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Bug 998970

Summary: pcs resource group remove <group_name> does not remove group resources
Product: Red Hat Enterprise Linux 6 Reporter: michal novacek <mnovacek>
Component: pcsAssignee: Chris Feist <cfeist>
Status: CLOSED ERRATA QA Contact:
Severity: urgent Docs Contact:
Priority: urgent    
Version: 6.5CC: cluster-maint, fdinitto, rsteiger
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: pcs-0.9.74-1.el6 Doc Type: Bug Fix
Doc Text:
Cause: Attempting to remove a group containing resources Consequence: Group was removed, but resources remained Fix: 'pcs resource delete <groupname>' now properly deletes a group and the resources it contains Result: Groups and their resources can be removed with one command.
 Story Points: ---
Clone Of: 998964 Environment:
Last Closed: 2013-11-21 11:52:43 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: 998964    
Bug Blocks:    

Description michal novacek 2013-08-20 12:51:58 UTC 
+++ This bug was initially created as a clone of Bug #998964 +++

Description of problem:
I do have a resource in a group haa-group-0. When issuing 'pcs resource
group remove haa-group-0' the group is removed but the resource from this group
is not deleted and remains as ungrupped resources. This is quite unexpected.

Version-Release number of selected component (if applicable):
pcs-0.9.72-1.el6.noarch

How reproducible: always

Steps to Reproduce:
1. create a group with resources using pcs
2. issue 'pcs resource group remove <group_name>'

Actual results: resource are not removed

Expected results: resources should be removed with the group

Additional info:
It would be nice to either have parameter to force resources removal and not to
do it by default or the other way round. Current behaviour is confusing.

$ pcs status
Cluster name: STSRHTS17392
Last updated: Tue Aug 20 14:38:58 2013
Last change: Tue Aug 20 14:38:55 2013 via cibadmin on virt-061
Stack: corosync
Current DC: virt-063 (3) - partition with quorum
Version: 1.1.10-12.el7-368c726
3 Nodes configured
2 Resources configured


Online: [ virt-061 virt-062 virt-063 ]

Full list of resources:

 virt-fencing   (stonith:fence_xvm):    Started virt-062 
 Resource Group: haa-group-0
     apache-0   (ocf::heartbeat:apache):        Stopped 


PCSD Status:
  virt-061: Online
  virt-062: Online
  virt-063: Online

Daemon Status:
  corosync: active/disabled
  pacemaker: active/disabled
  pcsd: active/enabled

# pcs resource group remove haa-group-0

# pcs status
Cluster name: STSRHTS17392
Last updated: Tue Aug 20 14:39:15 2013
Last change: Tue Aug 20 14:39:10 2013 via cibadmin on virt-063
Stack: corosync
Current DC: virt-063 (3) - partition with quorum
Version: 1.1.10-12.el7-368c726
3 Nodes configured
2 Resources configured


Online: [ virt-061 virt-062 virt-063 ]

Full list of resources:

 virt-fencing   (stonith:fence_xvm):    Started virt-062 
 apache-0       (ocf::heartbeat:apache):        Stopped 


PCSD Status:
  virt-061: Online
  virt-062: Online
  virt-063: Online

Daemon Status:
  corosync: active/disabled
  pacemaker: active/disabled
  pcsd: active/enabled
Comment 2 Chris Feist 2013-08-26 21:29:38 UTC 
Before fix:
[root@rh7-1 test]# pcs -f /tmp/test.xml resource create A Dummy --group MyGroup
[root@rh7-1 test]# pcs -f /tmp/test.xml resource create B Dummy --group MyGroup
[root@rh7-1 test]# pcs -f /tmp/test.xml resource 
 Resource Group: MyGroup
     A	(ocf::heartbeat:Dummy):	Stopped 
     B	(ocf::heartbeat:Dummy):	Stopped 

[root@rh7-1 test]# pcs -f /tmp/test.xml resource delete MyGroup
Error: MyGroup is not a resource (it can be removed with 'resource group remove MyGroup')


After fix:
[root@ask-03 ~]# pcs -f /tmp/test.xml resource create A Dummy --group MyGroup
[root@ask-03 ~]# pcs -f /tmp/test.xml resource create B Dummy --group MyGroup
[root@ask-03 ~]# pcs -f /tmp/test.xml resource 
 Resource Group: MyGroup
     A	(ocf::heartbeat:Dummy):	Stopped 
     B	(ocf::heartbeat:Dummy):	Stopped 
[root@ask-03 ~]# pcs -f /tmp/test.xml resource delete MyGroup
Removing group: MyGroup (and all resources within group)
Deleting Resource - A
Deleting Resource (and group) - B
[root@ask-03 ~]# pcs -f /tmp/test.xml resource
NO resources configured
[root@ask-03 ~]# rpm -q pcs
pcs-0.9.74-1.el6.noarch
Comment 5 errata-xmlrpc 2013-11-21 11:52:43 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.

http://rhn.redhat.com/errata/RHBA-2013-1633.html