Hi,

We are facing something similar with 

(cinder-volume)[root@cn36x005 /]# apt policy python3-redis
python3-redis:
  Installed: 3.3.11-3~bpo10+1
  Candidate: 3.3.11-3~bpo10+1
  Version table:
*** 3.3.11-3~bpo10+1 100
        100 /var/lib/dpkg/status
(cinder-volume)[root@cn36x005 /]# apt policy python3-tooz
python3-tooz:
  Installed: 2.7.2-1~bpo10+1
  Candidate: 2.7.2-1~bpo10+1
  Version table:
*** 2.7.2-1~bpo10+1 100
        100 /var/lib/dpkg/status
(cinder-volume)[root@cn36x005 /]#


LOG:

2022-04-04 09:57:11.558 1074 WARNING tooz.drivers.redis [-] Unable to heartbeat lock '<tooz.drivers.redis.RedisLock object at 0x7fdcda6ee208>': tooz.ToozError: Cannot reacquire a lock that's no longer owned
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis Traceback (most recent call last):
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis   File "/usr/lib/python3/dist-packages/tooz/drivers/redis.py", line 58, in wrapper
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis     return func(*args, **kwargs)
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis   File "/usr/lib/python3/dist-packages/tooz/drivers/redis.py", line 132, in heartbeat
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis     self._lock.reacquire()
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis   File "/usr/lib/python3/dist-packages/redis/lock.py", line 265, in reacquire
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis     return self.do_reacquire()
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis   File "/usr/lib/python3/dist-packages/redis/lock.py", line 272, in do_reacquire
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis     raise LockNotOwnedError("Cannot reacquire a lock that's"
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis redis.exceptions.LockNotOwnedError: Cannot reacquire a lock that's no longer ownedc
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis The above exception was the direct cause of the following exception:
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis Traceback (most recent call last):
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis   File "/usr/lib/python3/dist-packages/tooz/drivers/redis.py", line 544, in heartbeat
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis     lock.heartbeat()
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis   File "/usr/lib/python3/dist-packages/tooz/drivers/redis.py", line 74, in wrapper
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis     cause=e)
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis   File "/usr/lib/python3/dist-packages/tooz/utils.py", line 224, in raise_with_cause
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis     excutils.raise_with_cause(exc_cls, message, *args, **kwargs)
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 143, in raise_with_cause
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis     six.raise_from(exc_cls(message, *args, **kwargs), kwargs.get('cause'))
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis   File "<string>", line 3, in raise_from
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis tooz.ToozError: Cannot reacquire a lock that's no longer owned
2022-04-04 09:57:11.558 1074 ERROR tooz.drivers.redis


Any ideas ? 

Thanks