I suppose the point behind RackAware is that you can lose one rack or
datacenter and then recover somehow. How would the recovery work? I'd
probably have part of my cluster left, the replication factor would be three,
and I'd have less than a quorum for some of the rows. I'd have to add a bun
rack aware basically means it has some knowledge of cluster topology
so it can (a) do reads from the lowest-latency replica, and (b)
distribute replicas across the ring better, e.g. at least one copy in
each datacenter. other than that there is nothing special about the
rack or data center as a un
