Hi All, I run the command: [ceph at ceph-client ~]$ sudo rbd map ceph_block_dev --pool rbd --id admin -k /etc/ceph/ceph.client.admin.keyring ERROR: modinfo: could not find module rbd FATAL: Module rbd not found. rbd: modprobe rbd failed! (256) As you may already see, there got failed! Could you please help me to resolve this issue? Thanks, Jack -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.ceph.com/pipermail/ceph-users-ceph.com/attachments/20140509/86ce29a9/attachment.htm>