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RE: DISK IO?

From: Reardon, Bruce (CALBBAY) <Bruce.Reardon_at_comalco.riotinto.com.au>
Date: Thu, 04 Oct 2001 16:05:27 -0700
Message-ID: <F001.003A2B8C.20011004162017@fatcity.com>

Also, to monitor Disk IO on NT / W2K you need to have the disk counters turned on.

To check if they are on, use the "diskperf" program, which can check a remote computer.

To turn them on if they are currently off, use diskperf to turn on but they won't come on until the server is rebooted.

Note that under NT / W2K, installing the SNMP service will add in a lot more performance counters.

Regards,
Bruce Reardon

-----Original Message-----
Sent: Friday, 5 October 2001 8:00

Satar,

Actually the perfomance monitor can accumulate a *lot* of detailed information, far more than you'll every get from vmstat, sar or iostat.

Plus, there's a Perl interface to the perflib.dll that enables you to collect the data anyway you want. It can also be done remotely.

Performance monitoring is one place the M$ didn't skimp.

Jared



 10/04/01 01:56 PM

UNIX:
man iostat
while you're there, checkout:
man vmstat

Windoze 2000:
I think they have something called "Performance Monitor" in 2000. From what I hear, it isn't helpful. I think they are trying to resolve the constant system crashes before they concentrate on "small" things, such as disk I/O. ;)

Regards,
Satar

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