[Pacemaker] advisory colocation constraint group->service

[Andrew Beekhof]

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)

ok, i was correct up to here.

I'm pretty sure you want:

--- cib_group-res-constr.orig.xml	2008-10-29 11:09:47.000000000 +0100
+++ cib_group-res-constr.xml	2008-10-29 11:26:13.000000000 +0100
@@ -265,7 +265,7 @@
        <rsc_colocation id="bgp-upc-colocate-with-ip_upc"
from="service_bgp-upc" to="service_ip_upc" score="INFINITY"/>
        <rsc_order id="bgp-telekom-after-ip_telekom"
from="service_bgp-telekom" type="after" to="service_ip_telekom"
score="0"/>
        <rsc_colocation id="bgp-telekom-colocated-with-ip_telekom"
from="service_bgp-telekom" to="service_ip_telekom" score="INFINITY"/>
-       <rsc_colocation id="bgp-upc-colocated-with-bgp_telekom"
from="service_bgp-upc" to="service_bgp-telekom" score="1"
symmetrical="true"/>
+       <rsc_colocation id="bgp-upc-colocated-with-bgp_telekom"
from="service_bgp-upc" to="service_bgp-telekom" score="1"/>
        <rsc_order id="ospf-dmz-after-ips" from="service_ospf-dmz"
type="after" to="group_routing_ips" score="0"/>
        <rsc_colocation id="ospf-dmz-colocate-with-ips"
from="service_ospf-dmz" to="group_routing_ips" score="INFINITY"/>
        <rsc_order id="ospf-default-after-ips"
from="service_ospf-default" type="after" to="group_routing_ips"
score="0"/>
@@ -275,8 +275,8 @@
        <rsc_colocation id="ipsec-IP-colocate-with-ips"
from="service_ip_IPSEC" to="group_routing_ips" score="1"/>
        <rsc_colocation id="mysql-colocate-with-ips" from="mysql"
to="group_routing_ips" score="1"/>
        <!-- hmm ... the next two constraints work not as expected -->
-       	  <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"/>
+       	  <rsc_colocation id="ips-colocate-with-bgp_telekom"
to="group_routing_ips" from="service_bgp-telekom" score="1"/>
+          <rsc_colocation id="ips-colocate-with-bgp_upc"
to="group_routing_ips" from="service_bgp-upc" score="1"/>
        <!-- #################################################### -->	
        <rsc_order id="stop-bgp-ta-only-after-bgp-upc-start"
from="service_bgp-telekom" action="stop" type="after"
to="service_bgp-upc" to_action="start" symmetrical="false" score="0"/>
    </constraints>



>
> 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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>>> Pacemaker at clusterlabs.org
>>> http://list.clusterlabs.org/mailman/listinfo/pacemaker
>>
>>
>>
>> --
>> : 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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>