On Mon, Aug 22, 2022 at 9:57 AM George R Goffe via users <users@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
Hi,
I started getting i/o error messages accessing this filesystem so I rebooted the system. This might have been the wrong thing to do. This subsequent boot went to maintenance mode due the filesystem's path being in /etc/fstab.
I need some help with this please. Here is what mount says:
mount /dev/sda6 /opt.
kernel: BTRFS info (device sda6): flagging fs with big metadata feature
kernel: BTRFS info (device sda6): disk space caching is enabled
kernel: BTRFS info (device sda6): has skinny extents
kernel: BTRFS error (device sda6): parent transid verify failed on 148312850432 wanted 73476 found 73484
See: kernel: https://wiki.tnonline.net/w/Btrfs/Parent_Transid_Verify_Failed for explanation
TLDNR: bad news, but btrfs experts may be able to help with recovery. The article does
describe some information you should collect before asking for help. I would add that
you should check the hardware: cables, drive S.M.A.R.T status. dodgy power supply on
external drives, etc.
kernel: BTRFS error (device sda6): failed to read block groups: -5
kernel: BTRFS error (device sda6): open_ctree failed
--
George N. White III
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