Public bug reported:
When trying to upgrade from Mimic to Nautilus, the clients on the Mimic
nodes fail to talk to the monitor cluster as soon as the first unit is
upgraded:
# ceph -s
Traceback (most recent call last):
File "/usr/bin/ceph", line 1241, in <module>
retval = main()
File "/usr/bin/ceph", line 1165, in main
sigdict = parse_json_funcsigs(outbuf.decode('utf-8'), 'cli')
File "/usr/lib/python3/dist-packages/ceph_argparse.py", line 788, in
parse_json_funcsigs
cmd['sig'] = parse_funcsig(cmd['sig'])
File "/usr/lib/python3/dist-packages/ceph_argparse.py", line 728, in
parse_funcsig
raise JsonFormat(s)
ceph_argparse.JsonFormat: unknown type CephBool
The monitor cluster is actually still functional according to that same command
on the newly Nautilus unit:
$ sudo ceph -s
cluster:
id: 2734983c-c88f-11e9-b6f9-fa163e8108c2
health: HEALTH_OK
services:
mon: 3 daemons, quorum
juju-a792f2-ceph-mimic-upgrade-0,juju-a792f2-ceph-mimic-upgrade-1,juju-a792f2-ceph-mimic-upgrade-2
(age 3m)
mgr: juju-a792f2-ceph-mimic-upgrade-0(active), standbys:
juju-a792f2-ceph-mimic-upgrade-1, juju-a792f2-ceph-mimic-upgrade-2
osd: 3 osds: 3 up, 3 in
rgw: 1 daemon active (juju-a792f2-ceph-mimic-upgrade-6)
data:
pools: 15 pools, 46 pgs
objects: 187 objects, 1.1 KiB
usage: 3.0 GiB used, 27 GiB / 30 GiB avail
pgs: 46 active+clean
** Affects: ceph (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1841524
Title:
Mimic clients can't talk to mixed M+N Cluster
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