btrfs rescue

Try to recover a damaged btrfs filesystem.

• 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 when `mknod` is not installed:

sudo btrfs rescue create-control-device

Copyright © 2014—present the tldr-pages team and contributors.

This work is licensed under the Creative Commons Attribution 4.0 International License (CC-BY).