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[linux-lvm] LVM issue? Checksum warning



OK, when I boot the system, it shows something like Volume group "meta..blah" not found. Several messages like this went by fast so I don't exactly remember.
Can anyone point me to the right direction? The system seem to work fine. But these messages does not comfort my boss.
Following are some outputs to fdisk and
LVM commands

[root localhost ~]# fdisk -l
Disk /dev/hda: 40.0 GB, 40020664320 bytes
255 heads, 63 sectors/track, 4865 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/hda1 * 1 4864 39070048+ 7 HPFS/NTFS

Disk /dev/hdb: 40.0 GB, 40020664320 bytes
255 heads, 63 sectors/track, 4865 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/hdb1 * 1 13 104391 83 Linux
/dev/hdb2 14 242 1839442+ 82 Linux swap / Solaris
/dev/hdb3 243 4865 37134247+ 83 Linux
[root localhost ~]# lvmdiskscan
/dev/hda1 [ 37.26 GB]
/dev/hdb1 [ 101.94 MB]
Incorrect metadata area header checksum
/dev/hdb2 [ 1.75 GB] LVM physical volume
/dev/hdb3 [ 35.41 GB]
0 disks
3 partitions
0 LVM physical volume whole disks
1 LVM physical volume
[root localhost ~]# pvdisplay
Incorrect metadata area header checksum
Incorrect metadata area header checksum
Incorrect metadata area header checksum
Incorrect metadata area header checksum
--- NEW Physical volume ---
PV Name /dev/hdb2
VG Name
PV Size 37.17 GB
Allocatable NO
PE Size (KByte) 0
Total PE 0
Free PE 0
Allocated PE 0
PV UUID 0SmZ7P-44BI-Ls4s-lR2V-Q4Bo-Ah0p-CxWUYe

[root localhost ~]# lvs
Incorrect metadata area header checksum
[root localhost ~]# lvscan
Incorrect metadata area header checksum
[root localhost ~]# pvscan
Incorrect metadata area header checksum
Incorrect metadata area header checksum
Incorrect metadata area header checksum
PV /dev/hdb2 lvm2 [37.17 GB]
Total: 1 [37.17 GB] / in use: 0 [0 ] / in no VG: 1 [37.17 GB]
[root localhost ~]# vgck
Incorrect metadata area header checksum
[root localhost ~]# vgdisplay
Incorrect metadata area header checksum
[root localhost ~]# vgscan
Reading all physical volumes. This may take a while...
Incorrect metadata area header checksum
[root localhost ~]#


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