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Efficient High-Available LoadBalanced Cluster On CentOS 5.3 (Direct Routing Method)

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http://howtoforge.com – Efficient High-Available LoadBalanced Cluster On CentOS 5.3 (Direct Routing Method) This article explains how to set up an LVS cluster of load balanced virtual servers with Heartbeat and Ldirectord On CentOS 5.3.The load balancer sits between the user and two (or more) backend Apache/IIS web servers that hold the same content. Not only does the load balancer distribute the requests to the two backend Apache/IIS servers, it also checks the health of the backend servers. If one of them is down, all requests will automatically be redirected to the remaining backend server. (HowTos)