[CentOS] CentOS Cluster

Dear All,

I am newbie to Linux Clustering, i have 2 standalone CentOS servers, i want to setup a cluster on those servers, to synchronize between each other, and to make a one as standby to the other, if a one fails the other will switchover.

I will mostly use Apache, Mysql, and PHP.

I have read the "Cluster Administration" document, i found that there are multiple methods to setup the cluster, actually i want to ask expert people in the clustering, which method is the most proper one, and should i have use a fence device, which one i will preferably use.

Thanks for assistance.

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