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?
