Hallo, in my OpenStack Mitaka, I have installed the additional service "Manila" with a CephFS backend. Everything is working. All shares are created successfully: manila show 9dd24065-97fb-4bcd-9ad1-ca63d40bf3a8 +-----------------------------+------------------------------------------------------------------------------------------------------------------------+ | Property | Value | +-----------------------------+------------------------------------------------------------------------------------------------------------------------+ | status | available | | share_type_name | cephfs | | description | None | | availability_zone | nova | | share_network_id | None | | export_locations | | | | path = 10.152.132.71:6789,10.152.132.72:6789,10.152.132.73:6789:/volumes/_nogroup/b27ad01a-245f-49e2-8974-1ed0ce8e259e | | | preferred = False | | | is_admin_only = False | | | id = 9b7d7e9e-d661-4fa0-89d7-9727efb75554 | | | share_instance_id = b27ad01a-245f-49e2-8974-1ed0ce8e259e | | share_server_id | None | | host | os-sharedfs@cephfs#cephfs | | access_rules_status | active | | snapshot_id | None | | is_public | False | | task_state | None | | snapshot_support | True | | id | 9dd24065-97fb-4bcd-9ad1-ca63d40bf3a8 | | size | 1 | | name | cephshare1 | | share_type | 2a62fda4-82ce-4798-9a85-c800736b01e5 | | has_replicas | False | | replication_type | None | | created_at | 2016-05-30T13:09:11.000000 | | share_proto | CEPHFS | | consistency_group_id | None | | source_cgsnapshot_member_id | None | | project_id | cf03dbf6f7d04ff6bda0c65cb8395ded | | metadata | {} | +-----------------------------+------------------------------------------------------------------------------------------------------------------------+ When I try to mount the share into a client machine via the kernel driver: mount -t ceph os-storage01,os-storage02,os-storage03:/volumes/_nogroup/b27ad01a-245f-49e2-8974-1ed0ce8e259e /tmp/test -o name=testclient,secret=AQDKO0xX6UgQNhAAe/9nJH1RGes0VzTZ+I04eQ== I get the following error: mount error 5 = Input/output error When I use "ceph-fuse" without any further modifications, everything is working: ceph-fuse /tmp/test --id=testclient --conf=/etc/ceph/ceph.conf --keyring=/etc/ceph/ceph.client.testclient.keyring --client-mountpoint=/volumes/_nogroup/b27ad01a-245f-49e2-8974-1ed0ce8e259e I have tried to mount the "volumes" folder with kernel driver: mount -t ceph os-storage01,os-storage02,os-storage03:/volumes /tmp/test -o name=testclient,secret=AQDKO0xX6UgQNhAAe/9nJH1RGes0VzTZ+I04eQ== It works so far, but when I try to list the folder's content, I get the "Input/output error": cd /tmp/test/_nogroup ls ls: cannot access '4f6f4f58-6a54-4300-8cb3-6d3a7debad61': Input/output error ls: cannot access '83de097f-4fd4-4168-82e3-697dab6fa645': Input/output error ls: cannot access '9a27fbd1-5446-47a3-8de5-0db57f624d09': Input/output error ls: cannot access 'b27ad01a-245f-49e2-8974-1ed0ce8e259e': Input/output error 4f6f4f58-6a54-4300-8cb3-6d3a7debad61 83de097f-4fd4-4168-82e3-697dab6fa645 9a27fbd1-5446-47a3-8de5-0db57f624d09 b27ad01a-245f-49e2-8974-1ed0ce8e259e I am using Ubuntu Server 16.04 (Xenial) with the current kernel "4.4.0-23-generic". Can someone help me to get the mount working via the kernel driver? _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com