Hi you all,
it is a couple of days I'm facing this problem.
Although I already destroyed the cluster a couple of times I
continuously get these error
I instruct ceph to place 3 daemons
ceph orch apply mgr 3
--placement="cephstage01:10.20.20.81,cephstage02:10.20.20.82,cephstage03:10.20.20.83"
but
root@cephstage01:/# ceph -s
cluster:
id: 0827effc-302a-45a6-bb97-758d2a9e6835
health: HEALTH_ERR
Failed to apply 6 service(s):
alertmanager,grafana,mgr,mon,node-exporter,prometheus
failed to probe daemons or devices
2 mgr modules have failed
1 mgr modules have recently crashed
OSD count 0 < osd_pool_default_size 3
services:
mon: 2 daemons, quorum cephstage01,cephstagedatanode01 (age 21m)
mgr: cephstage01.ukwnlo(active, since 5h), standbys:
cephstagedatanode01.vqbwbz
osd: 0
root@cephstage01:/# ceph orch ls --service_name mgr --format yaml
service_type: mgr
service_name: mgr
placement:
hosts:
- cephstage01:10.20.20.81
- cephstage02:10.20.20.82
- cephstage03:10.20.20.83
status:
created: '2024-05-02T13:52:41.346547Z'
last_refresh: '2024-05-02T14:06:31.823024Z'
running: 2
size: 1
events:
- 2024-05-02T13:51:49.993145Z service:mgr [INFO] "service was created"
- '2024-05-02T13:53:45.566950Z service:mgr [ERROR] "Failed to apply:
Cannot place
<ServiceSpec for service_name=mgr> on cephstage02, cephstage03:
Unknown hosts"'
and when I check those hosts
root@cephstage01:/# ceph cephadm check-host cephstage03
cephstage03 (None) ok
docker (/usr/bin/docker) is present
systemctl is present
lvcreate is present
Unit chrony.service is enabled and running
Hostname "cephstage03" matches what is expected.
Host looks OK
they look fine.
every time I recreate the cluster it gives me the same errors: does
anybody have any idea?
thanks in advance
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