Re: (clug-talk) Re: Fault tolerant system mirroring?

[Roy Souther]

Many people are recommending a virtual server that is a cluster of nodes and for many reasons this is a much better way to do this but unfortunately we are needing to run an expensive program that would violate license to do such a setup. Mirroring would not violate the license. Slower and less reliable yes but much more cost effective and in this situation the slight delay in switching from the master to the mirror would not be a problem.

We are currently looking at a few open source methods to do this, each with advantages and disadvantages.

If we go ahead with this then I will post our plan to the Lethbridge LUG site with the information that we find. Keep the ideas coming.

I think the best solution would be a kernel module that allowed for many Linux OS kernels to sync between them based on a set of rules. This would allow for non-identical systems to work this way with any Linux distribution and any combination of software.

Roy Souther www.SiliconTao.com Changing the way people do business.

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