On Fri, Apr 06, 2018 at 11:32:34PM +1000, Ben Parsons wrote: > Hi, > > I just had an unexpected restart and now my btrfs pool wont mount. > The error on mount is: > > "ERROR: unsupported checksum algorithm 41700" > > and when running > > btrfs inspect-internal dump-super /dev/sda > ERROR: bad magic on superblock on /dev/sda at 65536 > > I saw a thread in the mailing list about it: > https://www.spinics.net/lists/linux-btrfs/msg75326.html > However I am told on IRC that Qu fixed it using magic. > > Any help would be much appreciated. In the previous report, there were 2 isolated areas of superblock damaged. Please post output of btrfs inspect dump-super /path so we can see if it's a similar issue. In case it is, there's a tool in the btrfs-progs repo that can fix the individual values. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
