e2image — Save critical ext2/ext3/ext4 filesystem metadata to a file. More information: <https://manned.org/e2

Write metadata located on device to a specific file

e2image {{/dev/sdXN}} {{path/to/image_file}}

Print metadata located on device to `stdout`

e2image {{/dev/sdXN}} -

Restore the filesystem metadata back to the device

e2image -I {{/dev/sdXN}} {{path/to/image_file}}

Create a large [r]aw sparse file with metadata at proper offsets

e2image -r {{/dev/sdXN}} {{path/to/image_file}}

Create a [Q]COW2 image file instead of a normal or raw image file

e2image -Q {{/dev/sdXN}} {{path/to/image_file}}