Good afternoon, I'm asking for help in recovering damaged metadata after a 220V drop on the server, when the power was restored and the server booted up, I got an error in the Proxmox panel
Check of pool pve/data failed (status:1). Manual repair required! then booted from LiveCD debian mounted corrupted metadata and tried to repair root@debian:/home/user# lvchange -ay /dev/pve/data_tdata Do you want to activate component LV in read-only mode? [y/n]: y Allowing activation of component LV. root@debian:/home/user# lvs LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert vm-102-disk-0 local-hdd-volume1-pve1 -wi-a----- 50.00g vm-103-disk-0 local-hdd-volume1-pve1 -wi-a----- 250.00g vm-104-disk-0 local-hdd-volume1-pve1 -wi-a----- 150.00g vm-108-disk-0 local-hdd-volume1-pve1 -wi-a----- 20.00g vm-109-disk-0 local-hdd-volume1-pve1 -wi-a----- 160.00g vm-110-disk-0 local-hdd-volume1-pve1 -wi-a----- 20.00g base-101-disk-0 pve Vri---tz-k 20.00g data base-105-disk-0 pve Vri---tz-k 15.00g data data pve twi---tz-- <858.97g root pve -wi-a----- 30.00g snap_vm-106-disk-0_Installed pve Vri---tz-k 15.00g data snap_vm-106-disk-0_Installed_CspAndVipnet pve Vri---tz-k 15.00g data swap pve -wi-a----- 8.00g vm-100-disk-0 pve Vwi---tz-- 20.00g data vm-100-disk-1 pve Vwi---tz-- 60.00g data vm-102-disk-0 pve Vwi---tz-- 20.00g data vm-103-disk-0 pve Vwi---tz-- 30.00g data vm-104-disk-0 pve Vwi---tz-- 25.00g data vm-106-disk-0 pve Vwi---tz-- 15.00g data snap_vm-106-disk-0_Installed_CspAndVipnet vm-107-disk-0 pve Vwi---tz-- 20.00g data vm-108-disk-0 pve Vwi---tz-- 30.00g data vm-109-disk-0 pve Vwi---tz-- 35.00g data vm-110-disk-0 pve Vwi---tz-- 20.00g data root@debian:/home/user# vgs VG #PV #LV #SN Attr VSize VFree local-hdd-volume1-pve1 1 6 0 wz--n- 3.27t <2.64t pve 1 17 0 wz--n- <930.50g <16.00g root@debian:/home/user# ls -la /dev/mapper/ | grep -v vm total 0 drwxr-xr-x 2 root root 240 Mar 29 17:48 . drwxr-xr-x 19 root root 3700 Mar 29 17:48 .. crw------- 1 root root 10, 236 Mar 29 17:35 control lrwxrwxrwx 1 root root 7 Mar 29 17:48 pve-data_tdata -> ../dm-2 lrwxrwxrwx 1 root root 7 Mar 29 17:35 pve-root -> ../dm-1 lrwxrwxrwx 1 root root 7 Mar 29 17:35 pve-swap -> ../dm-0 root@debian:/home/user# thin_dump --repair /dev/mapper/pve-data_tdata > repaired.xml The following field needs to be provided on the command line due to corruption in the superblock: transaction id root@debian:/home/user# thin_check /dev/mapper/pve-data_tdata examining superblock superblock is corrupt bad checksum in superblock, wanted 2018675394 however, I don’t know how to specify the transaction id and, most importantly, what id - where to find it Kernel Version: Linux 5.15.30-2-pve #1 SMP PVE 5.15.30-3 (Fri, 22 Apr 2022 18:08:27 +0200) PVE Manager Version: pve-manager/7.2-3/c743d6c1
_______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://listman.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/