Thanks both for your answers - very informative. I think I will set up a test Ceph system on my home servers to try it out.

I have one more question:

Ceph seems to handle failed nodes well enough, but what about failed network links? Say you have a few systems in two locations, connected by a single link. If the link fails, you will have two isolated networks, each of which will think the other has failed and presumably will try to go on as best it can. What happens when the link comes back up again? What if the same file was modified by both isolated clusters when the link was down? What version will end up back in the cluster?

Thanks again,
Adam.


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