I'm running Debian Wheezy (Linux wheezy3.2.0-4-amd64 #1 SMP Debian 3.2.63-2+deb7u1 x86_64 GNU/Linux) as an encrypted LVM with hardware raid 1 (Adaptec 6405E) on a supermicro server.I was encounting the following errors during the the kernel update:Running depmod.Examining /etc/kernel/postinst.d.run-parts: executing /etc/kernel/postinst.d/initramfs-tools 3.2.0-4-amd64 /boot/vmlinuz-3.2.0-4-amd64update-initramfs: Generating /boot/initrd.img-3.2.0-4-amd64run-parts: executing /etc/kernel/postinst.d/zz-update-grub 3.2.0-4-amd64 /boot/vmlinuz-3.2.0-4-amd64error: unknown LVM metadata header.error: unknown LVM metadata header.Generating grub.cfg ...Found linux image: /boot/vmlinuz-3.2.0-4-amd64Found initrd image: /boot/initrd.img-3.2.0-4-amd64error: unknown LVM metadata header.error: unknown LVM metadata header.error: unknown LVM metadata header.error: unknown LVM metadata header.  Incorrect metadata area header checksum on /dev/sda1 at offset 4096doneHere is the output for pvdisplay, vgdisplay, lvdisplay, df, pvs, lvs, vgs:root@wheezy:~# pvdisplay -v    Scanning for physical volume names  Incorrect metadata area header checksum on /dev/sda1 at offset 4096  --- Physical volume ---  PV Name               /dev/dm-0  VG Name               wheezy  PV Size               111.37 GiB / not usable 2.00 MiB  Allocatable           yes (but full)  PE Size               4.00 MiB  Total PE              28510  Free PE               0  Allocated PE          28510  PV UUID               8DEe3m-NaQC-mRia-cMfv-OO2O-Foog-XXTLeU  /dev/sda1 is a new physical volume of 243.00 MiB  --- NEW Physical volume ---  PV Name               /dev/sda1  VG Name  PV Size               243.00 MiB  Allocatable           NO  PE Size               0  Total PE              0  Free PE               0  Allocated PE          0  PV UUID               fnKsgr-KC2h-inYi-jhli-YFil-edTh-RsRTzKroot@wheezy:~# vgdisplay -v    Finding all volume groups  Incorrect metadata area header checksum on /dev/sda1 at offset 4096    Finding volume group wheezy  --- Volume group ---  VG Name               wheezy  System ID  Format                lvm2  Metadata Areas        1  Metadata Sequence No  10  VG Access             read/write  VG Status             resizable  MAX LV                0  Cur LV                3  Open LV               3  Max PV                0  Cur PV                1  Act PV                1  VG Size               111.37 GiB  PE Size               4.00 MiB  Total PE              28510  Alloc PE / Size       28510 / 111.37 GiB  Free  PE / Size       0 / 0  VG UUID               nq8fye-SpVe-cHrd-AM99-YWdA-7SPp-L3S2Hm  --- Logical volume ---  LV Path                /dev/wheezy/SWAP  LV Name                SWAP  VG Name                wheezy  LV UUID                VbC1TX-2Ppz-1003-VFqU-0o0X-otwu-qy5Xam  LV Write Access        read/write  LV Creation host, time wheezy, 2014-11-24 16:36:55 +0000  LV Status              available  # open                 2  LV Size                7.45 GiB  Current LE             1907  Segments               1  Allocation             inherit  Read ahead sectors     auto  - currently set to     256  Block device           254:1  --- Logical volume ---  LV Path                /dev/wheezy/TMP  LV Name                TMP  VG Name                wheezy  LV UUID                btQknc-WeBv-q2xA-dhz0-GsqR-G2hn-gKwCh0  LV Write Access        read/write  LV Creation host, time wheezy, 2014-11-24 16:37:05 +0000  LV Status              available  # open                 1  LV Size                10.79 GiB  Current LE             2761  Segments               1  Allocation             inherit  Read ahead sectors     auto  - currently set to     256  Block device           254:2  --- Logical volume ---  LV Path                /dev/wheezy/base  LV Name                base  VG Name                wheezy  LV UUID                dWD7ro-ACQ6-04O2-rKd2-iMCe-HddW-kX1mt6  LV Write Access        read/write  LV Creation host, time wheezy, 2014-11-24 16:37:13 +0000  LV Status              available  # open                 1  LV Size                93.13 GiB  Current LE             23842  Segments               1  Allocation             inherit  Read ahead sectors     auto  - currently set to     256  Block device           254:3  --- Physical volumes ---  PV Name               /dev/dm-0  PV UUID               8DEe3m-NaQC-mRia-cMfv-OO2O-Foog-XXTLeU  PV Status             allocatable  Total PE / Free PE    28510 / 0root@wheezy:~# lvdisplay -v    Finding all logical volumes  Incorrect metadata area header checksum on /dev/sda1 at offset 4096  --- Logical volume ---  LV Path                /dev/wheezy/SWAP  LV Name                SWAP  VG Name                wheezy  LV UUID                VbC1TX-2Ppz-1003-VFqU-0o0X-otwu-qy5Xam  LV Write Access        read/write  LV Creation host, time wheezy, 2014-11-24 16:36:55 +0000  LV Status              available  # open                 2  LV Size                7.45 GiB  Current LE             1907  Segments               1  Allocation             inherit  Read ahead sectors     auto  - currently set to     256  Block device           254:1  --- Logical volume ---  LV Path                /dev/wheezy/TMP  LV Name                TMP  VG Name                wheezy  LV UUID                btQknc-WeBv-q2xA-dhz0-GsqR-G2hn-gKwCh0  LV Write Access        read/write  LV Creation host, time wheezy, 2014-11-24 16:37:05 +0000  LV Status              available  # open                 1  LV Size                10.79 GiB  Current LE             2761  Segments               1  Allocation             inherit  Read ahead sectors     auto  - currently set to     256  Block device           254:2  --- Logical volume ---  LV Path                /dev/wheezy/base  LV Name                base  VG Name                wheezy  LV UUID                dWD7ro-ACQ6-04O2-rKd2-iMCe-HddW-kX1mt6  LV Write Access        read/write  LV Creation host, time wheezy, 2014-11-24 16:37:13 +0000  LV Status              available  # open                 1  LV Size                93.13 GiB  Current LE             23842  Segments               1  Allocation             inherit  Read ahead sectors     auto  - currently set to     256  Block device           254:3root@wheezy:~# df -hFilesystem                   Size  Used Avail Use% Mounted onrootfs                        92G   25G   63G  28% /udev                          10M     0   10M   0% /devtmpfs                        3.2G  1.3M  3.2G   1% /run/dev/mapper/wheezy-base   92G   25G   63G  28% /tmpfs                        5.0M  4.0K  5.0M   1% /run/locktmpfs                        6.3G     0  6.3G   0% /run/shm/dev/sda1                    228M   30M  187M  14% /boot/dev/mapper/wheezy-TMP    11G  172M   10G   2% /tmproot@wheezy:~# pvs  Incorrect metadata area header checksum on /dev/sda1 at offset 4096  PV         VG         Fmt  Attr PSize   PFree  /dev/dm-0  wheezy lvm2 a--  111.37g      0  /dev/sda1             lvm2 a--  243.00m 243.00mroot@wheezy:~# vgs  Incorrect metadata area header checksum on /dev/sda1 at offset 4096  VG         #PV #LV #SN Attr   VSize   VFree  wheezy   1   3   0 wz--n- 111.37g    0root@wheezy:~# lvs  Incorrect metadata area header checksum on /dev/sda1 at offset 4096  LV   VG         Attr     LSize  Pool Origin Data%  Move Log Copy%  Convert  SWAP wheezy -wi-ao--  7.45g  TMP  wheezy -wi-ao-- 10.79g  base wheezy -wi-ao-- 93.13gWhat would be the best workaround to fix the corrupted metadata header?I have an identical machine (same hardware, same partitions, same wheezy installation, same apt sources) running without any problems.The second machine doesn't have this output in the pvdislay-command:  /dev/sda1 is a new physical volume of 243.00 MiB  --- NEW Physical volume ---  PV Name               /dev/sda1  VG Name  PV Size               243.00 MiB  Allocatable           NO  PE Size               0  Total PE              0  Free PE               0  Allocated PE          0  PV UUID               fnKsgr-KC2h-inYi-jhli-YFil-edTh-RsRTzK
Corrupt LVM metadata header after kernel update
debian;linux kernel;lvm