[SOLVED] Unmountable BTRFS, and extent and rootfs check error
Hello all,
[Solved], see below, thanks @johnnie.black
History
I had a problem with "Unmountable BTRFS - No filesystem" on a (almost new, installed few weeks ago) array drive. I solved it with the help of this topic:
Basicaly I copy a mirror superblock to the main one.
root@Serveur:~# btrfs rescue super-recover -v /dev/mapper/md1 # reported all supers are valid and did not recover
root@Serveur:~# btrfs-select-super -s 1 /dev/mapper/md1 # to force us
Solved:
Here is what I did:
First error was reported in the gui after an unclean reboot:
Unmountable BTRFS - No filesystem
So I mounted array in maintenance mode and did:
root@Serveur:~# btrfs rescue super-recover -v /dev/mapper/md1 # reported all supers are valid and did not recover
root@Serveur:~# btrfs-select-super -s 1 /dev/mapper/md1 # to force using first mirror
The drive mounted but has been reconstructed...
After because I still had error repor