Hello Dave, On Tue, Dec 28, 2010 at 01:07:50AM +1100, Dave Chinner wrote: > Turn on the XFS tracing so we can see what is being written every > 36s. When the problem shows up: > > # echo 1 > /sys/kernel/debug/tracing/events/xfs/enable > # sleep 100 > # cat /sys/kernel/debug/tracing/trace > trace.out > # echo 0 > /sys/kernel/debug/tracing/events/xfs/enable > > And post the trace.out file for us to look at. attached. you can disregard all the lvm partitions ('dev 254:.*') since they are on a different drive, probably only 8:17 is of interest. bye, peter
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