Linux Command Library
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e2undo

Replay an undo log for an ext2/ext3/ext4 filesystem

e2undo [ -f ] [ -h ] [ -n ] [ -v ] undo_log device

e2undo will replay the undo log undo_log for an ext2/ext3/ext4 filesystem found on device. This can be used to undo a failed operation by an e2fsprogs program.

-f
Normally, e2undo will check the filesystem superblock to make sure the undo log matches with the filesystem on the device. If they do not match, e2undo will refuse to apply the undo log as a safety mechanism. The -f option disables this safety mechanism.
-h
Display a usage message.
-n
Dry-run; do not actually write blocks back to the filesystem.
-o offset
Specify the filesystem's offset (in bytes) from the beginning of the device or file.
-v
Report which block we're currently replaying.

e2undo was written by Aneesh Kumar K.V. (aneesh.kumar@linux.vnet.ibm.com)

e2undo is part of the e2fsprogs package and is available from http://e2fsprogs.sourceforge.net.

mke2fs(8), tune2fs(8)

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