In PerfMon, look at the PhysicalDisk objects and find the metrics for Current
Disk Queue Length and Average Disk Queue Length - these can give you data on how
many I/O operations are waiting for the disk, which should give you similar
information. It isn''t exactly the same as I/O Wait in Linux, since I/O
Wait is actually the time the processor spends waiting on I/O, but overly high
disk queue lengths in Windows indicate similar problems to overly high I/O Waits
in Linux.
-Nick
>>> On 2010/07/14 at 02:53, "Matthew Law"
<matt@webcontracts.co.uk> wrote:
> I''m not a windows person, so I am hoping someone can help me with
this...
>
> I''ve just installed a Windows 2003 Server VM and I would like to
make sure
> that the average disk IO wait is acceptable. In Linux and other *nixes I
> would normally use sar or iostat for this. I have found perfmon in
> windows. Will this give me the numbers I need?
>
> Thanks,
>
> Matt.
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