Error While Applying Cinder Role to Rocky Linux Hosts

Problem

While applying cinder role to the Rocky Linux based hosts, seeing below erorrs in cinder logs:

cinder logs

2024-02-09 09:17:08.812 INFO cinder.volume.manager [req-34270f99-fbeb-4e11-9fd4-0e49162c578b None None] Starting volume driver RBDDriver (1.2.0)
2024-02-09 09:17:08.812 ERROR cinder.volume.manager [req-34270f99-fbeb-4e11-9fd4-0e49162c578b None None] Failed to initialize driver.: cinder.exception.VolumeBackendAPIException: Bad or unexpected response from the storage volume backend API: rados and rbd python libraries not found
2024-02-09 09:17:08.812 TRACE cinder.volume.manager Traceback (most recent call last):
2024-02-09 09:17:08.812 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python3.9/site-packages/cinder/volume/manager.py", line 469, in _init_host
2024-02-09 09:17:08.812 TRACE cinder.volume.manager     self.driver.check_for_setup_error()
2024-02-09 09:17:08.812 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python3.9/site-packages/cinder/volume/drivers/rbd.py", line 342, in check_for_setup_error
2024-02-09 09:17:08.812 TRACE cinder.volume.manager     raise exception.VolumeBackendAPIException(data=msg)
2024-02-09 09:17:08.812 TRACE cinder.volume.manager cinder.exception.VolumeBackendAPIException: Bad or unexpected response from the storage volume backend API: rados and rbd python libraries not found
2024-02-09 09:17:08.812 TRACE cinder.volume.manager
2024-02-09 09:17:09.816 INFO cinder.volume.manager [req-34270f99-fbeb-4e11-9fd4-0e49162c578b None None] Starting volume driver RBDDriver (1.2.0)
2024-02-09 09:17:09.817 ERROR cinder.volume.manager [req-34270f99-fbeb-4e11-9fd4-0e49162c578b None None] Failed to initialize driver.: cinder.exception.VolumeBackendAPIException: Bad or unexpected response from the storage volume backend API: rados and rbd python libraries not found
2024-02-09 09:17:09.817 TRACE cinder.volume.manager Traceback (most recent call last):
2024-02-09 09:17:09.817 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python3.9/site-packages/cinder/volume/manager.py", line 469, in _init_host
2024-02-09 09:17:09.817 TRACE cinder.volume.manager     self.driver.check_for_setup_error()
2024-02-09 09:17:09.817 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python3.9/site-packages/cinder/volume/drivers/rbd.py", line 342, in check_for_setup_error
2024-02-09 09:17:09.817 TRACE cinder.volume.manager     raise exception.VolumeBackendAPIException(data=msg)
2024-02-09 09:17:09.817 TRACE cinder.volume.manager cinder.exception.VolumeBackendAPIException: Bad or unexpected response from the storage volume backend API: rados and rbd python libraries not found
...
2024-02-09 09:17:11.821 TRACE cinder.volume.manager
2024-02-09 09:17:15.825 INFO cinder.volume.manager [req-34270f99-fbeb-4e11-9fd4-0e49162c578b None None] Starting volume driver RBDDriver (1.2.0)
2024-02-09 09:17:15.826 ERROR cinder.volume.manager [req-34270f99-fbeb-4e11-9fd4-0e49162c578b None None] Failed to initialize driver.: cinder.exception.VolumeBackendAPIException: Bad or unexpected response from the storage volume backend API: rados and rbd python libraries not found
2024-02-09 09:17:15.826 TRACE cinder.volume.manager Traceback (most recent call last):
2024-02-09 09:17:15.826 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python3.9/site-packages/cinder/volume/manager.py", line 469, in _init_host
2024-02-09 09:17:15.826 TRACE cinder.volume.manager     self.driver.check_for_setup_error()
2024-02-09 09:17:15.826 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python3.9/site-packages/cinder/volume/drivers/rbd.py", line 342, in check_for_setup_error
2024-02-09 09:17:15.826 TRACE cinder.volume.manager     raise exception.VolumeBackendAPIException(data=msg)
2024-02-09 09:17:15.826 TRACE cinder.volume.manager cinder.exception.VolumeBackendAPIException: Bad or unexpected response from the storage volume backend API: rados and rbd python libraries not found
2024-02-09 09:17:15.826 TRACE cinder.volume.manager
2024-02-09 09:17:18.373 INFO cinder.volume.manager [req-34270f99-fbeb-4e11-9fd4-0e49162c578b None None] Initializing RPC dependent components of volume driver RBDDriver (1.2.0)
2024-02-09 09:17:18.374 ERROR cinder.utils [req-34270f99-fbeb-4e11-9fd4-0e49162c578b None None] Volume driver RBDDriver not initialized

Environment

• Platform9 Managed OpenStack - v5.8 and Higher.

Answer

The RockyLinux-9.4 is having the supported libraries rados and rbd python libraries.

Additional Information

Impact on RockyLinux-9.1,9.2, 9.3.