On Sun, Dec 18, 2011 at 19:32, <Eric_YH_Chen@xxxxxxxxxxx> wrote: > Hi, all: > > I met a situation that ceph system would hang at ‘rbd info <image>. > Only can reproduced on one image. > How can I know what happened? Is there any log that I can provide to you for analysis? Thanks! That would happen if the object that stores the rbd image header would be unreachable. Is your cluster healthy ("ceph health", "ceph -s")? -- 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