[Pacemaker] Balancing of clone resources (globally-unique=true)

[Vladimir Legeza]

The only solution I know, is to change "*clone-node-max*" param on the fly.
See http://oss.clusterlabs.org/pipermail/pacemaker/2010-November/008148.htmlfor
details.

Vladimir

On Tue, Nov 9, 2010 at 7:51 PM, Chris Picton <chris at ecntelecoms.com> wrote:

> From a previous thread (crm_resource - migrating/halt a cloned resource)
>
> Andrew Beekhof wrote:
> > bottom line, you don't get to chose where specific clone instances
> > get placed.
>
> In my case, I have a clone:
> primitive clusterip-9 ocf:heartbeat:IPaddr2 \
>        params ip="192.168.0.9" cidr_netmask="24" \
>        clusterip_hash="sourceip" nic="bondE" \
>        op monitor interval="30s" \
>        meta resource-stickiness="0"
>
> clone clusterip-9-clone clusterip-9 \
>        meta globally-unique="true" clone-max="2" \
>        clone-node-max="2" resource_stickiness="0"
>
> When I start the clone, both instances start on the same node:
>
> Clone Set: clusterip-9-clone (unique)
>     clusterip-9:0      (ocf::heartbeat:IPaddr2):       Started
> slb-test-01.ecntelecoms.za.net
>     clusterip-9:1      (ocf::heartbeat:IPaddr2):       Started
> slb-test-01.ecntelecoms.za.net
>
> The second node has a colocated set of standalone IP addresses running, so
> I assume that pacemaker is pushing both clusterip clones to the second node
> to balance resources.
>
> My scores look like (0 for everything to do with this resource)
> clone_color: clusterip-9-clone allocation score on
> slb-test-01.ecntelecoms.za.net: 0
> clone_color: clusterip-9-clone allocation score on
> slb-test-02.ecntelecoms.za.net: 0
> clone_color: clusterip-9:0 allocation score on
> slb-test-01.ecntelecoms.za.net: 0
> clone_color: clusterip-9:0 allocation score on
> slb-test-02.ecntelecoms.za.net: 0
> clone_color: clusterip-9:1 allocation score on
> slb-test-01.ecntelecoms.za.net: 0
> clone_color: clusterip-9:1 allocation score on
> slb-test-02.ecntelecoms.za.net: 0
> native_color: clusterip-9:0 allocation score on
> slb-test-01.ecntelecoms.za.net: 0
> native_color: clusterip-9:0 allocation score on
> slb-test-02.ecntelecoms.za.net: 0
> native_color: clusterip-9:1 allocation score on
> slb-test-01.ecntelecoms.za.net: 0
> native_color: clusterip-9:1 allocation score on
> slb-test-02.ecntelecoms.za.net: 0
>
>
>
> Is there a way to request pacemaker to try split the clones up if possible
> over the available nodes?
>
> Regards
>
> Chris
>
>
>
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