[Linux-HA] Problem apprehending heartbeat 2.1.3

Andrew Beekhof beekhof at gmail.com
Fri Jul 11 03:58:07 MDT 2008


On Jul 11, 2008, at 10:36 AM, Thibaut Perrin wrote:

> Or maybe with resource groups ? :-/

resource groups are a syntactic shortcut for resources with a specific  
colocation and ordering relationship.

either will work in your case :)

see "placing resources relative to other resources" in the pdf

>
>
> I'm a bit lost as you can see ^^
>
> Thanks for any help
>
> Thibaut
>
> Thibaut Perrin wrote:
>> Hi,
>>
>> Thanks again for your help :)
>>
>> I have one more question, my guess would be using colocation, but  
>> I'm not sure :
>>
>> I have 2 nodes on my cluster, and for the moment I have 1 IP  
>> addresse resource and 1 apache resource.
>>
>> I have set the stickiness scores to 100.
>>
>> When I standby the default node, the 2 resources switch to the  
>> second node, which is what I want.
>>
>> When I turn my first node up, sometimes the 2 resources stay on the  
>> same node, which is OK, but sometimes, only the apache resource  
>> switches back. I am guessing I have to "link" these two resources.  
>> Is it really done by colocation ?
>>
>> Thanks in advance, and please forgive my dumb questions :(
>>
>> Thibaut
>>
>> Andrew Beekhof wrote:
>>>
>>> On Jul 10, 2008, at 4:30 PM, Thibaut Perrin wrote:
>>>
>>>> Hi
>>>>
>>>> Thanks for your help ! :)
>>>>
>>>> I'm now using the hb_gui, and that gave me a really better  
>>>> understanding on how the resources and contraints work ! :)
>>>>
>>>> Now I have a question :
>>>> Is it possible to turn auto_failback to off using the hb_gui ?
>>>
>>> auto_failback has no meaning in a crm-based cluster
>>> look up resource-stickiness in the pdf
>>>
>>>>
>>>>
>>>> Thanks in advance,
>>>>
>>>> Thibaut
>>>>
>>>> Andrew Beekhof wrote:
>>>>> On Wed, Jul 9, 2008 at 16:32, Thibaut Perrin  
>>>>> <tperrinha at gmail.com> wrote:
>>>>>
>>>>>> Hi everyone,
>>>>>>
>>>>>> I'm quite new to this list, so please forgive me if this looks  
>>>>>> a stupid
>>>>>> question.
>>>>>>
>>>>>> I am having a bit trouble getting heartbeat 2.1.3 working. (I  
>>>>>> compiled it on
>>>>>> Ubuntu Dapper 6.06.2).
>>>>>>
>>>>>> Here is my problem, I'm only trying to get things working with  
>>>>>> an IP
>>>>>> address.
>>>>>>
>>>>>> ( the line in haresources was "troll IPaddr::192.168.150.110" )
>>>>>> I have 2 nodes : troll & gobelin.
>>>>>>
>>>>>> I have created the cib.xml using
>>>>>> /usr/lib/heartbeat/haresources2cib.py -c /etc/ha.d/ha.cf -- 
>>>>>> stdout >
>>>>>> /var/lib/heartbeat/cib.xml
>>>>>>
>>>>>
>>>>> Go to
>>>>>  http://clusterlabs.org/mw/Image:Configuration_Explained.pdf
>>>>> and read the bit called "How Should the Configuration be Updated?"
>>>>>
>>>>>
>>>>>> I can't find the webpage of what is needed for anyone to help  
>>>>>> me, so just
>>>>>> ask and don't hesistate to tell me what's wrong :-)
>>>>>>
>>>>>> Thanks in advance
>>>>>>
>>>>>> Thibaut Perrin
>>>>>>
>>>>>> here's the result of cibadmin -Ql  (on troll)
>>>>>> <cib generated="true" admin_epoch="0" have_quorum="true"  
>>>>>> ignore_dtd="false"
>>>>>> num_peers="2" cib_feature_revision="2.0" epoch="2"  
>>>>>> num_updates="15"
>>>>>> cib-last-written="Wed Jul  9 14:03:51 2008" ccm_transition="2"
>>>>>> dc_uuid="42086702-87aa-48e7-be1c-309e4829a5c7">
>>>>>> <configuration>
>>>>>>  <crm_config>
>>>>>>    <cluster_property_set id="cib-bootstrap-options">
>>>>>>      <attributes>
>>>>>>        <nvpair id="cib-bootstrap-options-dc-version" name="dc- 
>>>>>> version"
>>>>>> value="2.1.3-node: 552305612591183b1628baa5bc6e903e0f1e26a3"/>
>>>>>>      </attributes>
>>>>>>    </cluster_property_set>
>>>>>>  </crm_config>
>>>>>>  <nodes>
>>>>>>    <node id="42086702-87aa-48e7-be1c-309e4829a5c7" uname="troll"
>>>>>> type="normal"/>
>>>>>>    <node id="64da6bea-149f-4e83-96b7-d142be0bb44c"  
>>>>>> uname="gobelin"
>>>>>> type="normal"/>
>>>>>>  </nodes>
>>>>>>  <resources/>
>>>>>>  <constraints/>
>>>>>> </configuration>
>>>>>> <status>
>>>>>>  <node_state id="64da6bea-149f-4e83-96b7-d142be0bb44c"  
>>>>>> uname="gobelin"
>>>>>> crmd="online" crm-debug-origin="do_lrm_query" shutdown="0"  
>>>>>> in_ccm="true"
>>>>>> join="member" ha="active" expected="member">
>>>>>>    <lrm id="64da6bea-149f-4e83-96b7-d142be0bb44c">
>>>>>>      <lrm_resources/>
>>>>>>    </lrm>
>>>>>>    <transient_attributes id="64da6bea-149f-4e83-96b7- 
>>>>>> d142be0bb44c">
>>>>>>      <instance_attributes
>>>>>> id="status-64da6bea-149f-4e83-96b7-d142be0bb44c">
>>>>>>        <attributes>
>>>>>>          <nvpair
>>>>>> id="status-64da6bea-149f-4e83-96b7-d142be0bb44c-probe_complete"
>>>>>> name="probe_complete" value="true"/>
>>>>>>        </attributes>
>>>>>>      </instance_attributes>
>>>>>>    </transient_attributes>
>>>>>>  </node_state>
>>>>>>  <node_state id="42086702-87aa-48e7-be1c-309e4829a5c7"  
>>>>>> uname="troll"
>>>>>> crmd="online" crm-debug-origin="do_lrm_query" in_ccm="true"  
>>>>>> join="member"
>>>>>> ha="active" expected="member" shutdown="0">
>>>>>>    <lrm id="42086702-87aa-48e7-be1c-309e4829a5c7">
>>>>>>      <lrm_resources/>
>>>>>>    </lrm>
>>>>>>    <transient_attributes id="42086702-87aa-48e7- 
>>>>>> be1c-309e4829a5c7">
>>>>>>      <instance_attributes
>>>>>> id="status-42086702-87aa-48e7-be1c-309e4829a5c7">
>>>>>>        <attributes>
>>>>>>          <nvpair
>>>>>> id="status-42086702-87aa-48e7-be1c-309e4829a5c7-probe_complete"
>>>>>> name="probe_complete" value="true"/>
>>>>>>        </attributes>
>>>>>>      </instance_attributes>
>>>>>>    </transient_attributes>
>>>>>>  </node_state>
>>>>>> </status>
>>>>>> </cib>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Linux-HA mailing list
>>>>>> Linux-HA at lists.linux-ha.org
>>>>>> http://lists.linux-ha.org/mailman/listinfo/linux-ha
>>>>>> See also: http://linux-ha.org/ReportingProblems
>>>>>>
>>>>>>
>>>>> _______________________________________________
>>>>> Linux-HA mailing list
>>>>> Linux-HA at lists.linux-ha.org
>>>>> http://lists.linux-ha.org/mailman/listinfo/linux-ha
>>>>> See also: http://linux-ha.org/ReportingProblems
>>>>>
>>>>>
>>>>
>>>> _______________________________________________
>>>> Linux-HA mailing list
>>>> Linux-HA at lists.linux-ha.org
>>>> http://lists.linux-ha.org/mailman/listinfo/linux-ha
>>>> See also: http://linux-ha.org/ReportingProblems
>>>
>>> _______________________________________________
>>> Linux-HA mailing list
>>> Linux-HA at lists.linux-ha.org
>>> http://lists.linux-ha.org/mailman/listinfo/linux-ha
>>> See also: http://linux-ha.org/ReportingProblems
>>>
>>
>> _______________________________________________
>> Linux-HA mailing list
>> Linux-HA at lists.linux-ha.org
>> http://lists.linux-ha.org/mailman/listinfo/linux-ha
>> See also: http://linux-ha.org/ReportingProblems
>>
>
> _______________________________________________
> Linux-HA mailing list
> Linux-HA at lists.linux-ha.org
> http://lists.linux-ha.org/mailman/listinfo/linux-ha
> See also: http://linux-ha.org/ReportingProblems



More information about the Linux-HA mailing list