[Btrfs-devel] reversing the effects of mkfs.btrfs?

[Yan Zheng]

2008/4/25, Peter Teoh <htmldeveloper at gmail.com>:
> I was playing  around with btrfs, and did a  mkfs.btrfs on one of my
> partition.   Mistakes, it was my data partition (ext3 based).
>
> I have not yet mounted the device, but the mkfs.btrfs continued to
> completion.
>
> Is it possible to salvage my ext3 filesystem?   Anyway to reverse the
> effect of mkfs.btrfs?
>

Try fsck.ext3, but at your risk. (mkfs.btrfs only overwrites a few
blocks at beginning of device)

Good Luck
YZ