After migrating failure, the volume detach failure

[Ji.Wei]

Precondition:

    The volume's status is in-use

    Migrate the volume, but failed
      | os-vol-mig-status-attr:migstat | error |

Operation: detach the volume

Error phenomenon: the volume's status is still in-use, but there is no attachment information

  +---------------------------------------+--------------------------------------+
| Property | Value |
+---------------------------------------+--------------------------------------+
| attachments | [] |
| availability_zone | nova |
| bootable | false |
| consistencygroup_id | None |
| created_at | 2016-05-16T01:45:01.000000 |
| description | None |
| encrypted | False |
| id | d7f2f79e-00e1-45bf-878b-75017e21d4b5 |
| metadata | {u'readonly': u'False'} |
| multiattach | False |
| name | Jw |
| os-vol-host-attr:host | 2C5_19_CG1@CEPH-1#ceph |
| os-vol-mig-status-attr:migstat | error |
| os-vol-mig-status-attr:name_id | None |
| os-vol-tenant-attr:tenant_id | 55bbe36a87af48c0af04c9204a49a854 |
| os-volume-replication:driver_data | None |
| os-volume-replication:extended_status | None |
| replication_status | disabled |
| size | 1 |
| snapshot_id | None |
| source_volid | None |
| status | in-use |
| user_id | 5650304261d74dbe8a4f7848661f95a6 |
| volume_type | ceph-1 |
+---------------------------------------+--------------------------------------+

[Cao ShuFeng (caosf-fnst)]

I can't reproduce this......