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hard disk performance monitoring

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DarkTXKnight

Senior member
I need to find a program that will monitor the amount of disk being utilized at a given time. I don't know if this is something SANDRA or the like can do, so any help would be appreciated.
 
please clarify "amount of disk being utilized at a given time".

If you want to look at IOs per second, queue length and whatnot during the day then perfmon does the trick.

If you want to onetime benchmark the performance capabilities of a drive try IOMeter from Intel.

 
Cool, perfmon should do the trick. It can be set to just log all day long at some particular interval (15 sec, 1min or whatever).

Disk queue length is a biggie to watch. It will spike from time to time but if it ever sustains at more than 1-2 per spindle ( >6 for a 4-disk raid array for instance) you may be having trouble.

If this box is Win2k or earlier be sure to run "diskperf -Y" then reboot once before you start. Otherwise the diskperf filter driver is not enabled to catch perf data coming off the top of the disk driver)
 
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