[Bug 325346] Re: dump cannot dump ext4 partitions

[Jeff Balderson]

Dump *will* now make dumps of an ext4 without complaining using dump
v0.4b41-6 (Jaunty)

Unfortunately, restoring the data shows that it's been corrupted
somewhere in the process (either dump or restore).   The data doesn't
even remotely resemble the original.

100% reproducibility. Steps to reproduce:

1) Create an ext4 filesystem and mount on /mnt/test
2) Create a simple text file on the filesystem: /mnt/test/testfile.txt
3) "dump -0f /mnt/backup/testbackup.dmp /mnt/test"
4) mkdir /mnt/backup/test; cd /mnt/backup/test
5) "restore -rf /mnt/backup/testbackup.dmp"
6) inspect /mnt/backup/test/testfile.txt to see corrupted data.

Dump should either correctly dump an ext4 or refuse to do so entirely.
In the current state, it could be lulling admins into a false sense of
security that their data is backed up.

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dump cannot dump ext4 partitions
https://bugs.launchpad.net/bugs/325346
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