On 02/21/2013 01:08 PM, Stone wrote: > ok i have checked all superblocks but i get always the same message. > here one sample: > fsck.ext4 -n -b 644972544 /dev/mapper/md2_nas > e2fsck 1.41.14 (22-Dec-2010) > fsck.ext4: Invalid argument while trying to open /dev/mapper/md2_nas > > The superblock could not be read or does not describe a correct ext2 > filesystem. If the device is valid and it really contains an ext2 > filesystem (and not swap or ufs or something else), then the superblock > is corrupt, and you might try running e2fsck with an alternate superblock: > e2fsck -b 8193 <device> You very likely have the wrong chunk size. Close luks, stop md2, and re-create with --chunk=64 And then try to fsck again. (Without -b at first.) Phil -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
