Thanks vor your replay.
Yes, I have some issues. In some cases starting or migrating a virtual machine failed.
At the moment it seems that I have a misconfiguration of my ceph connection:
2020-06-04 22:44:07,685+02 ERROR
[org.ovirt.engine.core.common.utils.cinderlib.CinderlibExecutor]
(EE-ManagedThreadFactory-engine-Thread-2771) [6e1b74c4] cinderlib execution failed:
Traceback (most recent call last):
File "./cinderlib-client.py", line 179, in main
args.command(args)
File "./cinderlib-client.py", line 232, in connect_volume
backend = load_backend(args)
File "./cinderlib-client.py", line 210, in load_backend
return cl.Backend(**json.loads(args.driver))
File "/usr/lib/python2.7/site-packages/cinderlib/cinderlib.py", line 88, in
__init__
self.driver.check_for_setup_error()
File "/usr/lib/python2.7/site-packages/cinder/volume/drivers/rbd.py", line
295, in check_for_setup_error
with RADOSClient(self):
File "/usr/lib/python2.7/site-packages/cinder/volume/drivers/rbd.py", line
177, in __init__
self.cluster, self.ioctx = driver._connect_to_rados(pool)
File "/usr/lib/python2.7/site-packages/cinder/volume/drivers/rbd.py", line
353, in _connect_to_rados
return _do_conn(pool, remote, timeout)
File "/usr/lib/python2.7/site-packages/cinder/utils.py", line 818, in
_wrapper
return r.call(f, *args, **kwargs)
File "/usr/lib/python2.7/site-packages/retrying.py", line 229, in call
raise attempt.get()
File "/usr/lib/python2.7/site-packages/retrying.py", line 261, in get
six.reraise(self.value[0], self.value[1], self.value[2])
File "/usr/lib/python2.7/site-packages/retrying.py", line 217, in call
attempt = Attempt(fn(*args, **kwargs), attempt_number, False)
File "/usr/lib/python2.7/site-packages/cinder/volume/drivers/rbd.py", line
351, in _do_conn
raise exception.VolumeBackendAPIException(data=msg)
VolumeBackendAPIException: Bad or unexpected response from the storage volume backend API:
Error connecting to ceph cluster.