With this fix the block device information is being persisted to DB even if exception occurs. This wasn't the case for the methods wrapped with the @update_db decorator, which was causing Nova to not save data about volumes.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHBA-2016-0361.html
Verified that volumes are correctly mapped to instances and removed along with the instance. The failure scenario described in the bug was never observed since cinder attach of volume was successful in all tries. ************* Version ************* [root@rhos-compute-node-02 ~(keystone_admin)]# yum list installed | grep openstack-nova openstack-nova-api.noarch 2014.1.5-27.el7ost @rhelosp-5.0-el7-puddle openstack-nova-cert.noarch 2014.1.5-27.el7ost @rhelosp-5.0-el7-puddle openstack-nova-common.noarch 2014.1.5-27.el7ost @rhelosp-5.0-el7-puddle openstack-nova-compute.noarch 2014.1.5-27.el7ost @rhelosp-5.0-el7-puddle openstack-nova-conductor.noarch 2014.1.5-27.el7ost @rhelosp-5.0-el7-puddle openstack-nova-console.noarch 2014.1.5-27.el7ost @rhelosp-5.0-el7-puddle openstack-nova-novncproxy.noarch 2014.1.5-27.el7ost @rhelosp-5.0-el7-puddle openstack-nova-scheduler.noarch 2014.1.5-27.el7ost @rhelosp-5.0-el7-puddle [root@rhos-compute-node-02 ~(keystone_admin)]# ******** Logs ******** [root@rhos-compute-node-02 ~(keystone_admin)]# [root@rhos-compute-node-02 ~(keystone_admin)]# nova boot --flavor 2 --block-device source=image,id=a73e61d5-633e-4f3e-a728-c1c6b4dc946f,dest=volume,size=10,shutdown=preserve,bootindex=0 vm01 +--------------------------------------+-------------------------------------------------+ | Property | Value | +--------------------------------------+-------------------------------------------------+ | OS-DCF:diskConfig | MANUAL | | OS-EXT-AZ:availability_zone | nova | | OS-EXT-SRV-ATTR:host | - | | OS-EXT-SRV-ATTR:hypervisor_hostname | - | | OS-EXT-SRV-ATTR:instance_name | instance-00000005 | | OS-EXT-STS:power_state | 0 | | OS-EXT-STS:task_state | scheduling | | OS-EXT-STS:vm_state | building | | OS-SRV-USG:launched_at | - | | OS-SRV-USG:terminated_at | - | | accessIPv4 | | | accessIPv6 | | | adminPass | Bo82VrUFtx5F | | config_drive | | | created | 2016-03-01T18:32:37Z | | flavor | m1.small (2) | | hostId | | | id | f8f7d003-60f7-418f-aeab-1be34a3ccdc9 | | image | Attempt to boot from volume - no image supplied | | key_name | - | | metadata | {} | | name | vm01 | | os-extended-volumes:volumes_attached | [] | | progress | 0 | | security_groups | default | | status | BUILD | | tenant_id | aa8e7fc282f849fc9099e4b3910fd291 | | updated | 2016-03-01T18:32:37Z | | user_id | d45021949119414b97b55a94f7737ea2 | +--------------------------------------+-------------------------------------------------+ [root@rhos-compute-node-02 ~(keystone_admin)]# [root@rhos-compute-node-02 ~(keystone_admin)]# [root@rhos-compute-node-02 ~(keystone_admin)]# nova list +--------------------------------------+------+--------+------------+-------------+---------------------+ | ID | Name | Status | Task State | Power State | Networks | +--------------------------------------+------+--------+------------+-------------+---------------------+ | f8f7d003-60f7-418f-aeab-1be34a3ccdc9 | vm01 | ACTIVE | - | Running | public=172.24.4.231 | +--------------------------------------+------+--------+------------+-------------+---------------------+ [root@rhos-compute-node-02 ~(keystone_admin)]# cinder list +--------------------------------------+--------+--------------+------+-------------+----------+--------------------------------------+ | ID | Status | Display Name | Size | Volume Type | Bootable | Attached to | +--------------------------------------+--------+--------------+------+-------------+----------+--------------------------------------+ | 3bc99f74-cbbe-4460-b1a7-1483236725c7 | in-use | | 10 | None | true | f8f7d003-60f7-418f-aeab-1be34a3ccdc9 | +--------------------------------------+--------+--------------+------+-------------+----------+--------------------------------------+ MariaDB [nova]> MariaDB [nova]> select * from block_device_mapping where instance_uuid = 'f8f7d003-60f7-418f-aeab-1be34a3ccdc9' \G; *************************** 1. row *************************** created_at: 2016-03-01 18:32:37 updated_at: 2016-03-01 18:32:41 deleted_at: NULL id: 5 device_name: /dev/vda delete_on_termination: 0 snapshot_id: NULL volume_id: 3bc99f74-cbbe-4460-b1a7-1483236725c7 volume_size: 10 no_device: NULL connection_info: {"driver_volume_type": "iscsi", "serial": "3bc99f74-cbbe-4460-b1a7-1483236725c7", "data": {"access_mode": "rw", "target_discovered": false, "encrypted": false, "qos_specs": null, "target_iqn": "iqn.2010-10.org.openstack:volume-3bc99f74-cbbe-4460-b1a7-1483236725c7", "target_portal": "10.8.0.50:3260", "volume_id": "3bc99f74-cbbe-4460-b1a7-1483236725c7", "target_lun": 0, "device_path": "/dev/disk/by-path/ip-10.8.0.50:3260-iscsi-iqn.2010-10.org.openstack:volume-3bc99f74-cbbe-4460-b1a7-1483236725c7-lun-0", "auth_password": "xKeK9PAsPQh3ChmzwpZ7", "auth_username": "XJdjVNpoHgYLQhD3LL2Y", "auth_method": "CHAP"}} instance_uuid: f8f7d003-60f7-418f-aeab-1be34a3ccdc9 deleted: 0 source_type: image destination_type: volume guest_format: NULL device_type: disk disk_bus: virtio boot_index: 0 image_id: a73e61d5-633e-4f3e-a728-c1c6b4dc946f 1 row in set (0.00 sec) MariaDB [nova]> use cinder; Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Database changed MariaDB [cinder]> MariaDB [cinder]> select * from volumes where id='3bc99f74-cbbe-4460-b1a7-1483236725c7' \G; *************************** 1. row *************************** created_at: 2016-03-01 18:32:38 updated_at: 2016-03-01 18:32:40 deleted_at: NULL deleted: 0 id: 3bc99f74-cbbe-4460-b1a7-1483236725c7 ec2_id: NULL user_id: d45021949119414b97b55a94f7737ea2 project_id: aa8e7fc282f849fc9099e4b3910fd291 host: rhos-compute-node-02.lab.eng.rdu2.redhat.com size: 10 availability_zone: nova instance_uuid: f8f7d003-60f7-418f-aeab-1be34a3ccdc9 mountpoint: /dev/vda attach_time: 2016-03-01T18:32:40.720727 status: in-use attach_status: attached scheduled_at: 2016-03-01 18:32:38 launched_at: 2016-03-01 18:32:39 terminated_at: NULL display_name: display_description: provider_location: 10.8.0.50:3260,iqn.2010-10.org.openstack:volume-3bc99f74-cbbe-4460-b1a7-1483236725c7 iqn.2010-10.org.openstack:volume-3bc99f74-cbbe-4460-b1a7-1483236725c7 0 provider_auth: CHAP XJdjVNpoHgYLQhD3LL2Y xKeK9PAsPQh3ChmzwpZ7 snapshot_id: NULL volume_type_id: NULL source_volid: NULL bootable: 1 attached_host: NULL provider_geometry: NULL _name_id: NULL encryption_key_id: NULL migration_status: NULL 1 row in set (0.00 sec) ***************************************** Deleteing volume upon removing instance ***************************************** [root@rhos-compute-node-02 ~(keystone_admin)]# [root@rhos-compute-node-02 ~(keystone_admin)]# nova boot --flavor 2 --block-device-mapping vda=d5b65335-d32c-41fd-8c96-0bc161ff9d23:::1 vm02+--------------------------------------+--------------------------------------------------+ | Property | Value | +--------------------------------------+--------------------------------------------------+ | OS-DCF:diskConfig | MANUAL | | OS-EXT-AZ:availability_zone | nova | | OS-EXT-SRV-ATTR:host | - | | OS-EXT-SRV-ATTR:hypervisor_hostname | - | | OS-EXT-SRV-ATTR:instance_name | instance-00000008 | | OS-EXT-STS:power_state | 0 | | OS-EXT-STS:task_state | scheduling | | OS-EXT-STS:vm_state | building | | OS-SRV-USG:launched_at | - | | OS-SRV-USG:terminated_at | - | | accessIPv4 | | | accessIPv6 | | | adminPass | mLZawx47QYbE | | config_drive | | | created | 2016-03-01T19:49:29Z | | flavor | m1.small (2) | | hostId | | | id | a6b2d9a8-a673-445a-80c9-02b9dabfbc35 | | image | Attempt to boot from volume - no image supplied | | key_name | - | | metadata | {} | | name | vm02 | | os-extended-volumes:volumes_attached | [{"id": "d5b65335-d32c-41fd-8c96-0bc161ff9d23"}] | | progress | 0 | | security_groups | default | | status | BUILD | | tenant_id | aa8e7fc282f849fc9099e4b3910fd291 | | updated | 2016-03-01T19:49:29Z | | user_id | d45021949119414b97b55a94f7737ea2 | +--------------------------------------+--------------------------------------------------+ [root@rhos-compute-node-02 ~(keystone_admin)]# [root@rhos-compute-node-02 ~(keystone_admin)]# [root@rhos-compute-node-02 ~(keystone_admin)]# nova list +--------------------------------------+------+--------+------------+-------------+---------------------+ | ID | Name | Status | Task State | Power State | Networks | +--------------------------------------+------+--------+------------+-------------+---------------------+ | a6b2d9a8-a673-445a-80c9-02b9dabfbc35 | vm02 | ACTIVE | - | Running | public=172.24.4.234 | +--------------------------------------+------+--------+------------+-------------+---------------------+ [root@rhos-compute-node-02 ~(keystone_admin)]# [root@rhos-compute-node-02 ~(keystone_admin)]# [root@rhos-compute-node-02 ~(keystone_admin)]# cinder list +--------------------------------------+--------+--------------+------+-------------+----------+--------------------------------------+ | ID | Status | Display Name | Size | Volume Type | Bootable | Attached to | +--------------------------------------+--------+--------------+------+-------------+----------+--------------------------------------+ | d5b65335-d32c-41fd-8c96-0bc161ff9d23 | in-use | bootvol | 2 | None | true | a6b2d9a8-a673-445a-80c9-02b9dabfbc35 | +--------------------------------------+--------+--------------+------+-------------+----------+--------------------------------------+ [root@rhos-compute-node-02 ~(keystone_admin)]# [root@rhos-compute-node-02 ~(keystone_admin)]# [root@rhos-compute-node-02 ~(keystone_admin)]# nova delete vm02 [root@rhos-compute-node-02 ~(keystone_admin)]# [root@rhos-compute-node-02 ~(keystone_admin)]# [root@rhos-compute-node-02 ~(keystone_admin)]# nova list +----+------+--------+------------+-------------+----------+ | ID | Name | Status | Task State | Power State | Networks | +----+------+--------+------------+-------------+----------+ +----+------+--------+------------+-------------+----------+ [root@rhos-compute-node-02 ~(keystone_admin)]# [root@rhos-compute-node-02 ~(keystone_admin)]# [root@rhos-compute-node-02 ~(keystone_admin)]# cinder list +----+--------+--------------+------+-------------+----------+-------------+ | ID | Status | Display Name | Size | Volume Type | Bootable | Attached to | +----+--------+--------------+------+-------------+----------+-------------+ +----+--------+--------------+------+-------------+----------+-------------+ [root@rhos-compute-node-02 ~(keystone_admin)]# [root@rhos-compute-node-02 ~(keystone_admin)]#