> Think of Linux Virtual Server (LVS) as a load balancer. You have one (or > more) machine functions as load balancer that distributes the load to > multiple "real" servers. Usually you need some kind of frontend to LVS, > such as piranha or keepalived. So this meand that apart from my real two servers, I need to have aother couple of machines for load balancing, right ? > > Since your priority is HA (which means active-standby configuration is > OK), you can simply use redhat cluster without GFS. The cluster suite But then how can I make sure that data availability is attained? Since I don't have a shared storage, I think GFS+GNBD should be used. > > If you need HP and HA you can use redhat cluster with GFS to provide > cluster file system and run your services on both nodes, but you'll also > need some kind of load balancer (such as LVS) to distribute the load > between those two nodes. Thanks, this made my confusion lesser. I was actually searching for the purpose of LVS. and unluckily couldn't find one. -- Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
