btrfs rescue
Try to recover a damaged btrfs filesystem. More information: https://btrfs.wiki.kernel.org/index.php/Manpage/btrfs-rescue.
- Rebuild the filesystem metadata tree (very slow):
sudo btrfs rescue chunk-recover {{path/to/partition}}
- Fix device size alignment related problems (e.g. unable to mount the filesystem with super total bytes mismatch):
sudo btrfs rescue fix-device-size {{path/to/partition}}
- Recover a corrupted superblock from correct copies (recover the root of filesystem tree):
sudo btrfs rescue super-recover {{path/to/partition}}
- Recover from an interrupted transactions (fixes log replay problems):
sudo btrfs rescue zero-log {{path/to/partition}}
- Create a
/dev/btrfs-control
control device whenmknod
is not installed:sudo btrfs rescue create-control-device
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