Re: Writeback errors in kernel log with Linux 4.15 (m=s=raid1, d=raid5, 5 disks)

2018-02-02 Thread Nikolay Borisov
On 2.02.2018 03:28, Janos Toth F. wrote: > I started seeing these on my d=raid5 filesystem after upgrading to Linux 4.15. > > Some files created since the upgrade seem to be corrupted. > > The disks seem to be fine (according to btrfs device stats and > smartmontools device logs). > > The res

Re: Writeback errors in kernel log with Linux 4.15 (m=s=raid1, d=raid5, 5 disks)

2018-02-01 Thread Chris Murphy
On Thu, Feb 1, 2018 at 6:37 PM, Janos Toth F. wrote: > Hmm... Actually, I just discovered a different machine with s=m=d=dup > (single HDD) spit out a few similar messages (a lot less and it took > longer for them to appear at all but it handles very little load): > > [ 333.197366] WARNING: CPU:

Re: Writeback errors in kernel log with Linux 4.15 (m=s=raid1, d=raid5, 5 disks)

2018-02-01 Thread Chris Murphy
On Thu, Feb 1, 2018 at 6:28 PM, Janos Toth F. wrote: > I started seeing these on my d=raid5 filesystem after upgrading to Linux 4.15. > > Some files created since the upgrade seem to be corrupted. How are you determining they're corrupt? Btrfs will spit back an I/O error rather than deliver corru

Re: Writeback errors in kernel log with Linux 4.15 (m=s=raid1, d=raid5, 5 disks)

2018-02-01 Thread Janos Toth F.
Hmm... Actually, I just discovered a different machine with s=m=d=dup (single HDD) spit out a few similar messages (a lot less and it took longer for them to appear at all but it handles very little load): [ 333.197366] WARNING: CPU: 0 PID: 134 at fs/fs-writeback.c:2339 __writeback_in