[Pacemaker] Moving cloned resources

Wed Sep 11 04:33:47 UTC 2013

On 11/09/2013, at 12:58 AM, Matias R. Cuenca del Rey <maticue at gmail.com> wrote:

> Thank you Andrew,
> 
> If I can't move instances of a clone. How can I do to rebalance my IP resource trough the three nodes?

Set its resource-stickiness to 0 until everything moves back

> 
> Thanks,
> 
> Matías R. Cuenca del Rey
> 
> 
> On Fri, Aug 9, 2013 at 12:15 PM, Matias R. Cuenca del Rey <maticue at gmail.com> wrote:
> [root at www-proxylb01 ~]# rpm -qi pcs
> Name        : pcs                          Relocations: (not relocatable)
> Version     : 0.9.26                            Vendor: CentOS
> Release     : 10.el6_4.1                    Build Date: Mon 18 Mar 2013 11:39:25 AM ART
> Install Date: Tue 04 Jun 2013 05:19:49 PM ART      Build Host: c6b10.bsys.dev.centos.org
> Group       : System Environment/Base       Source RPM: pcs-0.9.26-10.el6_4.1.src.rpm
> Size        : 254791                           License: GPLv2
> Signature   : RSA/SHA1, Mon 18 Mar 2013 12:01:56 PM ART, Key ID 0946fca2c105b9de
> Packager    : CentOS BuildSystem <http://bugs.centos.org>
> URL         : http://github.com/feist/pcs
> Summary     : Pacemaker Configuration System
> Description :
> pcs is a corosync and pacemaker configuration tool.  It permits users to
> easily view, modify and created pacemaker based clusters.
> 
> 
> [root at www-proxylb01 ~]# rpm -qi pacemaker
> Name        : pacemaker                    Relocations: (not relocatable)
> Version     : 1.1.8                             Vendor: CentOS
> Release     : 7.el6                         Build Date: Fri 22 Feb 2013 02:07:28 AM ART
> Install Date: Tue 04 Jun 2013 04:32:24 PM ART      Build Host: c6b9.bsys.dev.centos.org
> Group       : System Environment/Daemons    Source RPM: pacemaker-1.1.8-7.el6.src.rpm
> Size        : 1269655                          License: GPLv2+ and LGPLv2+
> Signature   : RSA/SHA1, Sat 23 Feb 2013 02:41:32 PM ART, Key ID 0946fca2c105b9de
> Packager    : CentOS BuildSystem <http://bugs.centos.org>
> URL         : http://www.clusterlabs.org
> Summary     : Scalable High-Availability cluster resource manager
> Description :
> Pacemaker is an advanced, scalable High-Availability cluster resource
> manager for Linux-HA (Heartbeat) and/or Corosync.
> 
> It supports "n-node" clusters with significant capabilities for
> managing resources and dependencies.
> 
> It will run scripts at initialization, when machines go up or down,
> when related resources fail and can be configured to periodically check
> resource health.
> 
> Available rpmbuild rebuild options:
>   --with(out) : heartbeat cman corosync doc publican snmp esmtp pre_release
> 
> 
> [root at www-proxylb01 ~]# rpm -qi corosync
> Name        : corosync                     Relocations: (not relocatable)
> Version     : 1.4.1                             Vendor: CentOS
> Release     : 15.el6_4.1                    Build Date: Tue 14 May 2013 06:09:27 PM ART
> Install Date: Tue 04 Jun 2013 04:32:24 PM ART      Build Host: c6b7.bsys.dev.centos.org
> Group       : System Environment/Base       Source RPM: corosync-1.4.1-15.el6_4.1.src.rpm
> Size        : 438998                           License: BSD
> Signature   : RSA/SHA1, Tue 14 May 2013 08:03:55 PM ART, Key ID 0946fca2c105b9de
> Packager    : CentOS BuildSystem <http://bugs.centos.org>
> URL         : http://ftp.corosync.org
> Summary     : The Corosync Cluster Engine and Application Programming Interfaces
> Description :
> This package contains the Corosync Cluster Engine Executive, several default
> APIs and libraries, default configuration files, and an init script.
> 
> 
> Thanks,
> 
> 
> Matías R. Cuenca del Rey
> 
> 
> On Thu, Aug 8, 2013 at 7:44 PM, Chris Feist <cfeist at redhat.com> wrote:
> On 08/08/2013 01:25 PM, Matias R. Cuenca del Rey wrote:
> Hi,
> 
> This is my first mail. I'm playing with active/active cluster with cman+pacemaker
> I have 3 nodes working great. When I reboot one node, my IP resource move to
> another node, but when the rebooted node comes back, my IP resource doesn't move
> in again. I tried to move mannualy with pcs but I get the following error:
> 
> [root at www-proxylb01 ~]# pcs config
> Corosync Nodes:
> 
> Pacemaker Nodes:
>   www-proxylb01 www-proxylb02 www-proxylb03
> 
> Resources:
>   Clone: ip-xxx.xxx.xxx.xxx-clone
>    Resource: ip-xxx.xxx.xxx.xxx (provider=heartbeat type=IPaddr2 class=ocf)
>     Attributes: ip=xxx.xxx.xxx.xxx cidr_netmask=32
> clusterip_hash=sourceip-sourceport
>     Operations: monitor interval=30s
>   Clone: fs-usr.share.haproxy-clone
>    Resource: fs-usr.share.haproxy (provider=heartbeat type=Filesystem class=ocf)
>     Attributes: device=/dev/xvdc directory=/usr/share/haproxy/ fstype=gfs2
>   Clone: haproxy-xxx.xxx.xxx.xxx-clone
>    Resource: haproxy-xxx.xxx.xxx.xxx (provider=heartbeat type=haproxy class=ocf)
>     Attributes: conffile=/etc/haproxy/haproxy.cfg
>     Operations: monitor interval=30s
> 
> Location Constraints:
> Ordering Constraints:
>    ip-xxx.xxx.xxx.xxx-clone then haproxy-xxx.xxx.xxx.xxx-clone
>    fs-usr.share.haproxy-clone then haproxy-xxx.xxx.xxx.xxx-clone
> Colocation Constraints:
>    haproxy-xxx.xxx.xxx.xxx-clone with ip-xxx.xxx.xxx.xxx-clone
>    haproxy-xxx.xxx.xxx.xxx-clone with fs-usr.share.haproxy-clone
>    fs-usr.share.haproxy-clone with ip-xxx.xxx.xxx.xxx-clone
> 
> Cluster Properties:
>   dc-version: 1.1.8-7.el6-394e906
>   cluster-infrastructure: cman
>   expected-quorum-votes: 2
>   stonith-enabled: false
>   resource-stickiness: 100
> 
> 
> [root at www-proxylb01 ~]# pcs status
> Last updated: Thu Aug  8 15:17:09 2013
> Last change: Wed Aug  7 16:32:10 2013 via crm_attribute on www-proxylb01
> Stack: cman
> Current DC: www-proxylb03 - partition with quorum
> Version: 1.1.8-7.el6-394e906
> 3 Nodes configured, 2 expected votes
> 9 Resources configured.
> 
> 
> Online: [ www-proxylb01 www-proxylb02 www-proxylb03 ]
> 
> Full list of resources:
> 
>   Clone Set: ip-xxx.xxx.xxx.xxx-clone [ip-xxx.xxx.xxx.xxx] (unique)
>       ip-xxx.xxx.xxx.xxx:0    (ocf::heartbeat:IPaddr2):    Started www-proxylb01
>       ip-xxx.xxx.xxx.xxx:1    (ocf::heartbeat:IPaddr2):    Started www-proxylb01
>       ip-xxx.xxx.xxx.xxx:2    (ocf::heartbeat:IPaddr2):    Started www-proxylb03
>   Clone Set: fs-usr.share.haproxy-clone [fs-usr.share.haproxy]
>       Started: [ www-proxylb01 www-proxylb03 ]
>       Stopped: [ fs-usr.share.haproxy:2 ]
>   Clone Set: haproxy-xxx.xxx.xxx.xxx-clone [haproxy-xxx.xxx.xxx.xxx]
>       Started: [ www-proxylb01 www-proxylb03 ]
>       Stopped: [ haproxy-xxx.xxx.xxx.xxx:2 ]
> 
> [root at www-proxylb01 ~]# pcs resource move ip-xxx.xxx.xxx.xxx:1 www-proxylb02
> 
> Which version of pcs, pacemaker and corosync are you running?
> 
> Error moving/unmoving resource
> Error performing operation: Update does not conform to the configured schema
> 
> Thanks a lot in advance
> 
> 
> Matías R. Cuenca del Rey
> 
> 
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> 
> 
> 
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