On 30.05.2011 18:12, Hugo Mills wrote:

    You can check whether it's likely to be of use by running "btrfsck
-s 1" on your filesystem. If it passes OK, then btrfs-select-super
should be useful.

    Hugo.

Didn't work, unfortunately.

My btrfsck version is v0.19-35-g1b444cd-dirty and running
"btrfsck -s 1 /dev/sda5" quits with the following message:

using SB copy 1, bytenr 67108864
No valid Btrfs found on /dev/sda5