[Pacemaker] help building 2 node config

[Alex Samad - Yieldbroker]

> -----Original Message-----
> From: Andrew Beekhof [mailto:andrew at beekhof.net]
> Sent: Tuesday, 18 March 2014 2:02 PM
> To: The Pacemaker cluster resource manager
> Subject: Re: [Pacemaker] help building 2 node config
> 
> 
> On 18 Mar 2014, at 1:36 pm, Alex Samad - Yieldbroker
> <Alex.Samad at yieldbroker.com> wrote:
> 
[snip]

> >
> > pcs status
> > pcs status
> > Cluster name: ybrp
> > Last updated: Tue Mar 18 13:31:29 2014 Last change: Tue Mar 18
> > 13:26:51 2014 via cibadmin on alcdevrp01
> > Stack: cman
> > Current DC: dc1devrp01 - partition with quorum
> > Version: 1.1.10-14.el6-368c726
> > 2 Nodes configured
> > 4 Resources configured
> >
> >
> > Online: [ alcdevrp01 dc1devrp01 ]
> >
> > Full list of resources:
> >
> > Clone Set: ybrpstat-clone [ybrpstat]
> >     Started: [ alcdevrp01 dc1devrp01 ] Clone Set: ybrpip-clone
> > [ybrpip] (unique)
> >     ybrpip:0   (ocf::heartbeat:IPaddr2):       Started dc1devrp01
> >     ybrpip:1   (ocf::heartbeat:IPaddr2):       Started dc1devrp01
> >
> > this is after I rebooted the alcdevrp01, the resources that were on it moved
> over to the dc1devrp01, but I want one of the ybrpip resources to move back
> to it. I guess another way of saying this is, can I place a constraint on an
> instance of 1 of the cloned resources ...

So why didn't the resources get rebalanced here ?


> >
> >
> > So this is the result after reboot dc1devrp01 pcs status Cluster name:
> > ybrp Last updated: Tue Mar 18 13:32:08 2014 Last change: Tue Mar 18
> > 13:26:51 2014 via cibadmin on alcdevrp01
> > Stack: cman
> > Current DC: alcdevrp01 - partition with quorum
> > Version: 1.1.10-14.el6-368c726
> > 2 Nodes configured
> > 4 Resources configured
> >
> >
> > Online: [ alcdevrp01 dc1devrp01 ]
> >
> > Full list of resources:
> >
> > Clone Set: ybrpstat-clone [ybrpstat]
> >     Started: [ alcdevrp01 dc1devrp01 ] Clone Set: ybrpip-clone
> > [ybrpip] (unique)
> >     ybrpip:0   (ocf::heartbeat:IPaddr2):       Started alcdevrp01
> >     ybrpip:1   (ocf::heartbeat:IPaddr2):       Started dc1devrp01
> >
> >
> > the ybrpip resource rebalanced themselves, I am guessing because I
> > have the constraint for location
> 
> it should do so anyway
> 
[snip]

> >
> > If I have these constraints on location how do I manually move a resource
> from one node to another....
> 
> crm_resource --ban


# current status

pcs status
Cluster name: ybrp
Last updated: Tue Mar 18 15:08:36 2014
Last change: Tue Mar 18 15:08:09 2014 via crm_resource on alcdevrp01
Stack: cman
Current DC: alcdevrp01 - partition with quorum
Version: 1.1.10-14.el6-368c726
2 Nodes configured
4 Resources configured


Online: [ alcdevrp01 dc1devrp01 ]

Full list of resources:

 Clone Set: ybrpstat-clone [ybrpstat]
     Started: [ alcdevrp01 dc1devrp01 ]
 Clone Set: ybrpip-clone [ybrpip] (unique)
     ybrpip:0   (ocf::heartbeat:IPaddr2):       Started alcdevrp01 
     ybrpip:1   (ocf::heartbeat:IPaddr2):       Started alcdevrp01 


# move it
crm_resource --resource ybrpip-clone --move


Clone Set: ybrpip-clone [ybrpip] (unique)
     ybrpip:0   (ocf::heartbeat:IPaddr2):       Started dc1devrp01
     ybrpip:1   (ocf::heartbeat:IPaddr2):       Started dc1devrp01

# remove constraint
crm_resource --resource ybrpip-clone --clear

Clone Set: ybrpip-clone [ybrpip] (unique)
     ybrpip:0   (ocf::heartbeat:IPaddr2):       Started dc1devrp01
     ybrpip:1   (ocf::heartbeat:IPaddr2):       Started dc1devrp01

#still doesn't balance out. How do I move just 1 of the clones !




> 
> > do I just move the node into standby mode ?
> >
> > A
[snip]