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

Chris Picton chris at ecntelecoms.com
Wed Nov 10 07:51:21 EST 2010


On Wed, 10 Nov 2010 09:32:00 +0100, Andrew Beekhof wrote:

> what version is this?


This is 1.0.9


> 
> On Tue, Nov 9, 2010 at 5:51 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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