On Mon, 2007-03-05 at 12:19 -0300, Andre Nathan wrote: > On Sat, 2007-03-03 at 14:23 +1100, Rob Mueller wrote: > > %util - Percentage of CPU time during which I/O requests were issued to the > > device (bandwidth utilization for the device). Device saturation occurs when > > this value is close to 100%. > > Can values way above 100% be trusted? If so, it's pretty bad (this is > from a situation where there are 200 lmtp processes, which is the > current limit I set): No way -- set your lmtp processes to like 5 and configure your concurrency in your MTA to the same value (or n-1). There's no way your disk system (or any other) is going to be able to handle 200 lmtpd's writing simultaneously. Even with our SAN, I only allow *3* lmtpd's to write concurrently. John -- John Madden Sr. UNIX Systems Engineer Ivy Tech Community College of Indiana jmadden@xxxxxxxxxxx ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html