[Pacemaker] Master is restarted when other node comes online

[Andrei Borzenkov]

On Sun, Sep 28, 2014 at 3:03 PM, emmanuel segura <emi2fast at gmail.com> wrote:
> try to use interleave meta attribute in your clone definition
>

Yes, you were right. I missed the fact that it was split between two
clones. Sorry, just starting with pacemaker , still learning ...

Thank you!

> http://www.hastexo.com/resources/hints-and-kinks/interleaving-pacemaker-clones
>
> 2014-09-28 9:56 GMT+02:00 Andrei Borzenkov <arvidjaar at gmail.com>:
>> I have two node cluster with single master/slave resource (replicated
>> database) using pacemaker+openais on SLES11 SP3 (pacemaker
>> 1.1.11-3ca8c3b). I hit weird situation that I did not see before, and
>> I cannot really understand it. Assuming master runs on node A and
>> slave runs on node B. If I stop cluster stack on B (rcopenais stop)
>> and start it again (rcopenais start) master is restarted. Of course
>> this means service interruption. Same happens if I reboot node B. I
>> have crm_report and can provide logs which are required but I wanted
>> first to quickly make sure this is not expected behavior.
>>
>> I have not seen it before, but now when I recall what I tested, it was
>> always simulation of node failure. I did not really tried above
>> scenario.
>>
>> Assuming this is correct behavior - what is the correct procedure to
>> shutdown single node then? It makes it impossible to do any
>> maintenance on slave node.
>>
>> Configuration below:
>>
>> node msksaphana1 \
>>     attributes hana_hdb_vhost="msksaphana1" hana_hdb_site="SITE1"
>> hana_hdb_remoteHost="msksaphana2" hana_hdb_srmode="sync"
>> lpa_hdb_lpt="1411732740"
>> node msksaphana2 \
>>     attributes hana_hdb_vhost="msksaphana2" hana_hdb_site="SITE2"
>> hana_hdb_srmode="sync" hana_hdb_remoteHost="msksaphana1"
>> lpa_hdb_lpt="30"
>> primitive rsc_SAPHanaTopology_HDB_HDB00 ocf:suse:SAPHanaTopology \
>>     params SID="HDB" InstanceNumber="00" \
>>     op monitor interval="10" timeout="600" \
>>     op start interval="0" timeout="600" \
>>     op stop interval="0" timeout="300"
>> primitive rsc_SAPHana_HDB_HDB00 ocf:suse:SAPHana \
>>     params SID="HDB" InstanceNumber="00" PREFER_SITE_TAKEOVER="true"
>> AUTOMATED_REGISTER="true" DUPLICATE_PRIMARY_TIMEOUT="7200" \
>>     op start timeout="3600" interval="0" \
>>     op stop timeout="3600" interval="0" \
>>     op promote timeout="3600" interval="0" \
>>     op monitor timeout="700" role="Master" interval="60" \
>>     op monitor timeout="700" role="Slave" interval="61"
>> primitive rsc_ip_HDB_HDB00 ocf:heartbeat:IPaddr2 \
>>     params ip="10.72.10.64" \
>>     op start timeout="20" interval="0" \
>>     op stop timeout="20" interval="0" \
>>     op monitor interval="10" timeout="20"
>> primitive stonith_IPMI_msksaphana1 stonith:external/ipmi \
>>     params ipmitool="/usr/bin/ipmitool" hostname="msksaphana1"
>> passwd="P at ssw0rd" userid="hacluster" ipaddr="10.72.5.47" \
>>     op stop timeout="15" interval="0" \
>>     op monitor timeout="20" interval="3600" \
>>     op start timeout="20" interval="0" \
>>     meta target-role="Started"
>> primitive stonith_IPMI_msksaphana2 stonith:external/ipmi \
>>     params ipmitool="/usr/bin/ipmitool" hostname="msksaphana2"
>> passwd="P at ssw0rd" userid="hacluster" ipaddr="10.72.5.48" \
>>     op stop timeout="15" interval="0" \
>>     op monitor timeout="20" interval="3600" \
>>     op start timeout="20" interval="0" \
>>     meta target-role="Started"
>> ms msl_SAPHana_HDB_HDB00 rsc_SAPHana_HDB_HDB00 \
>>     meta clone-max="2" clone-node-max="1" target-role="Started"
>> clone cln_SAPHanaTopology_HDB_HDB00 rsc_SAPHanaTopology_HDB_HDB00 \
>>     meta is-managed="true" clone-node-max="1" target-role="Started"
>> location stonoth_IPMI_msksaphana1_on_msksaphana2
>> stonith_IPMI_msksaphana1 -inf: msksaphana1
>> location stonoth_IPMI_msksaphana2_on_msksaphana1
>> stonith_IPMI_msksaphana2 -inf: msksaphana2
>> colocation col_saphana_ip_HDB_HDB00 2000: rsc_ip_HDB_HDB00:Started
>> msl_SAPHana_HDB_HDB00:Master
>> order ord_SAPHana_HDB_HDB00 2000: cln_SAPHanaTopology_HDB_HDB00
>> msl_SAPHana_HDB_HDB00
>> property $id="cib-bootstrap-options" \
>>     stonith-enabled="true" \
>>     placement-strategy="balanced" \
>>     dc-version="1.1.11-3ca8c3b" \
>>     cluster-infrastructure="classic openais (with plugin)" \
>>     expected-quorum-votes="2" \
>>     stonith-action="reboot" \
>>     no-quorum-policy="ignore" \
>>     last-lrm-refresh="1411730405"
>> rsc_defaults $id="rsc-options" \
>>     resource-stickiness="1" \
>>     migration-threshold="3"
>> op_defaults $id="op-options" \
>>     timeout="600" \
>>     record-pending="true"
>>
>> Thank you!
>>
>> -andrei
>>
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>
>
>
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