Happened during bootstrapping process of snap-openstack on a fresh VM.
Bootstrapped command used:
`sunbeam -v cluster bootstrap --role compute --role control --role storage`
```
unit-microceph-0: 13:09:22 WARNING unit.microceph/0.juju-log unable to get monitor info from DNS SRV with service name: ceph-mon
2023-05-30T13:09:22.950+0000 7f64567b5640 -1 failed for service _ceph-mon._tcp
2023-05-30T13:09:22.950+0000 7f64567b5640 -1 monclient: get_monmap_and_config cannot identify monitors to contact
[errno 2] RADOS object not found (error connecting to the cluster)
unit-microceph-0: 13:09:22 ERROR unit.microceph/0.juju-log Exception raised in section 'Bootstrapping': Command '['ceph', 'config', 'set', 'global', 'mon_allow_pool_size_one', 'true']' returned non-zero exit status 1.
unit-microceph-0: 13:09:22 ERROR unit.microceph/0.juju-log Traceback (most recent call last):
File "/var/lib/juju/agents/unit-microceph-0/charm/venv/ops_sunbeam/guard.py", line 91, in guard
yield
File "/var/lib/juju/agents/unit-microceph-0/charm/venv/ops_sunbeam/charm.py", line 268, in configure_charm
self.configure_app(event)
File "/var/lib/juju/agents/unit-microceph-0/charm/venv/ops_sunbeam/charm.py", line 255, in configure_app
self.configure_app_leader(event)
File "/var/lib/juju/agents/unit-microceph-0/charm/./src/charm.py", line 242, in configure_app_leader
self.configure_ceph()
File "/var/lib/juju/agents/unit-microceph-0/charm/./src/charm.py", line 346, in configure_ceph
raise e
File "/var/lib/juju/agents/unit-microceph-0/charm/./src/charm.py", line 338, in configure_ceph
process = subprocess.run(
File "/usr/lib/python3.10/subprocess.py", line 524, in run
raise CalledProcessError(retcode, process.args,
subprocess.CalledProcessError: Command '['ceph', 'config', 'set', 'global', 'mon_allow_pool_size_one', 'true']' returned non-zero exit status 1.
```
