[Linux-cluster] SSI, Virtual Servers, ShareRoot, Etc

[gordan at bobich.net]

> On another train of thought, I was wondering about the following. Would there
> be any benefit in creating an SSI cluster made up of x number of servers.
> Then, slicing that up into VM's as required. The SSI would always be intact as
> it is, the servers could come and go as needed, the storage would be separate
> from the entire mix. If one node needed more processing power than the rest,
> it would take it from the SSI cluster. Otherwise, idle machines are wasting
> their resources.
>
> Again, this is just a theory based on my tiny understanding of SSI clusters
> and VM to begin with but it's kind of an outline of what I'd like to achieve.
> The reason of course is that then I would have a very scalable environment
> where very little goes to waste, resources can be used where needed, not
> wasted.

This is pretty independent of clustering/SSI. Yes, you can do this, but 
clustering isn't a critical requirement.

When adding/removing nodes from the cluster, make sure quorum is 
maintained, though.

Gordan