[Pacemaker] advisory colocation constraint group->service

Andrew Beekhof beekhof at gmail.com
Fri Oct 24 15:49:35 EDT 2008


Ignore that - its clearly time I stopped working for the day because
what I wrote is garbage.

On Fri, Oct 24, 2008 at 21:39, Andrew Beekhof <beekhof at gmail.com> wrote:
> replying to myself...
>
> On Fri, Oct 24, 2008 at 21:33, Andrew Beekhof <beekhof at gmail.com> wrote:
>> Sorry for the delay...
>> This might be a bug, but I see:
>>
>> info: native_merge_weights: service_bgp-upc: Breaking dependancy loop
>>
>> in the logs, which makes me suspicious about the colocation
>> constraints (since this shouldn't really happen)
>
> i was right. removing
>          <rsc_colocation id="ips-colocate-with-bgp_telekom"
> from="group_routing_ips" to="service_bgp-telekom" score="1"/>
>          <rsc_colocation id="ips-colocate-with-bgp_upc"
> from="group_routing_ips" to="service_bgp-upc" score="1"/>
>
> broke the loop (in the correct place) and gives the behavior you were
> after (as far as I can tell)
>
>>
>> On Wed, Oct 15, 2008 at 18:28, Andreas Kurz <andreas.kurz at linbit.com> wrote:
>>> On Wednesday 15 October 2008 11:52:49 Andrew Beekhof wrote:
>>>> On Oct 13, 2008, at 5:31 PM, Andreas Kurz wrote:
>>>> > Hi,
>>>> >
>>>> > I have another constraints problem with a Heartbeat 2.1.3
>>>> > installation and I
>>>> > wonder where's my error in the configuration.
>>>> >
>>>> > I want to make an advisory colocation of a group of six IPs with a
>>>> > service but
>>>> > when I stop (target_role=stopped) the service, the group is also
>>>> > stopped:
>>>> >
>>>> > * default-resource-stickiness 10
>>>> > * all services are started on the same node
>>>> > * no location constraints
>>>> >
>>>> > <rsc_colocation id="ips-colocate-with-srvA"
>>>> >   from="group_ips" to="srvA"
>>>> >   score="1"/>
>>>> >
>>>> > Is an advisory colocation constraint between a group and a service not
>>>> > supported?
>>>>
>>>> It should work.
>>>> Can you send me the "cibadmin -Q" output just before you set
>>>> target_role=stopped please?
>>>
>>> I attached the cib ..... when I stop e.g the resource "service_ip_upc" all
>>> services that are advisory colocated to this service are also stopped
>>> additionally also the following colocation constraint is not working:
>>>
>>> <rsc_colocation id="bgp-upc-colocated-with-bgp_telekom"
>>>        from="service_bgp-upc"
>>>        to="service_bgp-telekom"
>>>   score="1" symmetrical="true"/>
>>>
>>> If I remove these two colocation constraints
>>> named "ips-colocate-with-bgp_telekom"  and "ips-colocate-with-bgp_upc" the
>>> constraint above works again.
>>>
>>> Thx&Regards,
>>> Andreas
>>>
>>>>
>>>>
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>>>
>>>
>>>
>>> --
>>> : Andreas Kurz
>>> : LINBIT | Your Way to High Availability
>>> : Tel +43-1-8178292-64, Fax +43-1-8178292-82
>>> :
>>> : http://www.linbit.com
>>>
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>>
>




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