Re: Routing all sites to maintenance page

"Van Ceylon, David" <[email protected]> Mon, 5 Oct 2009 10:09:10 -0500
Newsgroups gmane.comp.programming.load-balancing.general
Message-ID <26D139D7C4E9784494738860A529B91E27367D4220@qtomaexmbm21.AD.QINTRA.COM>
(long time reader and first time responder here)

I've dealt with this exact situation.  Depending on how old your Foundry is and what code rev, there is a way to configure your "down for maintenance" server as a backup - even on a per-port basis if you have 9.2 code or higher.  If not you can configure the server as a backup for all your real servers as a whole.  The main issue though is that this "backup" won't engage until all servers bound in the VIP are failing the health-checks.

In the config, your backup server that you set up will have a "backup" command in the real server settings.  Then in your VIP, configure the bindings for the other real servers as usual, including your backup server and that's about it unless you want to get more specific.  If that's the case then post your HW/SW setup.

Good luck
David

________________________________
From: [email protected] [mailto:[email protected]] On Behalf Of Matthew Schmidt
Sent: Monday, October 05, 2009 8:40 AM
To: Load Balancing Mailing List
Subject: [load balancing] Routing all sites to maintenance page

Hi everyone.  Long time reader, first time poster.  We've had an older Foundry ServerIron device sitting in front of all our sites for some time now, but haven't set it up to do any serious load balancing.  One of the first things I would like to do is route all requests to servers that aren't responding to a server running a page that says we're down for maintenance.

My initial thought is that I would create "Real servers" for each of the services currently not being managed by the load balancer.  Then, give some IPs to "virtual servers" to act as the new frontends.  From there, I'm not quite sure where to proceed.  Is there a way to tell it to go somewhere only when we can't reach something else?  Is there a better way to handle this than with the load balancer?

Thanks,
Matt

--
Matthew Schmidt
VP of Technology, DZone, Inc.
Phone: 919.678.0300 x102
Email: [email protected]<mailto:[email protected]>
Yahoo/AOL: mattschmidtjl
Jabber: [email protected]<mailto:[email protected]>

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