Thanks John. Yes, this is a tricky question, but I face this a lot....Unfortunately, I am not sure how to check the adapter throughput, and what process is causing the i/o wait.
On 8/17/07, John R Pierce <[EMAIL PROTECTED]> 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 > > > _______________________________________________ > CentOS mailing list > CentOS@centos.org > http://lists.centos.org/mailman/listinfo/centos >
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