CEPH quincy installation on Ubuntu 20.04 using ceph-ansible

[dbenduga]

Hi,

I am installing quincy ceph on Ubuntu 20.04 using ceph-ansible however it failed at "TASK [ceph-mon : waiting for the monitor(s) to form the quorum...]"

-- Error---
fatal: [ubuntu-mon1]: FAILED! => changed=false
  attempts: 10
  cmd:
  - docker
  - exec
  - ceph-mon-ubuntu-mon1
  - ceph
  - --cluster
  - ubuntu-quincy
  - daemon
  - mon.ubuntu-mon1
  - mon_status
  - --format
  - json
  delta: '0:00:00.214195'
  end: '2022-09-27 12:58:14.550906'
  msg: ''
  rc: 0
  start: '2022-09-27 12:58:14.336711'
  stderr: ''
  stderr_lines: <omitted>
  stdout: '{"name":"ubuntu-mon1","rank":0,"state":"probing","election_epoch":0,"quorum":[],"features":{"required_con":"0","required_mon":[],"quorum_con":"0","quorum_mon":[]},"outside_quorum":["ubuntu-mon1"],"extra_probe_peers":[{"addrvec":[{"type":"v2","addr":"10.182.71.202:3300","nonce":0},{"type":"v1","addr":"10.182.71.202:6789","nonce":0}]},{"addrvec":[{"type":"v2","addr":"10.182.71.203:3300","nonce":0},{"type":"v1","addr":"10.182.71.203:6789","nonce":0}]}],"sync_provider":[],"monmap":{"epoch":0,"fsid":"4414c94a-4369-4528-bbfc-6f9c506f1392","modified":"2022-09-27T12:54:45.806820Z","created":"2022-09-27T12:54:45.806820Z","min_mon_release":0,"min_mon_release_name":"unknown","election_strategy":1,"disallowed_leaders: ":"","stretch_mode":false,"tiebreaker_mon":"","features":{"persistent":[],"optional":[]},"mons":[{"rank":0,"name":"ubuntu-mon1","public_addrs":{"addrvec":[{"type":"v2","addr":"10.182.71.201:3300","nonce":0},{"type":"v1","addr":"10.182.71.201:6789","nonce":0}]},"addr":"10.182.71.201:6789/0","public_addr":"10.182.71.201:6789/0","priority":0,"weight":0,"crush_location":"{}"},{"rank":1,"name":"ubuntu-mon2","public_addrs":{"addrvec":[{"type":"v1","addr":"0.0.0.0:0","nonce":1}]},"addr":"0.0.0.0:0/1","public_addr":"0.0.0.0:0/1","priority":0,"weight":0,"crush_location":"{}"},{"rank":2,"name":"ubuntu-mon3","public_addrs":{"addrvec":[{"type":"v1","addr":"0.0.0.0:0","nonce":2}]},"addr":"0.0.0.0:0/2","public_addr":"0.0.0.0:0/2","priority":0,"weight":0,"crush_location":"{}"}]},"feature_map":{"mon":[{"features":"0x3f01cfbf7ffdffff","release":"luminous","num":1}]},"stretch_mode":false}'
  stdout_lines: <omitted>

[guits]

Most of the time it's a misconfiguration, a networking issue, or something like that. In any case, this issue is definitely lacking details... Please, as requested when you open an issue, provide all asked details.

[dbenduga]

I tried to install ceph using only one MON node and it pass quorum stage however it stuck at LVM creation.

Again i tried with two mon nodes and it failed at quorum task..

Have you installed quincy ceph on ubuntu using ceph-ansible.. If yes, could you please provide config files?

please find configuration files.

Configuration File --

all.yml

---
dummy:
cluster: quincy
mon_group_name: mons
osd_group_name: osds
rgw_group_name: rgws
mds_group_name: mdss
nfs_group_name: nfss
mgr_group_name: mgrs
configure_firewall: True
ceph_mon_firewall_zone: public
ceph_mgr_firewall_zone: public
ceph_osd_firewall_zone: public
ceph_mds_firewall_zone: public
ntp_daemon_type: chronyd
ceph_origin: repository
ceph_repository: community
ceph_stable_release: quincy
generate_fsid: true
monitor_interface: ens160
ip_version: ipv4
dashboard_enabled: True
dashboard_protocol: https
dashboard_port: 8443
dashboard_admin_user: admin
dashboard_admin_password: p@ssw0rd

===================== osd.yml

---
dummy:
devices:
  - /dev/sdf
osd_auto_discovery: false
dmcrypt: False

[mcodenie]

It seems didn't enable the monitoring line in all.yml, maybe this is related as experienced before. monitoring_group_name: monitoring

Then in your inventory file add the host(s).

[monitoring]
ubuntu-mon1

Check for info in the all.yml under #adopt_label_group_names: or you refer this link for additional insights.

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