[Pacemaker] Master is restarted when other node comes online

emmanuel segura emi2fast at gmail.com
Sun Sep 28 07:03:08 EDT 2014


try to use interleave meta attribute in your clone definition

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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