Frank,
Which switch was causing the issue? I am seeing a similar problem at our
site and have confirmed that the load balancer is set correct and am not
sure what else to check.
Scott
On 4/6/07, Frank Caruso <[EMAIL PROTECTED]> wrote:
** The load balancer was set to timeout in 60 minutes, that was confirmed.
However, the switch the ARS servers were coming through was set to timeout
in 5 minutes (tcp age of 5 minutes).
Thanks to all who responsded.
On 4/5/07, Bradford Bingel <[EMAIL PROTECTED]> wrote:
>
> ** Because the log files confirm it takes 35-40 seconds for anything to
> hit the AR System, seems to indicate an issues with the load balancer. I
> agree with Fred that the sticky timeout setting is a prime suspect. You
> might also do a traceroute, just to make sure the routing path between your
> users and the load balancer (and between the load balancer and the AR System
> servers) is what you expect. Check the timings for each hop. Any layer 2
> switches (e.g., Catalyst 5500/6500) out there making lookup calls to a
> router or RSM/MSM blade?
>
> You didn't mention . . . how's the response time from the AR System
> server, back to the user?
>
> -- Bing
>
> Bradford Bingel ("Bing")
> ITM3 California
> http://www.itm3.com/
> [EMAIL PROTECTED] (email)
> 925-260-6394 (mobile)
>
> ------------------------------
> *From:* Action Request System discussion list(ARSList) [mailto:
> [EMAIL PROTECTED] *On Behalf Of *Joe DeSouza
> *Sent:* Wednesday, April 04, 2007 1:17 PM
> *To:* [email protected]
> *Subject:* Re: Load Balancing Issues
>
>
> ** Fred,
>
> You just might be right.. I had that issue on a recent engagement and
> reconfiguring the sticky timeout did work for us..
>
> Joe
>
> ----- Original Message ----
> From: "Grooms, Frederick W" <[EMAIL PROTECTED]>
> To: [email protected]
> Sent: Wednesday, April 4, 2007 2:01:15 PM
> Subject: Re: Load Balancing Issues
>
> ** Also have them check the "sticky" timeout setting of the Load
> Balancer (the length of time the LB maintains a list of who goes to which
> server).
>
> It almost sounds like they are timing out in the LB and it is having to
> determine which server they go to again.
>
> Fred
>
> ------------------------------
> *From:* Action Request System discussion list(ARSList) [mailto:
> [EMAIL PROTECTED] *On Behalf Of *Rick Cook
> *Sent:* Wednesday, April 04, 2007 12:06 PM
> *To:* [email protected]
> *Subject:* Re: Load Balancing Issues
>
>
> ** Frank, the first thing I would check is the network routing and the
> authentication settings on the load balancer.
>
> *Rick*
> ------------------------------
> *From:* Action Request System discussion list(ARSList) [mailto:
> [EMAIL PROTECTED] *On Behalf Of *Frank Caruso
> *Sent:* Wednesday, April 04, 2007 9:04 AM
> *To:* [email protected]
> *Subject:* Load Balancing Issues
>
>
> ** I am posting this for another client so I do not have complete
> details but am hoping somebody may have thoughts on the issue ...
>
> Env: ARS 7 ITSM V7, Windows 2003 Servers (3 of them in Server Group)
>
> Issue:
> Log in through the User tool and hit the load balancer. Load balancer
> quick passes them off to 1 of 3 ARS servers. No problem. If user remains
> IDLE for about 10 minutes and then tries to do anything they must wait about
> 35 to 40 seconds to get a response from ARS.
>
> The developers on the ARS side have captured server side log files and
> confirm that the delay is not on the ARS side. It takes 35-40 seconds for
> anything to hit ARS and when it does it completes immediately.
>
> Any thoughts are appreciated.
>
> --
> Frank Caruso
> Specific Integration, Inc.
> Senior Remedy Engineer, ITIL Foundation Certified
> www.specificintegration.com
> 703-376-1249
>
>
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Specific Integration, Inc.
Senior Remedy Engineer, ITIL Foundation Certified
www.specificintegration.com
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