[Bug 1302633] [NEW] pacemaker: Discarding cib_apply_diff message (<number>) from <server>: not in our membership

[Chris J Arges]

Public bug reported:

[Impact]

 * Using 12.04 version of pacemaker in a VMWare enviornment will occasionally not sync on reboot.
 * The error message "warning: cib_peer_callback: DDiscarding cib_apply_diff message (<number>) from <server>: not in our membership" is present in log files.
 * It is expected the pacemaker syncs properly on reboot.

[Test Case]

 * Run 12.04 pacemaker in a VMWare environment and reboot multiple times.
 * This blog post has a decent write up on what happens: http://www.tomas.cat/blog/en/troubleshooting-pacemaker-discarding-cibapplydiff-message-xxx-server2-not-our-membership 

[Regression Potential]

 * The patch
https://github.com/ClusterLabs/pacemaker/commit/03f6105592281901cc10550b8ad19af4beb5f72f
has been identified as solving the issue. This patch is present in
pacemake-1.1.7 and beyond. This this code is in the quantal version and
beyond.

** Affects: pacemaker (Ubuntu)
     Importance: Undecided
         Status: Fix Released

** Affects: pacemaker (Ubuntu Precise)
     Importance: Medium
     Assignee: Chris J Arges (arges)
         Status: In Progress

** Also affects: pacemaker (Ubuntu Precise)
   Importance: Undecided
       Status: New

** Changed in: pacemaker (Ubuntu)
       Status: New => Fix Released

** Changed in: pacemaker (Ubuntu Precise)
     Assignee: (unassigned) => Chris J Arges (arges)

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

** Changed in: pacemaker (Ubuntu Precise)
       Status: New => In Progress

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https://bugs.launchpad.net/bugs/1302633

Title:
  pacemaker: Discarding cib_apply_diff message (<number>) from <server>:
  not in our membership

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