[Linux-HA] Network Failure Detection

[Andrew Beekhof]

On 6/28/07, Adrian Chapela <achapela.rexistros at gmail.com> wrote:
>
> Dominik Klein escribió:
> > Read the pre-last chapter on http://www.linux-ha.org/pingd
> > This should get you started on how to use pingd to do what you
> described.
> I read the chapter and now I have more problems....
>
> In the "slave" node appears this error:
>
> heartbeat[2606]: 2007/06/28_17:55:44 WARN: duplicate client add request
> [pingd] [2666]
> heartbeat[2606]: 2007/06/28_17:55:44 ERROR:
> api_process_registration_msg: cannot add client()
>
> This appears when I start heartbeat... what is ?? I am looking for a
> solution on the list and in google but I didn't find it.


did you add pingd to ha.cf as well?
you only need it in the cib _OR_ ha.cf, not both



My cib.xml now is:
>
> <resources>
>        <group id="MySQL_GROUP">
>          <primitive class="ocf" id="IPaddr_1" provider="heartbeat"
> type="IPaddr">
>            <operations>
>              <op id="1" interval="5s" name="monitor" timeout="5s"/>
>            </operations>
>            <instance_attributes id="ia1">
>              <attributes>
>                <nvpair id="ip1" name="ip" value="10.0.200.30"/>
>                <nvpair id="ip2" name="netmask" value="16"/>
>                <nvpair id="ip3" name="nic" value="eth3"/>
>              </attributes>
>            </instance_attributes>
>          </primitive>
>        </group>
>        <clone id="pingd">
>          <instance_attributes id="pingd">
>            <attributes>
>              <nvpair id="pingd-clone_node_max" name="clone_node_max"
> value="1"/>
>            </attributes>
>          </instance_attributes>
>          <primitive id="pingd-child" provider="heartbeat" class="ocf"
> type="pingd">
>            <operations>
>              <op id="pingd-child-monitor" name="monitor" interval="20s"
> timeout="40s" prereq="nothing"/>
>              <op id="pingd-child-start" name="start" prereq="nothing"/>
>            </operations>
>            <instance_attributes id="pingd_inst_attr">
>              <attributes>
>                <nvpair id="pingd-dampen" name="dampen" value="5s"/>
>                <nvpair id="pingd-multiplier" name="multiplier"
> value="100"/>
>              </attributes>
>            </instance_attributes>
>          </primitive>
>        </clone>
>      </resources>
>      <constraints>
>        <rsc_location id="my:resource:connected" rsc="pingd">  ####-->
> Here I must my resource group or resource id??
>          <rule id="my:resource:connected:rule" score="-INFINITY"
> boolean_op="or">
>            <expression id="my:resource:connected:expr:undefined"
> attribute="pingd" operation="not_defined"/>
>            <expression id="my:resource:connected:expr:zero"
> attribute="pingd" operation="lte" value="0"/>
>          </rule>
>        </rsc_location>
>        <rsc_location id="rsc_location_group_1" rsc="MySQL_GROUP">
>          <rule id="prefered_location_group_1" role="master" score="100">
>            <expression id="ex1" attribute="#uname" operation="eq"
> value="semsor10"/>
>          </rule>
>        </rsc_location>
>      </constraints>
>
> (I didn't paste all config file, I am only write the parte was changed...)
>
> Regards
> >
> > Regards
> > Dominik
> >
> >> I am using pingd to detects (IPFAIL isn't valid to HA V2 no ??) a
> >> network failure. I start the heartbeat in two servers. Then I unplug
> >> the wire on the "master" server. The VIP still is in the "master"
> >> server and the "slave" server doesn't assume the VIP.
> >>
> >> I am doing something wrong ??
> >
> >
> > _______________________________________________
> > 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
> >
>
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>