Re: How to verify/fix High Disk Read Latencies in Exch2003 ?

On Thu, 19 Jan 2006 09:58:04 -0800, Marlon Brown
<MarlonBrown@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

>MOM2005SP1 keeps warning that various Exchange 2003 Servers experience the
>issue below:
>
>High Disk Read Latencies for the past 10 minutes
>PhysicalDisk: Avg. Disk sec/Read: 0 C: value = 0.059590036231884. The
>average over last 10 samples is 0.05959.
>
>Can you indicate what's the best way to troubleshoot and fix this ?
>I think the first step would be by running Perfmon and setting manual Disk
>counters to see whether this is an actual problem. Can you point me a
>document or tell me the counter parameters I should be looking for to
>determine whether this an actual issue ? Also, if you know how to improve
>this in case it is an actual issue, I would appreciate your input.


Start here:
http://www.microsoft.com/Downloads/details.aspx?familyid=4BDC1D6B-DE34-4F1C-AEBA-FED1256CAF9A&displaylang=en

Microsoft Exchange Server Performance Troubleshooting Analyzer Tool
v1.0


Make sure you have the latest firmware and updates for your Raid
Controllers and disks.


Have you sized your servers appropriately?

http://www.microsoft.com/technet/prodtechnol/exchange/2003/library/highavailgde.mspx

.

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