[Bug 1239734] Re: corosync sends first time users on a hunt, simple fix

[Rafael David Tinoco]

Currently corosync is started by default with a single node ring formed
with localhost:

(c)rafaeldtinoco at clusterdev:~/.../sources/ubuntu/corosync$ systemctl status corosync
● corosync.service - Corosync Cluster Engine
     Loaded: loaded (/lib/systemd/system/corosync.service; enabled; vendor preset: enabled)
     Active: active (running) since Thu 2020-03-19 20:16:49 UTC; 2min 10s ago
       Docs: man:corosync
             man:corosync.conf
             man:corosync_overview
   Main PID: 851 (corosync)
      Tasks: 9 (limit: 23186)
     Memory: 125.7M
     CGroup: /system.slice/corosync.service
             └─851 /usr/sbin/corosync -f

(c)rafaeldtinoco at clusterdev:~/.../sources/ubuntu/corosync$ sudo corosync-quorumtool
Quorum information
------------------
Date:             Thu Mar 19 20:19:37 2020
Quorum provider:  corosync_votequorum
Nodes:            1
Node ID:          1
Ring ID:          1.5
Quorate:          Yes

Votequorum information
----------------------
Expected votes:   1
Highest expected: 1
Total votes:      1
Quorum:           1
Flags:            Quorate

Membership information
----------------------
    Nodeid      Votes Name
         1          1 node1 (local)

Because we try to make things "easier" (no failure on startups because
the lack of configuration files, for example). Of course having a HA
cluster is something beyond the scope of this bug and it might require
an experienced system administrator to be able to make corosync to work
in a meaningful way.

Nevertheless, for any future bug readers, may I recommend the following
reading:

https://discourse.ubuntu.com/t/ubuntu-high-availability-shared-scsi-
disk-environments/14874

in order to get a simple, yet supported, cluster configuration in a
shared scsi environment.

Thanks for reporting this.

** Changed in: corosync (Ubuntu)
       Status: Triaged => Fix Released

** Changed in: corosync (Ubuntu)
     Assignee: Rafael David Tinoco (rafaeldtinoco) => (unassigned)

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Title:
  corosync sends first time users on a hunt, simple fix

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