Comment 0 for bug 1891290

ceph-fs/0 - machine 9:

2020-08-11T19:26:50.590+0000 7f5518b6e480 0 pidfile_write: ignore empty --pid-file
2020-08-11T19:26:50.610+0000 7f5515335700 1 mds.juju-ba2406-zaza-f72a161d8af6-9 Updating MDS map to version 3 from mon.1
2020-08-11T19:26:55.222+0000 7f5515335700 1 mds.juju-ba2406-zaza-f72a161d8af6-9 Updating MDS map to version 4 from mon.1
2020-08-11T19:26:55.222+0000 7f5515335700 1 mds.juju-ba2406-zaza-f72a161d8af6-9 Monitors have assigned me to become a standby.

ceph-fs/1 - machine 10:

2020-08-11T19:27:35.632+0000 7feed672e480 0 pidfile_write: ignore empty --pid-file
2020-08-11T19:27:35.648+0000 7feed2ef5700 1 mds.juju-ba2406-zaza-f72a161d8af6-10 Updating MDS map to version 4 from mon.1
2020-08-11T19:27:39.712+0000 7feed2ef5700 1 mds.juju-ba2406-zaza-f72a161d8af6-10 Updating MDS map to version 5 from mon.1
2020-08-11T19:27:39.712+0000 7feed2ef5700 1 mds.juju-ba2406-zaza-f72a161d8af6-10 Monitors have assigned me to become a standby.

Which causes issues like this at the manila-ganesha side:

2020-08-11 19:46:44.020 32404 ERROR manila.share.manager File "/usr/lib/python3/dist-packages/ceph_volume_client.py", line 403, in get_mds_map
2020-08-11 19:46:44.020 32404 ERROR manila.share.manager return fs_map['filesystems'][0]['mdsmap']
2020-08-11 19:46:44.020 32404 ERROR manila.share.manager IndexError: list index out of range