Overview Description:
Delete a volume from the storage array, then try to attach it to a instance, nova-compute.log doesn't give a useful error message.
Steps to Reproduce:
1. cinder create --name <vol> 10
2. cinder show <vol> #get the ds8k volume id
3. rmfbvol <vol id> #remove the volume in ds8k
4. nova volume-attach instance <vol_id> auto
Actual Results:
ERROR oslo_messaging.rpc.dispatcher ClientException: The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-afa8e585-634a-445d-bf37-45945b9068db)
Expected Results:
TRACE oslo_messaging.rpc.dispatcher ClientException: VolumeBackendAPIException: Bad or unexpected response from the storage volume backend API: Driver initialize connection failed (error: Request to storage API failed: addLunMappings Volume group operation failure: volume does not exist. Contact IBM technical support for assistance. (https://9.11.242.187:8452/api/v1/hosts%5Bid=H7%5D/mappings)). (HTTP 500) (Request-ID: req-294c0316-c5ce-47d6-83f3-52e4af3e0bda)
Reproducibility: Always
Unassigning due to no activity.