Am 29.07.2013 10:22, schrieb Dave Chinner: > On Mon, Jul 29, 2013 at 09:39:37AM +0200, Stefan Priebe - Profihost AG wrote: >> Hi, >> >> while running 3.0.78 and doing heavy rsync tasks on a raid 50 i'm gettig >> these call traces: > > Judging by the timestamps the problem clears and the system keeps > running? Yes. > If so, the problem is likely to be a combination of contention on a > specific AG for allocation and slow IO. Given it is RAID 50, it's > probably really slow IO, and probably lots of threads wanting the > lock and queuing up on it. > > What's 'iostat -m -x -d 5' look like when these messages are dumped > out? Don't have that but some nagios stats. There were 1000 iop/s and 8MB/s. But i can reduce the tasks done in parallel if this is the problem. Stefan _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs