[CentOS] Determine high i/o reads/write directories
Joseph L. Casale
jcasale at activenetwerx.comMon Aug 22 10:48:30 UTC 2011
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>I have a DRBL server, basically an nfs fileserver, which I am rebuilding. I want to >put the high i/o directories on a separate raid array for performance. Currently >everything is under / in one raid array. > >How can I tell which directories, obviously other than /home, are getting high >reads and/or writes? Any tools to measure i/o per directory? Well there certainly might be better ways, but if iotop for example indicates a process is producing high file IO, lsof -p <pid> will show which file. Hth, jlc
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