On 01/09/16 12:19, John Crisp wrote: >> But John wrote: >> >>> There was an issue with the BBWC on the RAID >> >> So it is likely that more than this is damaged (what happened exactly?)... >> > > Extremely unlikely.
Hmmm... well after further investigation we don't think it was the BBWC issue. It seems that the engineers went above and beyond the call of duty. The initial problem reported was that df -h didn't show the 5.45 Tb expected. The user who checked did not realise that thin volumes do not show up like that. So the engineers went to look for the 'missing' disk space, found the BBWC was bad, replaced it and then decided to do some investigations on where the missing space was. Just found this in the bash history... my guess the volume is toast.... any suggestions welcome ! B. rgds John mount /dev/mapper/pve-data /mnt fsck /dev/mapper/pve-data lvchange --help lvchange --resync lvchange --resync /dev/mapper/pve-data lvchange -t /dev/mapper/pve-data lvchange -a /dev/mapper/pve-data --metadataprofile /dev/mapper/pve-data_rmeta lvchange -a pve-data --metadataprofile /dev/mapper/pve-data_rmeta ls -a /dev/mapper/ ls -la /dev/mapper/ lvchange -a pve-data --metadataprofile /dev/mapper/pve-data_tmeta dmesg | grep lv dmesg | grep data fsck /dm-5 pvscan vgchange -ay pve vgcfgrestore pve lsblk -o lvdisplay | grep UUID lsblk -o nEYeJ4-J9R9-cWBm-GMMo-AkRr-4kqx-t7WsuW lsblk -o +nEYeJ4-J9R9-cWBm-GMMo-AkRr-4kqx-t7WsuW lsblk -o +uuid mount /dev/mapper/pve-data-tpool /mnt mount /dev/mapper/pve-data-tpool /mnt -f ls /mnt df -h mount umount /mnt umount /dev/mapper/pve-data-tpool reboot thin_dump --repair /dev/mapper/pve-data_tmeta lsblk -o lsblk -o +uuid lvchange -ay lvchange -ay pve lsblk -o +uuid mount /dev/mapper/pve-data /mnt dmesg | tail thin_check /dev/mapper/pve-data_tmeta lvconvert --repair vg/pve lvconvert --repair pve/data reboot
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