On 8/18/14, 3:23 PM, Mark Ballard wrote: >> I'm guessing that it's the encryption getting in your way. > > Cheers, Eric. Does rather look that way. But for the sake of a user report... > >> >> How is /dev/sdb1 encrypted? Usually this is done with something like dm-crypt. >> Or is it hardware encryption managed in the bios? Did you unlock it? > > Done with crytpsetup using luks. > >> >> What does "blkid /dev/sdb1" say? >> > > It says Luks. and not ext4 - so you need to unlock it via mumblemumbleLuksStuffmumblemumble before you can operate on it with e2fsprogs tools. # cryptsetup luksOpen /dev/sdb1 <name>... or something. Sorry, I'm not a LUKS expert... Anyway, not an ext4 problem. Your superblock isn't corrupted, it's encrypted. :) -Eric -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html