Hello, Even though you did set the pool default size to 2 in your ceph configuration, I think this value (and others) is ignored in the initial setup, for the default pools. So either make sure these pools really have a replication of 2 by deleting and re-creating them or add a third storage node. Regards, Christian -- Christian Balzer Network/Systems Engineer chibi at gol.com Global OnLine Japan/Fusion Communications http://www.gol.com/