[DRBD-user] Starting services

David Hoskinson dhoskinson at eng.uiowa.edu
Tue Jun 16 23:17:01 CEST 2009

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


I am finally able to mount my drbd resource on the primary machine and mount
the filesystem.  However I am having no luck getting my services to run on
the correct machine and the device to come up.  I seem to get device, or
services, not both on primary machine. Hoping someone could tell me what I
am doing wrong.  The ipaddr and apache should actually be starting on mail2.
Thanks, heres a shot of crm_mon and my configuration.  Using drbd82 on a
centos box.

============
Last updated: Tue Jun 16 16:13:40 2009
Current DC: mail2.eng.uiowa.edu (587adf74-2ae3-48b9-8449-d25bc0a1b511)
2 Nodes configured.
3 Resources configured.
============

Node: mail2.eng.uiowa.edu (587adf74-2ae3-48b9-8449-d25bc0a1b511): online
Node: mail1.eng.uiowa.edu (a951b3e6-5704-479b-a36f-1728519eecca): online

Master/Slave Set: ms-drbd0
    drbd0:0    (heartbeat::ocf:drbd):    Master mail2.eng.uiowa.edu
    drbd0:1    (heartbeat::ocf:drbd):    Started mail1.eng.uiowa.edu
fs0    (heartbeat::ocf:Filesystem):    Started mail2.eng.uiowa.edu
Resource Group: group_apache
    ipaddr    (heartbeat::ocf:IPaddr):    Started mail1.eng.uiowa.edu
    apache    (heartbeat::ocf:apache):    Started mail1.eng.uiowa.edu


 <cib admin_epoch="0" epoch="1" have_quorum="false" ignore_dtd="false"
num_peers="0" cib_feature_revision="2.0" generated="false" num_updates="146"
cib-last-written="Tue Jun 16 16:04:10 2009">
   <configuration>
     <crm_config>
       <cluster_property_set id="cib-bootstrap-options">
         <attributes>
           <nvpair id="cib-bootstrap-options-dc-version" name="dc-version"
value="2.1.3-node: 552305612591183b1628baa5bc6e903e0f1e26a3"/>
         </attributes>
       </cluster_property_set>
     </crm_config>
     <nodes>
       <node id="587adf74-2ae3-48b9-8449-d25bc0a1b511"
uname="mail2.eng.uiowa.edu" type="normal"/>
       <node id="a951b3e6-5704-479b-a36f-1728519eecca"
uname="mail1.eng.uiowa.edu" type="normal"/>
     </nodes>
     <resources>
       <master_slave id="ms-drbd0">
         <meta_attributes id="ma-ms-drbd0">
           <attributes>
             <nvpair id="ma-ms-drbd0-1" name="clone_max" value="2"/>
             <nvpair id="ma-ms-drbd0-2" name="clone_node_max" value="1"/>
             <nvpair id="ma-ms-drbd0-3" name="master_max" value="1"/>
             <nvpair id="ma-ms-drbd0-4" name="master_node_max" value="1"/>
             <nvpair id="ma-ms-drbd0-5" name="notify" value="yes"/>
             <nvpair id="ma-ms-drbd0-6" name="globally_unique"
value="false"/>
           </attributes>
         </meta_attributes>
         <primitive id="drbd0" class="ocf" provider="heartbeat" type="drbd">
           <instance_attributes id="ia-drbd0">
             <attributes>
               <nvpair id="ia-drbd0-1" name="drbd_resource" value="r0"/>
             </attributes>
           </instance_attributes>
         </primitive>
       </master_slave>
       <primitive id="fs0" class="ocf" type="Filesystem"
provider="heartbeat">
         <meta_attributes id="ma-fs0">
           <attributes/>
         </meta_attributes>
         <instance_attributes id="ia-fs0">
           <attributes>
             <nvpair id="ia-fs0-1" name="fstype" value="ext3"/>
             <nvpair id="ia-fs0-2" name="directory" value="/shared"/>
             <nvpair id="ia-fs0-3" name="device" value="/dev/drbd0"/>
           </attributes>
        </instance_attributes>
       </primitive>
       <group id="group_apache">
         <primitive id="ipaddr" class="ocf" type="IPaddr"
provider="heartbeat">
           <instance_attributes id="ia_ipaddr">
             <attributes>
               <nvpair id="ia_ipaddr_ip" name="ip" value="128.255.22.17"/>
               <nvpair id="ia_ipaddr_nic" name="nic" value="eth1"/>
               <nvpair id="ia_ipaddr_netmask" name="netmask" value="24"/>
             </attributes>
           </instance_attributes>
         </primitive>
         <primitive id="apache" class="ocf" type="apache"
provider="heartbeat">
           <instance_attributes id="ia_apache">
             <attributes>
               <nvpair id="ia_apache_configfile" name="configfile"
value="/etc/httpd/conf/httpd.conf"/>
             </attributes>
           </instance_attributes>
         </primitive>
       </group>
     </resources>
     <constraints>
       <rsc_location id="rsc_location_group_1" rsc="ms-drbd0">
         <rule id="prefered_location_group_1" role="Master" score="100">
           <expression id="prefered_location_group_1_expr"
attribute="#uname" operation="eq" value="mail2.eng.uiowa.edu"/>
         </rule>
       </rsc_location>
       <rsc_location id="rsc_location_group_2" rsc="group_apache">
         <rule id="prefered_location_group_2" role="Master" score="100">
           <expression id="prefered_location_group_2_expr"
attribute="#uname" operation="eq" value="mail2.eng.uiowa.edu"/>
         </rule>
       </rsc_location>
       <rsc_order id="drbd0_before_fs0" from="fs0" action="start"
to="ms-drbd0" to_action="promote"/>
       <rsc_colocation id="fs0_on_drbd0" to="ms-drbd0" to_role="master"
from="fs0" score="infinity"/>
     </constraints>
   </configuration>
 </cib>

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