Bug 1194475

Summary:	edge case causes colocation constraint not to be honored.
Product:	Red Hat Enterprise Linux 7	Reporter:	David Vossel <dvossel>
Component:	pacemaker	Assignee:	Andrew Beekhof <abeekhof>
Status:	CLOSED ERRATA	QA Contact:	cluster-qe <cluster-qe>
Severity:	high	Docs Contact:
Priority:	high
Version:	7.2	CC:	cluster-maint, fdinitto, jherrman, jkortus, mjuricek
Target Milestone:	rc	Keywords:	ZStream
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	pacemaker-1.1.13-3.el7	Doc Type:	Bug Fix
Doc Text:	In certain cases, Pacemaker's policy engine previously did not correctly respect the constraints of colocations with a score="INFINITY" parameter. This update fixes the underlying code and the described colocation constraints are now properly respected.	Story Points:	---
Clone Of:
Clones:	1204157 (view as bug list)		Environment:
Last Closed:	2015-11-19 12:12:28 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1204157

Description David Vossel 2015-02-19 22:29:13 UTC

Description of problem:

We discovered a rare edge case in which colocation constraints are not always honored.


Version-Release number of selected component (if applicable):


How reproducible:
100% given the right configuration.

Steps to Reproduce:
1. crm_simulate -S -x /usr/share/pacemaker/tests/pengine/test10/complex_enforce_colo.xml


Actual results:

heat-engine isn't stopped

Expected results:

heat-engine must stop because keystone-clone is stopping.

Additional info:

Comment 1 David Vossel 2015-02-19 22:29:44 UTC

fixed upstream.

https://github.com/ClusterLabs/pacemaker/pull/643

Comment 9 errata-xmlrpc 2015-11-19 12:12:28 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHSA-2015-2383.html