On Tue, Jul 28, 2015 at 2:46 PM, van <chaofanyu@xxxxxxxxxxx> wrote: > Hi, Ilya, > > In the dmesg, there is also a lot of libceph socket error, which I think > may be caused by my stopping ceph service without unmap rbd. Well, sure enough, if you kill all OSDs, the filesystem mounted on top of rbd device will get stuck. Thanks, Ilya _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com