[Pacemaker] Pacemaker 0.7.3: How to use pingd clone resource and constraints

Serge Dubrouski sergeyfd at gmail.com
Wed Sep 24 20:36:43 UTC 2008


There is a problem with attrd that affects  pingd in Pacemeaker
0.7.3/Heartbeat 2.99. I've already created a Bugzilla ticket for it.
You can add your information there:

http://developerbugs.linux-foundation.org/show_bug.cgi?id=1969

On Wed, Sep 24, 2008 at 2:04 PM, Bruno Voigt <Bruno.Voigt at ic3s.de> wrote:
> I defined two ping clone resources,
> to be used independently by different resources:
>
>      <clone id="clone-pingd-internal">
>        <primitive id="pingd-internal" provider="pacemaker" class="ocf"
> type="pingd">
>          <instance_attributes id="pingd-internal-ia">
>            <nvpair id="pingd-internal-ia01" name="name"
> value="pingd-internal"/>
>            <nvpair id="pingd-internal-ia02" name="dampen" value="5s"/>
>            <nvpair id="pingd-internal-ia03" name="multiplier"
> value="1000"/>
>            <nvpair id="pingd-internal-ia04" name="host_list"
> value="172.17.32.23 192.168.132.23"/>
>          </instance_attributes>
>        </primitive>
>      </clone>
>
>      <clone id="clone-pingd-external">
>        <primitive id="pingd-external" provider="pacemaker" class="ocf"
> type="pingd">
>          <instance_attributes id="pingd-external-ia">
>            <nvpair id="pingd-external-ia01" name="name"
> value="pingd-external"/>
>            <nvpair id="pingd-external-ia02" name="dampen" value="5s"/>
>            <nvpair id="pingd-external-ia03" name="multiplier"
> value="1000"/>
>            <nvpair id="pingd-external-ia04" name="host_list"
> value="195.244.97.241"/>
>          </instance_attributes>
>        </primitive>
>      </clone>
>
> I defined a constraint for a resource so that it depends on pingd-internal
>
> <constraints>
>  <rsc_location id="hbtest1b-connectivity" rsc="hbtest1b">
>    <rule id="hbtest1b-connectivity-exclude-rule" score="-INFINITY" >
>      <expression id="hbtest1b-connectivity-exclude"
> attribute="pingd-internal" operation="not_defined"/>
>    </rule>
>  </rsc_location>
> </constraints>
>
> But this causes the resource to be unrunnable on either of my both nodes,
>
>
> There are as expected 2 pingd daemons running:
>
> root      6132     1  0 21:07 ?        00:00:00 /usr/lib/heartbeat/pingd
> -D -p /var/run/heartbeat/rsctmp/pingd-pingd-internal:0 -a pingd-internal
> -d 5s -m 1000 -h 172.17.32.23 -h 192.168.132.23
> root     13142     1  0 21:47 ?        00:00:00 /usr/lib/heartbeat/pingd
> -D -p /var/run/heartbeat/rsctmp/pingd-pingd-external:0 -a pingd-external
> -d 5s -m 1000 -h 195.244.97.241
>
> The problem is, I can't see in the cibadmin -Q output that the pingd
> daemons have
> have stored  their results anywhere..
>
> In the log I see the following output:
>
> Sep 24 22:01:46 xen20a pingd: [13142]: WARN: dump_v4_echo: Bad echo (0):
> 3, code=1, seq=0, id=0, check=24031
> Sep 24 22:01:47 xen20a pingd: [13142]: WARN: dump_v4_echo: Bad echo (0):
> 3, code=1, seq=0, id=0, check=24031
> Sep 24 22:01:48 xen20a pingd: [13142]: WARN: dump_v4_echo: Bad echo (0):
> 8, code=0, seq=261, id=0, check=22762
> Sep 24 22:01:48 xen20a pingd: [6132]: WARN: dump_v4_echo: Bad echo (0):
> 8, code=0, seq=263, id=0, check=22250
> Sep 24 22:01:50 xen20a pingd: [13142]: info: stand_alone_ping: Node
> 195.244.97.241 is alive (1)
> Sep 24 22:01:50 xen20a pingd: [13142]: info: send_update: 1 active ping
> nodes
> Sep 24 22:01:51 xen20a pingd: [6132]: WARN: dump_v4_echo: Bad echo (0):
> 3, code=1, seq=0, id=0, check=24031
> Sep 24 22:01:52 xen20a pingd: [6132]: info: stand_alone_ping: Node
> 172.17.32.23 is alive (3)
> Sep 24 22:01:53 xen20a pingd: [6132]: WARN: dump_v4_echo: Bad echo (0):
> 3, code=1, seq=0, id=0, check=24031
> Sep 24 22:01:54 xen20a pingd: [6132]: WARN: dump_v4_echo: Bad echo (0):
> 3, code=1, seq=0, id=0, check=25823
> Sep 24 22:01:55 xen20a pingd: [6132]: WARN: dump_v4_echo: Bad echo (0):
> 3, code=1, seq=0, id=0, check=24031
> Sep 24 22:01:57 xen20a pingd: [6132]: info: stand_alone_ping: Node
> 192.168.132.23 is alive (2)
> Sep 24 22:01:57 xen20a pingd: [6132]: info: send_update: 2 active ping nodes
>
> Where should the current pingd status be located in the cib ?
> What is wrong with my setup ?
>
> TIA,
> Bruno
>
>
>
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>
>



-- 
Serge Dubrouski.




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