Hi, On 09/03/2015 04:06, kenmasida wrote : > I have resolved the problem,thank you very much。 When I use ceph-fuse to mount the client,it work well. Good news but can you give the kernel version of your client cephfs OS? Like you, I had one problem with cephfs in the client side and it come probably from the kernel 3.16 of my cephfs clients because (like you) my problem didn't produce with ceph-fuse or with a kernel 3.13. -- François Lafont _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com