Chris, On 10/6/10 9:42 PM, "Chris Hobbs" <cho...@nhusd.k12.ca.us> wrote: > 3) Modified my NFS mount with noatime to reduce i/o hits there. Need to > figure out what Brad's suggestions about readahead on the server mean.
It's been a while since I mucked with Linux as a NFS server, I've been on Netapp for a while. There may be less knobs than I recall. > I do have one more idea I'll throw out there. Everything I've got here > is virtual. I only have the one Dovecot/Postfix server running now, and > the impression I get from you all is that that should be adequate for my > load. What would the collective opinion be of simply removing the NFS > server altogether and mounting the virtual disk holding my messages > directly to the dovecot server? If you're not planning on doing some sort of HA failover or load balancing, and have the option to make your storage direct-attached instead of NAS, it might be worth trying. There's not much to be gained from NFS in a single-node configuration. -Brad
