These days, high availability is in demand. No one wants any services they offer to be unreachable, especially since that downtime will almost undoubtably cost them money. High Availability Linux clusters offers the solution to this need for a lack of downtime.
This page will point you towards various software projects, tools, documentation, and other related sites that deal with high availability Linux clusters.
There are high availability services offered in most load sharing and balancing software. For that reason, you might also want to check out our load sharing and balancing clusters page, located here. However, load sharing and balancing systems are much more costly, since to have a truly highly available LVS style cluster, you will need a minimum of six systems, while for a truly highly available cluster, you will only need three.
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