stalled 'sync' on ext3+quota over drbd

Stephen C. Tweedie sct at
Wed Mar 31 12:46:28 UTC 2004


On Wed, 2004-03-24 at 10:47, Eugene Crosser wrote:

> Now, the setup mostly works fine.  But if you actively use the
> filesystem for some time (hour of copying a large tree over NFS), then
> then try 'sync' command, the latter runs very long (10 minutes or more),
> eating 99% CPU according to top, and the system becomes very sluggish
> (leading to stalled replication, heartbeat misbehavior) and in fact
> unusable.

You'd need to try capturing a profile of the 99% cpu loop for us to be
able to investigate this any further.


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