> I got mixed results: There are three partitions on the sdcard from > which I could fully recover (even mount it directly via loop device) > the first and the third one. > > The second one is screwed up. > > Running fsch.ext4 against the image it starts with "bad superblock" > and suggests two alternatives. > > I started fsch.ext4 again while using -b to define the alternate > superblock and it starts to ask me *zillions of question, which > I all answered with 'yes' in a first attempt (I have a backup of the > image...). > The result was an image, which I could mount again. > But beside 'lost+found' with some small rests of something which > may be files in a previous life nothing was there...
In that case its photorec time against the copy of the image (see previous note about only working on a copy - the changes that fsck makes may compromise photorec's efficacy). Probably worth reading the testdisk and photorec man pages first.