On Fri, 17 Aug 2007, John R Pierce wrote: > Mag Gam wrote: > > Hello: > > > > I have a server with 2 HBAs, and the users keeps complaining about > > performance problems. My question is, how can I relate the process with high > > I/O wait? Also, is it possible to see how much data is being pushed thru by > > my 2 HBAs? > > iostat (part of the sysstat package) will answer your 2nd question. > > I dunno how to measure io wait time per process. maybe IBM's NMON can do > that, not sure, I haven't used it for a while. > http://www-941.haw.ibm.com/collaboration/wiki/display/WikiPtype/nmon nmon is packaged as part of RPMforge :) -- dag wieers, dag at wieers.com, http://dag.wieers.com/ -- [Any errors in spelling, tact or fact are transmission errors]