Hi, 
My problem is:
openstack volume backup list --all-projects
+--------------------------------------+------------------+-------------+--------+------+
| ID                                   | Name             | Description | Status | Size |
+--------------------------------------+------------------+-------------+--------+------+
| af77d0e5-b00b-4dd2-9f98-4f6cce1f28b7 | kube ok          |             | error  |   40 |
| de360574-cb9d-48ae-afaa-7147176dafad | sauvegarde servb |             | error  |   15 |
| 017e7b58-ffa4-4133-9580-77ebd4261c8a | k3s-slave        |             | error  |   40 |
| 35d432e2-f5cc-478b-a6f6-023276df8756 | sae4dc01         |             | error  |   20 |
+--------------------------------------+------------------+-------------+--------+———+



openstack volume backup delete af77d0e5-b00b-4dd2-9f98-4f6cce1f28b7
Failed to delete backup with name or ID 'af77d0e5-b00b-4dd2-9f98-4f6cce1f28b7': Service cinder-backup could not be found. (HTTP 404) (Request-ID: req-0bca34a6-e353-4bf3-aafc-a7adb05b786b)
1 of 1 backups failed to delete.

openstack volume backup show af77d0e5-b00b-4dd2-9f98-4f6cce1f28b7
+-----------------------+----------------------------------------+
| Field                 | Value                                  |
+-----------------------+----------------------------------------+
| availability_zone     | None                                   |
| container             | None                                   |
| created_at            | 2025-01-28T22:47:22.000000             |
| data_timestamp        | 2024-12-09T10:09:54.000000             |
| description           |                                        |
| fail_reason           | Service not found for creating backup. |
| has_dependent_backups | False                                  |
| id                    | af77d0e5-b00b-4dd2-9f98-4f6cce1f28b7   |
| is_incremental        | False                                  |
| name                  | kube ok                                |
| object_count          | 0                                      |
| size                  | 40                                     |
| snapshot_id           | 41b6559f-1d13-47cc-987b-35b53420a97e   |
| status                | error                                  |
| updated_at            | 2025-01-28T22:47:22.000000             |
| volume_id             | 4743398b-dfcc-4a0c-8ddc-62a730278e26   |
+-----------------------+————————————————————+



I don't know how users were able to create these backups at one point, probably during a test of setting up this service before deleting it.
But now:  fail_reason           | Service not found for creating backup. 

How can I proceed to delete this volume backups ? I tried to restart the service and delete backups. No success.

Thanks for your help


Franck VEDEL