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Re: High Availability FreeBSD www cluster



Roger Olofsson a écrit :


Michael Christie skrev:
Hi all ,

I want to cluster some freeBSD servers, The purpose of this is to learn. I would like to run some basic services like www and mail on a test network. I would like to set up the servers so if one server falls over the other will take over the services automatically, load balanceing would be good as well. I have googled, I could be looking in the wrong place , there seems not to be much in regard to seting up freebsd in a cluster, lots on linux. I have looked at the High Availability Linux project , I see on the front page that it will run on freebsd.

So I am a bit lost and i am wanting to learn how to cluster freebsd web and mail servers, I have looked at Beowulf clusters, which seem to give computers more grunt, Can some on on the list please advise me on what clustering softwhere i need to get started and if the High Availability Linux project softwhere will do the job.


web links any thing to help me get started would be good. No I do not want to change over to linux.


Thanks
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Hello,

I have been running freevrrpd and pen (http://siag.nu/pen/ or in ports) for HA web services.

My setup was a firewall/gateway consisting of more than 1 machine using freevrrpd thus enabling failover for the firewall/gateway. I write firewall and not firewalls since freevrrpd creates a virtual ip that is failover'ed between the machines.

On the firewall/gateway pen were running and pointed towards the web servers. Pen can point at as many web servers as you like and balances the load between them in a very simple way. If the web servers are identical in setup they become redundant. DNS loadbalancing is very similar.

Good luck!

/Roger


I don't have any experience yet with it but I'm planning on using CARP with PF to do redondant gateways. You can do round-robin RDR with PF to distribute the load. You can even put the same server IP more than one time in the list to forward more traffic to this server! I tested it but I didn't tried CARP yet.

I read I couple of articles on CARP with BSD, I'm a little bit surprised that nobody made reference to it yet. Now it's done ;)

Martin

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