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Bug 1787532 - invalid transition produced in crm_simulate with "start A then stop B" constraint
Summary: invalid transition produced in crm_simulate with "start A then stop B" constr...
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: pacemaker
Version: 7.8
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Ken Gaillot
QA Contact: cluster-qe@redhat.com
URL:
Whiteboard:
Depends On: 1782887
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-01-03 09:50 UTC by Nina Hostakova
Modified: 2020-06-03 21:02 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of: 1782887
Environment:
Last Closed: 2020-06-03 21:02:10 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description Nina Hostakova 2020-01-03 09:50:56 UTC 
The same problem to be resolved in RHEL7

Version-Release number of selected component (if applicable):
pacemaker-1.1.21-3.el7

+++ This bug was initially created as a clone of Bug #1782887 +++

Description of problem:
crm_simulate exits with "An invalid transition was produced" in the specific case described below.


Version-Release number of selected component (if applicable):
pacemaker-2.0.3-3.el8


How reproducible:
always


Steps to Reproduce:
1. Have two resources, d1 and d2.
2. Create an order constraint: start d1 then stop d2
3. Use crm_simulate to see what happens when d1 is disabled:
# pcs cluster cib > cib.xml
# pcs -f cib.xml resource disable d1
# crm_simulate --simulate --xml-file=cib.xml


Actual results:
crm_simulate returns 1 and exits with:
Executing cluster transition:
Transition failed: terminated
An invalid transition was produced

--- Additional comment from Tomas Jelinek on 2019-12-12 15:06:55 UTC ---

this is the configuration of a cluster before disabling a resource

--- Additional comment from Tomas Jelinek on 2019-12-12 15:08:09 UTC ---

this cib contains the change to be simulated against the running cluster - d1 is disabled

--- Additional comment from Tomas Jelinek on 2019-12-12 15:08:45 UTC ---



--- Additional comment from Tomas Jelinek on 2019-12-12 15:10:11 UTC ---

This issue has been discovered when testing the safe-disable feature in pcs, see bz1631519#c17 and following comments there for more details.
Comment 2 Ken Gaillot 2020-06-03 21:02:10 UTC 
Leaving this as RHEL 8 only since it will not be fixed in RHEL 7.9 time frame
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