[Pacemaker] help building 2 node config

[Andrew Beekhof]

Try adding:

          <nvpair id="ybrpip-sticky" name="resource-stickiness" value="0"/>

to the 

        <meta_attributes id="ybrpip-clone-meta">

block.

That should ensure the behaviour you're looking for.

On 19 Mar 2014, at 11:00 am, Alex Samad - Yieldbroker <Alex.Samad at yieldbroker.com> wrote:

> 
> 
>> -----Original Message-----
>> From: Andrew Beekhof [mailto:andrew at beekhof.net]
>> Sent: Wednesday, 19 March 2014 10:24 AM
>> To: The Pacemaker cluster resource manager
>> Subject: Re: [Pacemaker] help building 2 node config
>> 
>> 
>> On 18 Mar 2014, at 3:17 pm, Alex Samad - Yieldbroker
>> <Alex.Samad at yieldbroker.com> wrote:
> [snip]
> 
>>> 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?
> 
> I thought I would paste to paste bin
> http://pastebin.com/yyMh9yhe <<< this is with them all on devrp1 after rebooting devrp2
> 
> # config
> pcs config
> Cluster Name: ybrp
> Corosync Nodes:
> 
> Pacemaker Nodes:
> devrp1 devrp2 
> 
> Resources: 
> Clone: ybrpip-clone
>  Meta Attrs: globally-unique=true clone-max=2 clone-node-max=2 
>  Resource: ybrpip (class=ocf provider=heartbeat type=IPaddr2)
>   Attributes: ip=10.172.214.50 cidr_netmask=24 nic=eth0 clusterip_hash=sourceip-sourceport 
>   Operations: start interval=0s timeout=60s (ybrpip-start-interval-0s)
>               monitor interval=5s timeout=20s (ybrpip-monitor-interval-5s)
>               stop interval=0s timeout=60s (ybrpip-stop-interval-0s)
> Clone: ybrpstat-clone
>  Meta Attrs: globally-unique=false clone-max=2 clone-node-max=1 
>  Resource: ybrpstat (class=ocf provider=yb type=ybrp)
>   Operations: start interval=10s timeout=60s (ybrpstat-start-interval-10s)
>               monitor interval=5s timeout=20s (ybrpstat-monitor-interval-5s)
>               stop interval=10s timeout=60s (ybrpstat-stop-interval-10s)
> 
> Stonith Devices: 
> Fencing Levels: 
> 
> Location Constraints:
> Ordering Constraints:
> Colocation Constraints:
> 
> Cluster Properties:
> cluster-infrastructure: cman
> dc-version: 1.1.10-14.el6-368c726
> last-lrm-refresh: 1394682724
> no-quorum-policy: ignore
> stonith-enabled: false
> 
> # status
> pcs status
> Cluster name: ybrp
> Last updated: Wed Mar 19 10:57:41 2014
> Last change: Mon Mar 17 13:30:16 2014 via cibadmin on devrp1
> Stack: cman
> Current DC: devrp1 - partition with quorum
> Version: 1.1.10-14.el6-368c726
> 2 Nodes configured
> 4 Resources configured
> 
> 
> Online: [ devrp1 devrp2 ]
> 
> Full list of resources:
> 
> Clone Set: ybrpip-clone [ybrpip] (unique)
>     ybrpip:0   (ocf::heartbeat:IPaddr2):       Started devrp1 
>     ybrpip:1   (ocf::heartbeat:IPaddr2):       Started devrp1 
> Clone Set: ybrpstat-clone [ybrpstat]
>     Started: [ devrp1 devrp2 ]
> 
> 
> 
> It was balanced and then I rebooted devrp2 and it stayed like this
> 
> pacemaker-1.1.10-14.el6.x86_64
> pacemaker-libs-1.1.10-14.el6.x86_64
> pacemaker-cli-1.1.10-14.el6.x86_64
> pacemaker-cluster-libs-1.1.10-14.el6.x86_64
> 
> 
> This is what happened after I rebooted devrp1 
> 
> # status
> pcs status
> Cluster name: ybrp
> Last updated: Wed Mar 19 10:59:29 2014
> Last change: Mon Mar 17 13:30:16 2014 via cibadmin on devrp1
> Stack: cman
> Current DC: devrp2 - partition with quorum
> Version: 1.1.10-14.el6-368c726
> 2 Nodes configured
> 4 Resources configured
> 
> 
> Online: [ devrp1 devrp2 ]
> 
> Full list of resources:
> 
> Clone Set: ybrpip-clone [ybrpip] (unique)
>     ybrpip:0   (ocf::heartbeat:IPaddr2):       Started devrp2 
>     ybrpip:1   (ocf::heartbeat:IPaddr2):       Started devrp2 
> Clone Set: ybrpstat-clone [ybrpstat]
>     Started: [ devrp1 devrp2 ]
> 
> 
> 
> 
> [snip]
> 
> 
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> 
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