Volume multiattach is clearly marked as an unsupported feature within the ironic driver [1] so I'm marking this as invalid. If you would like to add support please raise a blueprint and/or spec [2].
[1] https://github.com/openstack/nova/blob/91e53e4c2b90ea57aeac4ec522dd7c8c54961d09/nova/virt/ironic/driver.py#L163 [2] https://docs.openstack.org/nova/latest/contributor/blueprints.html ** Changed in: nova Status: New => Invalid -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1923281 Title: failed to attach a volume with multiattach to an ironic instance Status in OpenStack Compute (nova): Invalid Bug description: Description It's no supported that attaches a volume has `multiattach` set to an ironic instance. It is supported if the volume set `multiattach` to `false`. Additionally,the storage back end for the volume has `multiattach` property. Steps to reproduce: * attach a multiattach volume to an ironic instance. `openstack --os-compute-api-version 2.60 server add volume <server-uuid> <volume-uuid>` Expected result The volume is attached to the server on /dev/* Actual result Volume <uuid> has 'multiattach' set, which is not supported for this instance. (HTTP 409) Environment * nova:18.2.4 * cinder: 13.0.8 * ironic: 11.1.3 * storage type: G2 Series block storage of Inspur Inc. * the volume is available state. * the instance is active and power on. * the baremetal volume connector has been created and can be sure is available. More * Logs of nova-compute for ironic: ERROR oslo_messaging.rpc.server [req-17d65e1f-0db3-442c-87eb-57d94ffa6940 421c1e16837b4189b9a6ae04ba4af86b 6e3d2c325bc94a5e8dbb41a7a73ae593 - default default] Exception during message handling: nova.exception.MultiattachNotSupportedByVirtDriver: Volume 3e9b3371-d56d-4b16-a180-00b835993662 has 'multiattach' set, which is not supported for this instance. To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1923281/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp
