Hiļ¼ŒDenis. The same problem I met with Aleksei.Step by step. Here is the information detected through glance cli. [root@node16 ~]# glance image-show 14443701-5003-485b-b4fb-a0d752cf9161 +----------------------+----------------------------------------------------------------------------------+ | Property | Value | +----------------------+----------------------------------------------------------------------------------+ | base_image_ref | | | bdm_v2 | True | | block_device_mapping | [{"guest_format": null, "boot_index": 0, "delete_on_termination": false, | | | "no_device": null, "snapshot_id": "ae6efbb0-15e5-4c57-80ec-c3ebbe516dc8", | | | "device_name": "/dev/vda", "disk_bus": "virtio", "image_id": null, | | | "source_type": "snapshot", "tag": null, "device_type": "disk", "volume_id": | | | null, "destination_type": "volume", "volume_size": 1}, {"guest_format": null, | | | "boot_index": null, "delete_on_termination": false, "no_device": null, | | | "snapshot_id": "17fb03b9-ca1f-4940-a100-9f3d5f14bd22", "device_name": | | | "/dev/vdb", "disk_bus": null, "image_id": null, "source_type": "snapshot", | | | "tag": null, "device_type": null, "volume_id": null, "destination_type": | | | "volume", "volume_size": 1}] | | boot_roles | admin,heat_stack_owner | | checksum | d41d8cd98f00b204e9800998ecf8427e | | container_format | bare | | created_at | 2017-09-26T06:25:38Z | | direct_url | rbd://4d09a2e1-b911-43af-bd8e-e7eba02feb9f/images/14443701-5003-485b-b4fb- | | | a0d752cf9161/snap | | disk_format | qcow2 | | id | 14443701-5003-485b-b4fb-a0d752cf9161 | | locations | [{"url": "rbd://4d09a2e1-b911-43af-bd8e-e7eba02feb9f/images/14443701-5003-485b- | | | b4fb-a0d752cf9161/snap", "metadata": {}}] | | min_disk | 2 | | min_ram | 0 | | name | 1-kuaizhao | | owner | c85dd8ac9aed4579862874dbc9dc83b8 | | protected | False | | root_device_name | /dev/vda | | size | 0 | | status | active | | tags | [] | | updated_at | 2017-09-26T06:25:39Z | | virtual_size | None | | visibility | private | +----------------------+----------------------------------------------------------------------------------+ [root@node16 ~]# on backend of ceph: [root@node16 ~]#rbd ls images -l |grep 14443701-5003-485b-b4fb-a0d752cf9161 14443701-5003-485b-b4fb-a0d752cf9161 0 bytes 2 14443701-5003-485b-b4fb-a0d752cf9161@snap 0 bytes 2 yes Looking forward to your solution.