Matt M wrote:
This is a follow-up to my earlier email. I still haven't been able to
figure out what the problem is, but if I turn off AFR between the
servers, write performance improves to be about the same as NFS.
I can send my config files again, but basically I comment out the afr
sections and point my client directly to one of the servers by changing
the "remote-host" option in the client vol file. I'm testing write
performance with
time sh -c "dd if=/dev/zero of=ddfile bs=8k count=20000 && sync"
time sh -c "dd if=/dev/zero of=ddfile-gfs bs=8k count=200000 && sync"
could you try a different speed/stress test?
for example, download the latest firefox archive (or any other
big-enough compilable application),
decompress it on the server, export the filesystem via nfs and via gfs,
and try to compile it from
the client: what's the difference between the two filesystems?
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