[CentOS] Correlate i/o with a process
John R Pierce
pierce at hogranch.comSat Aug 18 00:24:11 UTC 2007
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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
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