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Hi Digimer <br><br>Thanks for your helpful reply.<br><br>Actually i didn't determine yet by which method i will sync the data until i will overlooking into searching.<br><br>Regarding fencing, i will use 2 standalone Dell R210 servers.<br><br><br>So which Linux distribution, you recommend me to use because i am about to implement it in the next few days.<br><br>and Which the method i will follow to create the cluster, referencing to the "Cluster Administration" document.<br>as i see : Luci, Conga, Cluster Manager, etc..<br><br>Your help is appreciated<br><br>Thanks<br><br><br><br><br><span id="PresenceContainer"><br><br></span><br>> Date: Mon, 5 Jul 2010 16:48:45 -0400<br>> From: linux@alteeve.com<br>> To: centos@centos.org<br>> CC: torintino2@live.com<br>> Subject: Re: [CentOS] CentOS Cluster<br>> <br>> On 10-07-05 04:36 PM, Torintino T wrote:<br>> ><br>> ><br>> > Dear All,<br>> ><br>> > I am newbie to Linux Clustering, i have 2 standalone CentOS servers, i want to setup a cluster on those servers,<br>> > to synchronize between each other, and to make a one as standby to the other, if a one fails the other will switchover.<br>> ><br>> > I will mostly use Apache, Mysql, and PHP.<br>> ><br>> > I have read the "Cluster Administration" document, i found that there are multiple methods to setup the cluster,<br>> > actually i want to ask expert people in the clustering, which method is the most proper one,<br>> > and should i have use a fence device, which one i will preferably use.<br>> ><br>> > Thanks for assistance.<br>> <br>> How you implement the application fail-over will depend on your approach <br>> for each of you high-availability applications. Have you thought about <br>> how you will sync data (DRBD, GFS2, NFS, etc)?<br>> <br>> As for the cluster itself, that is, the stack underneath the <br>> applications, it is not too hard to setup. Install the clustering group <br>> and then configure the '/etc/ais/openais.conf' file and the <br>> '/etc/cluster.conf' file. Of course, how to do that is a bit bigger <br>> question.<br>> <br>> As for fencing; Yes, yes and definitely Yes. If your servers have IPMI <br>> (ie; Dell's DRAC, HP's iLO, etc) then use IPMI for fencing. Otherwise <br>> you will need an external fence device like an addressable PDU.<br>> <br>> A word of note; Clustering on CentOS is fairly old now. Old enough, that <br>> I've personally moved off of it Fedora 13 for non-production use in <br>> order to prepare for the "real soon now" RHEL/CentOS 6 release. If <br>> you're not imminently deploying your cluster, you may want to explore this.<br>> <br>> -- <br>> Digimer<br>> E-Mail: linux@alteeve.com<br>> AN!Whitepapers: http://alteeve.com<br>> Node Assassin: http://nodeassassin.org<br> <br /><hr />Hotmail: Free, trusted and rich email service. <a href='https://signup.live.com/signup.aspx?id=60969' target='_new'>Get it now.</a></body>
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