Greetings,
On Sat, Jun 2, 2012 at 6:43 PM, Raja Subramanian <[email protected]> wrote: > On Sat, Jun 2, 2012 at 5:05 PM, Girish Venkatachalam > <[email protected]> wrote: >> Load balancing involves promising a 100% uptime for a server application. > > Load balancing only eliminates downtime due to server/application > being a single point of failure. > > Even with full redundancy it's still not possible to provide 100% > uptime for any application. You may be sharing the same ethernet > switch, ISP connection, etc. In the very least the clustering software > is a single point of failure. If VRRP breaks then you'll end up with > a multi-master scenario where your cluster stop working. > +1 I have managed a Cluster of three nodes using Shared storage filesystem GFS, and LVS for load balancing. LVS is a good place to start with to understand nuts and bolts, It just needs more than one NIC on a dsktop. I have not tried LVS on VMs though. -- Regards, Rajagopal _______________________________________________ ILUGC Mailing List: http://www.ae.iitm.ac.in/mailman/listinfo/ilugc
