On Tue, Dec 08, 2015 at 09:46:48PM +0100, Wolfgang Rohdewald wrote: > I just tried this script: > http://marc.merlins.org/perso/btrfs/2014-03.html#Btrfs-Tips_-Btrfs-Scrub-and-Btrfs-Filesystem-Repair > > but I did not pass the directory where the filesystem is mounted. > > Next I called it correctly: btrfs-scrub /t4 > I also tried btrfs scrub start / cancel directly, but > I am not really sure what I did in which order. > > Anyway now I can neither cancel nor start btrfs scrub. Rebooting did not help.
It might be that the userspace tools has got confused and left behind a lock/pid/progress file in /var/lib/btrfs/ Take a look in there and see if there's anything that you can delete to good effect? Hugo. > Running unmodified Linux 4.3 > > It seems like scrub stopped and did not clean up. Maybe because: > Dec 8 21:07:41 s5 kernel: [17833.840868] btrfs[23746]: segfault at > ffffffffffffff98 ip 00000000004079e1 sp 00007fffafa27510 error 5 in > btrfs[400000+53000] > > How can I now clean this up? > > root@s5:~# btrfs --version > Btrfs v3.12 > > root@s5:~# btrfs scrub status /t4 > scrub status for 700900de-e35f-4264-8f5d-1b2b249a5c3a > scrub started at Tue Dec 8 21:05:31 2015, running for 20 seconds > total bytes scrubbed: 3.09GiB with 0 errors > > root@s5:~# btrfs scrub cancel /t4 > ERROR: scrub cancel failed on /t4: not running > > root@s5:~# btrfs scrub start /t4 > ERROR: scrub is already running. > To cancel use 'btrfs scrub cancel /t4'. > To see the status use 'btrfs scrub status [-d] /t4'. > > -- Hugo Mills | Go not to the elves for counsel, for they will say hugo@... carfax.org.uk | both no and yes. http://carfax.org.uk/ | PGP: E2AB1DE4 |
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