htpc)
UUID : 25f65ca0:f80f7b06:4f94157c:0b27a779
Events : 5
Number Major Minor RaidDevice State
0 8 1 0 active sync /dev/sda1
1 8 17 1 active sync /dev/sdb1
2 8 33 2 active sync /dev/sdc1
3 8 49 3 active sync /dev/sdd1
4 8 65 4 active sync /dev/sde1
5 8 81 5 active sync /dev/sdf1
No mention of any checksum errors or anything along those lines.
The six disks were setup with a RAID partition on each, creating one
7.5TB RAID volume over which LVM was added.
The only thing about this setup is that five out of the six disks are
recycled from a previous mdadm setup with LVM. I did not run pvremove on
any of the drives prior to the install.
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https://bugs.launchpad.net/bugs/452350
Title:
Unknown LVM metadata header
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