Comment 1 for bug 1933443

Details of the call:

root@ctl01:~# cat zhaoyx01rc
export OS_USERNAME=zhaoyx01
export OS_PASSWORD=zhaoyx01
export OS_PROJECT_NAME=zhaoyx01
export OS_USER_DOMAIN_NAME=Default
export OS_PROJECT_DOMAIN_NAME=Default
export OS_AUTH_URL=http://ctl01:5000/v3
export OS_IDENTITY_API_VERSION=3

root@ctl01:~# . zhaoyx01rc
root@ctl01:~# cinder create 1 --name test1 #id:a501a4a7-a354-4fd3-88e3-c79690d45432
root@ctl01:~# cinder backup-create a501a4a7-a354-4fd3-88e3-c79690d45432 --name test1-b #id:b7d433e9-1167-451c-afe2-af503c1b2637

### Query the backup-related objects in the rgw bucket
root@ctl01:~# radosgw-admin bucket list --bucket 6a478c559734491482febaf0394307bc/backup |grep b7d433e9-1167-451c-afe2-af503c1b2637
        "name": "volume_a501a4a7-a354-4fd3-88e3-c79690d45432/20210624083701/az_nova_backup_b7d433e9-1167-451c-afe2-af503c1b2637-00001",
        "name": "volume_a501a4a7-a354-4fd3-88e3-c79690d45432/20210624083701/az_nova_backup_b7d433e9-1167-451c-afe2-af503c1b2637-00002",
        "name": "volume_a501a4a7-a354-4fd3-88e3-c79690d45432/20210624083701/az_nova_backup_b7d433e9-1167-451c-afe2-af503c1b2637-00003",
        "name": "volume_a501a4a7-a354-4fd3-88e3-c79690d45432/20210624083701/az_nova_backup_b7d433e9-1167-451c-afe2-af503c1b2637_metadata",
        "name": "volume_a501a4a7-a354-4fd3-88e3-c79690d45432/20210624083701/az_nova_backup_b7d433e9-1167-451c-afe2-af503c1b2637_sha256file",

### Use admin user to delete backup
root@ctl01:~# cat adminrc
export OS_USERNAME=admin
export OS_PASSWORD=ADMIN_PASS
export OS_PROJECT_NAME=admin
export OS_USER_DOMAIN_NAME=Default
export OS_PROJECT_DOMAIN_NAME=Default
export OS_AUTH_URL=http://ctl01:5000/v3
export OS_IDENTITY_API_VERSION=3

root@ctl01:~# . adminrc
root@ctl01:~# cinder backup-delete b7d433e9-1167-451c-afe2-af503c1b2637
Request to delete backup b7d433e9-1167-451c-afe2-af503c1b2637 has been accepted.
root@ctl01:~# cinder backup-show b7d433e9-1167-451c-afe2-af503c1b2637
ERROR: No volumebackup with a name or ID of 'b7d433e9-1167-451c-afe2-af503c1b2637' exists.

MariaDB [cinder]> select deleted from backups where id='b7d433e9-1167-451c-afe2-af503c1b2637';
+---------+
| deleted |
+---------+
| 1 |
+---------+
1 row in set (0.000 sec)

### Query the backup-related objects in the rgw bucket again
root@ctl01:~# radosgw-admin bucket list --bucket 6a478c559734491482febaf0394307bc/backup |grep b7d433e9-1167-451c-afe2-af503c1b2637
        "name": "volume_a501a4a7-a354-4fd3-88e3-c79690d45432/20210624083701/az_nova_backup_b7d433e9-1167-451c-afe2-af503c1b2637-00001",
        "name": "volume_a501a4a7-a354-4fd3-88e3-c79690d45432/20210624083701/az_nova_backup_b7d433e9-1167-451c-afe2-af503c1b2637-00002",
        "name": "volume_a501a4a7-a354-4fd3-88e3-c79690d45432/20210624083701/az_nova_backup_b7d433e9-1167-451c-afe2-af503c1b2637-00003",
        "name": "volume_a501a4a7-a354-4fd3-88e3-c79690d45432/20210624083701/az_nova_backup_b7d433e9-1167-451c-afe2-af503c1b2637_metadata",
        "name": "volume_a501a4a7-a354-4fd3-88e3-c79690d45432/20210624083701/az_nova_backup_b7d433e9-1167-451c-afe2-af503c1b2637_sha256file",

Found that the object data has not been deleted