High Avg. Disk Queue Length in Performance Monitor

On Mar 13, 5:10 am, Rich <R...@discussions.microsoft.com> wrote:
> Hi Everyone,
>
> We have a web server set up running a single web site. The web site
> accesses a database on a seperate server. The web server has Windows Server
> 2003 SP1 installed and has 2GB of RAM. We experienced a couple of timeout
> exceptions on the site yesterday so I started looking at the performance of
> the web server. I am not sure that this is responsible for the timeouts we
> are experiencing but I noticed that the Avg. Disk Queue Length in the
> performance monitor was up around the 2000 (with the maximum being somewhere
> around 26000).
>
> Having had a look around the web it seems that the average should be around
> 2? On the database server this is the case. Can anyone suggest why this
> value would be so high?
>
> We have tried stopping the website and associated services but this didn't
> effect this value. We have also tried using RAMBooster to clear down the
> current RAM but it quickly returns to its previous state. Again, this made
> no difference to the number of writes to the disk.
>
> There is around 1.3GB of available RAM although this value does not
> fluctuate at all.
>
> Can anyone make any suggestions on what might be causing this or what steps
> I can take to identify the problem? I am extremely new to the server
> management process.
>
> Many Thanks
>
> Rich

What type of timeout was it? Could it have been a result of a
database issue? What type of content are you expedting from the
database server?
What type of hardware are you running on the web server?

What is the value of % Disk Time?