Re: ServerIron stale connections

From: alan.hall@boltblue.net
Date: Fri Sep 13 2002 - 06:02:53 EDT


7.3 code indicates that you are using a serveriron xl. On the serveriron 400
\800 there is an undocumented command to show the session table

rconsole 1 1
show session detail 1

unfortunately i've not been able to find a simialr command of the serveriron
xl. If anyone knows it???

Quoting Bill McCaffrey <bill@neopets.com>:

> This is what I am running currently. I will check out the upgrade,
> thanks.
>
> SW: Version 07.3.04T12 Copyright (c) 1996-1999 Foundry Networks, Inc.
> Compiled on Mar 07 2002 at 11:46:40 labeled as SLB07304
>
>
> ----- Original Message -----
> From: "Brent Van Dussen" <brent@vandussen.com>
> To: "Bill McCaffrey" <bill@neopets.com>; <foundry-nsp@puck.nether.net>
> Sent: Friday, September 13, 2002 12:39 AM
> Subject: Re: ServerIron stale connections
>
>
> > Bill,
> >
> > What code you running? Sounds similar to some problems we ran into
> that
> > were fixed by a code patch. The new 7.3 SI code allows you to clear
> > sessions I believe, would have to check the release notes to be sure.
> >
> > -Brent
> >
> >
> > At 12:12 AM 9/13/2002, Bill McCaffrey wrote:
> > >Hi
> > >
> > >I have about 50 web servers running RedHat 6.2 being served by a
> ServerIron.
> > >Some of the real servers get "stuck" connections that never go away.
> These
> > >accummulate over time on the load balancer and cause the traffic
> > >distribution to be uneven. Sometimes the number of sessions will even
> go
> > >down to zero yet the connections remain. The only way I have found
> to
> clear
> > >them is to do a reboot. I have tried both connection balancing and
> session
> > >balancing but neither one works properly.
> > >
> > >The web server are identical in hardware, software and configuration.
> Yet
> > >this only occurs to certain servers, not all. I also have another
> ServerIron
> > >with the same kernel handling 100 servers that does not have this
> problem.
> > >The only difference I can see between them is that this one has peak
> traffic
> > >of around 85mbs whereas the other only gets up to around 40. Above 70
> mbs
> > >the difference between inbound and outbound start to seperate like
> there
> is
> > >some sort of packet loss occuring. I am planning on upgrading it to
> a
> > >gigabit connection but I am not sure if this will handle it.
> > >
> > >My questions are:
> > >
> > >Has anyone seen this type of behavior or have any ideas on what is
> causing
> > >it?
> > >Is there a way to view or clear the real server connections without
> > >rebooting?
> > >
> > >Thanks,
> > >
> > >Bill McCaffrey
> > >bill@neopets.com
> >
>
>



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