[Linux-cluster] Ext3/ext4 in a clustered environement

[rossnick-lists at cybercat.ca]

> I have a 600GB GFS2 FS, and I resolved the issue with
> rsync that I run
> ionice -c3 rsync -av ...
> That way rsync is given the CPU for IO, if all other
> processes don't
> require IO. Of course it takes a lot of time to compete
> the sync, but
> if the time is not an issue, it can be a solution.

I tried it on some directories, it seems that the peeks in
cpu are still present, but it seems not to affect the other
nodes as before. I'm not that sure, since it was not 100%
of the time I saw impact on other nodes.

I will keep that trick in mind...