[Pacemaker] Ordering set of resources, problem in ordering chain of resources

[Andrew Beekhof]

What version of pacemaker?

On Tue, Apr 19, 2011 at 9:10 AM, rakesh k <rakirocker4236 at gmail.com> wrote:
> Hi All
>
> I had configured Heartbeeat, pacemkaer on my two VM's
>
> Cluster with two nodes, two nodes are running cent-os as operation systems.
>
> Cluster configured with 8 resources and defined order, taking reference
> pacemaker explained
>
> please find the order and co-location constraints, taken from cib.xml
>
> <rsc_colocation id="Httpd-with-ip" rsc="HttpdVIP" score="INFINITY"
> with-rsc="Httpd"/>
> <rsc_colocation id="Tomcat1-with-ip" rsc="Tomcat1VIP" score="INFINITY"
> with-rsc="Tomcat1"/>
> <rsc_colocation id="Mysql-with-ip" rsc="MysqlVIP" score="INFINITY"
> with-rsc="MS_Mysql" with-rsc-role="Master"/>
> <rsc_order first="HttpdVIP" id="Httpd-after-op" score="INFINITY"
> then="Httpd"/>
> <rsc_order first="MysqlVIP" id="Mysql-after-ip" score="INFINITY"
> then="MS_Mysql"/>
> <rsc_order first="Tomcat1VIP" id="Tomcat1-after-ip" score="INFINITY"
> then="Tomcat1"/>
> <rsc_order first="MS_Mysql" id="Tomcat1-after-MYSQL" score="INFINITY"
> then="Tomcat1VIP"/>
> <rsc_colocation id="Tomcat2-with-Tomcat" rsc="Tomcat1" score="INFINITY"
> with-rsc="Tomcat2VIP"/>
> <rsc_order first="Tomcat2VIP" id="Tomcat2-after-ip" score="INFINITY"
> then="Tomcat2"/>
> <rsc_order first="Tomcat2" id="Httpd-after-Tomcat2" score="INFINITY"
> then="Httpd"/>
> <rsc_colocation id="tomcat2-with-ip" rsc="Tomcat2VIP" score="INFINITY"
> with-rsc="Tomcat2"/>
>
> so when heartbeat start on both nodes, the order resources started are
> MysqlVIP-->MSMysql-->tomcat1VIP-->Tomcat-->Tomcat2VIP-->tomcat2-->HttpdVIP-->Httpd
>
> My question is when i try to stop Mysql process since there is an order
> constraint .all the resources should stop, but still, when i do crm_mon  i
> see tomcat2,tomcat2vip,http,httpdVIP resources running on cluster frame work
> , can you please suggest me if there is any flaw in determining the order or
> co-location constraints.
>
>
>
> Regards
> Rakesh
>
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>
>