[Pacemaker] help building 2 node config

[Andrew Beekhof]

On 18 Mar 2014, at 3:17 pm, Alex Samad - Yieldbroker <Alex.Samad at yieldbroker.com> wrote:

> 
> 
>> -----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 !

Can you send me the result of cibadmin -Ql when the cluster is in this state?

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