Snapshot deletion fails when using HPE 3PAR Cinder backend

Issue

• Ran the following steps, but failed on deleting a snapshot.

  1. Create a snapshot from a volume
  2. Create a volume from the snapshot
  3. Delete the snapshot

• Snapshot status is error_deleting.

  $ openstack volume snapshot show snapshot1
  +--------------------------------------------+--------------------------------------+
  | Field                                      | Value                                |
  +--------------------------------------------+--------------------------------------+
  | created_at                                 | 2023-01-01T01:01:00.000000           |
  | description                                |                                      |
  | id                                         | aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa |
  | name                                       | snapshot1                            |
  | os-extended-snapshot-attributes:progress   | 100%                                 |
  | os-extended-snapshot-attributes:project_id | aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa     |
  | properties                                 |                                      |
  | size                                       | 550                                  |
  | status                                     | error_deleting                       |
  | updated_at                                 | 2023-01-01T01:01:00.000000           |
  | volume_id                                  | aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa |
  +--------------------------------------------+--------------------------------------+