On Fri, Aug 24, 2012 at 7:17 AM, Stephen Perkins <perkins@xxxxxxxxxxx> wrote: > Adding three machines at once is what I was trying to avoid (I believe that > I need 3 replicas to make things reasonably redundant). From first glance, You need 3 machines to *start with*, to have 3 truly independent replicas. After that point, there's nothing preventing you from growing one machine -- or one disk -- at a time. -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html