On Sun, Jun 10, 2018 at 7:38 AM, Simon Kaiser <simon.kaiser@xxxxxxx> wrote: > Qu Wenruo <quwenruo.btrfs@xxxxxxx> writes: > >> On 2018年06月10日 11:53, Chris Murphy wrote: >>> On Sat, Jun 9, 2018 at 7:56 PM, Qu Wenruo <quwenruo.btrfs@xxxxxxx> wrote: >>>> >>>> Indeed, the corrupted bytenr is 0x4bc98004. >>>> Looks pretty like a bit flip in the 3rd lowest bit. >>>> >>>> It can be fixed by manually patching the corrupted leaf to get rid of >>>> the bitflip. >>>> I could provide a special branch of btrfs-progs to fix it easily. >>>> >>>> But before that, it's better to do a scrub to see if there is other >>>> similar problems, so I could fix them all. >>>> > > Online scrub `btrfs scrub start -B -r /mnt/` (`mount -o ro,norecovery`) > > ERROR: scrubbing /mnt/ failed for device id 1: ret=-1, errno=5 (Input/output error) > scrub canceled for 95b4974b-a798-44b3-99aa-a4eef990aeeb > scrub started at Sun Jun 10 13:25:37 2018 and was aborted after 00:00:03 > total bytes scrubbed: 1.09GiB with 0 errors Is there any kernel message at the time of this i/o error? Either Btrfs or device error? -- Chris Murphy -- 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
