Failover IP router

brad at bradandkim.net brad at bradandkim.net
Tue Nov 27 22:35:21 UTC 2007


> Steven,
>
> I am trying to do the exact same thing and I even open
> a ticket with red hat and all the can tell me is that I
> need to purchase the cluster suite http://www.redhat.com/cluster_suite/

Or you can use the source rpms for free.
>
> what did people do before the cluster suite was around.

Heartbeat from Linux HA.  Same basic thing.  Or, as mentioned, a hardware
solution from a vendor.  This costs quite a bit though usually.

>
> I trying to duplicate the systems with clonezilla or
> systemimager.
>
> SO far for failover I have heard of hearbeat (this is one of the packages
> that the cluster suite uses) and DRDB here is an article:
>  http://www.linuxjournal.com/article/9074
>  http://linux-ha.org/LearningAboutHeartbeat
>
> If you find out more please let me know because I am in the same search
> path.
>
> Thanks,
>
> Néstor :-)
>
>
> -----Original Message-----
> From: redhat-list-bounces at redhat.com
> [mailto:redhat-list-bounces at redhat.com]On Behalf Of Steven Buehler
> Sent: Tuesday, November 27, 2007 1:16 PM
> To: 'General Red Hat Linux discussion list'
> Subject: Failover IP router
>
>
> I have been googleing for this, but can't seem to find the right answer.
> What I am trying to do is to create a failover router on a redhat box.
> 1.  website.com will be on 2 servers
> 2.  website.com has one IP address
> 3.  redhat box router will have the 1 IP address for website.com on it.
> 4.  website.com server1 will be on 192.168.1.10
> 5.  website.com server2 will be on 192.168.1.11
> 6.  If website.com server1 fails, website.com server2 will take over.
>
> We are not worried about cookies that have been set on server1 to be moved
> to server2.  We are just worried about the second machine taking over.
> What
> would be better is if it could be a load balancing setup so that it will
> use
> both servers, but if one fails, people will not notice it because the
> other
> server will then be taking all of the requests.
>
> I have googled for "Linux failover iptables router" and a few other
> combinations of words, but what I keep finding is failover for the
> outbound
> connections.  Having 3 Nic cards 1 going to one ISP, 1 going to another
> ISP
> and one going to the internal network.  Maybe I am just using the wrong
> wording.  Any url links for instructions would be appreciated.
>
> Thank You
> Steve
>
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Brad Crotchett
brad at bradandkim.net
http://www.bradandkim.net




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