e2undo

> Replay undo logs for an ext2/ext3/ext4 filesystem.

> This can be used to undo a failed operation by an e2fsprogs program.

Display information about a specific undo file:

e2undo -h {path/to/undo_file} {/dev/sdXN}

Perform a dry-run and display the candidate blocks for replaying:

e2undo -nv {path/to/undo_file} {/dev/sdXN}

Perform an undo operation:

e2undo {path/to/undo_file} {/dev/sdXN}

Perform an undo operation and display verbose information:

e2undo -v {path/to/undo_file} {/dev/sdXN}

Write the old contents of the block to an undo file before overwriting a file system block:

e2undo -z {path/to/file.e2undo} {path/to/undo_file} {/dev/sdXN}

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

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