[Bug 1439649] Re: Pacemaker unable to communicate with corosync on restart under lxc

[Rafael David Tinoco]

>From Corosync 2.4.1 Release Notes:

This release contains fix for one regression and few more smaller fixes.

"""
During 2.3.6 development the bug which is causing pacemaker to not work after corosync configuration file is reloaded happened. Solution is ether to use this fixed version (recommended) or as a quick workaround (for users who wants to stay on 2.3.6 or 2.4.0) is to create file pacemaker (file name can be arbitrary) in /etc/corosync/uidgid.d directory with following content (you can also put same stanza into /etc/corosync/corosync.conf):

uidgid {
    gid: haclient
}
"""

Anyone relying in Trusty or Xenial corosync:

 corosync | 2.3.3-1ubuntu1   | trusty
 corosync | 2.3.3-1ubuntu4   | trusty-updates
 corosync | 2.3.5-3ubuntu1   | xenial
 corosync | 2.3.5-3ubuntu2.3 | xenial-security
 corosync | 2.3.5-3ubuntu2.3 | xenial-updates

should apply the mitigation above, like discovered previously by
commenters of this bug.

Note: Trusty is already EOS so I'm marking it as "won't fix".

Xenial should include the mitigation in a SRU.

** Changed in: pacemaker (Ubuntu Trusty)
       Status: Confirmed => Won't Fix

** Changed in: pacemaker (Ubuntu Trusty)
   Importance: Medium => Undecided

** Changed in: pacemaker (Ubuntu Xenial)
   Importance: Medium => High

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https://bugs.launchpad.net/bugs/1439649

Title:
  Pacemaker unable to communicate with corosync on restart under lxc

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