⁠Appendix A. Configuration Recap

Table of Contents

⁠A.1. Final Cluster Configuration

[root@pcmk-1 ~]# pcs resource
 Master/Slave Set: WebDataClone [WebData]
     Masters: [ pcmk-1 pcmk-2 ]
 Clone Set: dlm-clone [dlm]
     Started: [ pcmk-1 pcmk-2 ]
 ClusterIP      (ocf::heartbeat:IPaddr2):       Started pcmk-1
 Clone Set: WebFS-clone [WebFS]
     Started: [ pcmk-1 pcmk-2 ]
 WebSite        (ocf::heartbeat:apache):        Started pcmk-1

[root@pcmk-1 ~]# pcs resource op defaults
timeout: 240s

[root@pcmk-1 ~]# pcs stonith
 impi-fencing   (stonith:fence_ipmilan): Started pcmk-1

[root@pcmk-1 ~]# pcs constraint
Location Constraints:
Ordering Constraints:
  start ClusterIP then start WebSite (kind:Mandatory)
  promote WebDataClone then start WebFS-clone (kind:Mandatory)
  start WebFS-clone then start WebSite (kind:Mandatory)
  start dlm-clone then start WebFS-clone (kind:Mandatory)
Colocation Constraints:
  WebSite with ClusterIP (score:INFINITY)
  WebFS-clone with WebDataClone (score:INFINITY) (with-rsc-role:Master)
  WebSite with WebFS-clone (score:INFINITY)
  WebFS-clone with dlm-clone (score:INFINITY)
Ticket Constraints:

[root@pcmk-1 ~]# pcs status
Cluster name: mycluster
Stack: corosync
Current DC: pcmk-1 (version 1.1.18-11.el7_5.3-2b07d5c5a9) - partition with quorum
Last updated: Tue Sep 11 10:41:53 2018
Last change: Tue Sep 11 10:40:16 2018 by root via cibadmin on pcmk-1

2 nodes configured
11 resources configured

Online: [ pcmk-1 pcmk-2 ]

Full list of resources:

 ipmi-fencing   (stonith:fence_ipmilan):        Started pcmk-1
 Master/Slave Set: WebDataClone [WebData]
     Masters: [ pcmk-1 pcmk-2 ]
 Clone Set: dlm-clone [dlm]
     Started: [ pcmk-1 pcmk-2 ]
 ClusterIP      (ocf::heartbeat:IPaddr2):       Started pcmk-1
 Clone Set: WebFS-clone [WebFS]
     Started: [ pcmk-1 pcmk-2 ]
 WebSite        (ocf::heartbeat:apache):        Started pcmk-1

Daemon Status:
  corosync: active/disabled
  pacemaker: active/disabled
  pcsd: active/enabled

[root@pcmk-1 ~]# pcs cluster cib --config

<configuration>
  <crm_config>
    <cluster_property_set id="cib-bootstrap-options">
      <nvpair id="cib-bootstrap-options-have-watchdog" name="have-watchdog" value="false"/>
      <nvpair id="cib-bootstrap-options-dc-version" name="dc-version" value="1.1.18-11.el7_5.3-2b07d5c5a9"/>
      <nvpair id="cib-bootstrap-options-cluster-infrastructure" name="cluster-infrastructure" value="corosync"/>
      <nvpair id="cib-bootstrap-options-cluster-name" name="cluster-name" value="mycluster"/>
      <nvpair id="cib-bootstrap-options-stonith-enabled" name="stonith-enabled" value="true"/>
      <nvpair id="cib-bootstrap-options-last-lrm-refresh" name="last-lrm-refresh" value="1536679009"/>
    </cluster_property_set>
  </crm_config>
  <nodes>
    <node id="1" uname="pcmk-1"/>
    <node id="2" uname="pcmk-2"/>
  </nodes>
  <resources>
    <primitive class="stonith" id="impi-fencing" type="fence_ipmilan">
      <instance_attributes id="impi-fencing-instance_attributes">
        <nvpair id="impi-fencing-instance_attributes-pcmk_host_list" name="pcmk_host_list" value="pcmk-1 pcmk-2"/>
        <nvpair id="impi-fencing-instance_attributes-ipaddr" name="ipaddr" value="10.0.0.1"/>
        <nvpair id="impi-fencing-instance_attributes-login" name="login" value="testuser"/>
        <nvpair id="impi-fencing-instance_attributes-passwd" name="passwd" value="acd123"/>
      </instance_attributes>
      <operations>
        <op id="impi-fencing-interval-60s" interval="60s" name="monitor"/>
      </operations>
    </primitive>
    <master id="WebDataClone">
      <primitive class="ocf" id="WebData" provider="linbit" type="drbd">
        <instance_attributes id="WebData-instance_attributes">
          <nvpair id="WebData-instance_attributes-drbd_resource" name="drbd_resource" value="wwwdata"/>
        </instance_attributes>
        <operations>
          <op id="WebData-demote-interval-0s" interval="0s" name="demote" timeout="90"/>
          <op id="WebData-monitor-interval-60s" interval="60s" name="monitor"/>
          <op id="WebData-notify-interval-0s" interval="0s" name="notify" timeout="90"/>
          <op id="WebData-promote-interval-0s" interval="0s" name="promote" timeout="90"/>
          <op id="WebData-reload-interval-0s" interval="0s" name="reload" timeout="30"/>
          <op id="WebData-start-interval-0s" interval="0s" name="start" timeout="240"/>
          <op id="WebData-stop-interval-0s" interval="0s" name="stop" timeout="100"/>
        </operations>
      </primitive>
      <meta_attributes id="WebDataClone-meta_attributes">
        <nvpair id="WebDataClone-meta_attributes-master-node-max" name="master-node-max" value="1"/>
        <nvpair id="WebDataClone-meta_attributes-clone-max" name="clone-max" value="2"/>
        <nvpair id="WebDataClone-meta_attributes-notify" name="notify" value="true"/>
        <nvpair id="WebDataClone-meta_attributes-master-max" name="master-max" value="2"/>
        <nvpair id="WebDataClone-meta_attributes-clone-node-max" name="clone-node-max" value="1"/>
      </meta_attributes>
    </master>
    <clone id="dlm-clone">
      <primitive class="ocf" id="dlm" provider="pacemaker" type="controld">
        <operations>
          <op id="dlm-monitor-interval-60s" interval="60s" name="monitor"/>
          <op id="dlm-start-interval-0s" interval="0s" name="start" timeout="90"/>
          <op id="dlm-stop-interval-0s" interval="0s" name="stop" timeout="100"/>
        </operations>
      </primitive>
      <meta_attributes id="dlm-clone-meta_attributes">
        <nvpair id="dlm-clone-meta_attributes-clone-max" name="clone-max" value="2"/>
        <nvpair id="dlm-clone-meta_attributes-clone-node-max" name="clone-node-max" value="1"/>
      </meta_attributes>
    </clone>
    <primitive class="ocf" id="ClusterIP" provider="heartbeat" type="IPaddr2">
      <instance_attributes id="ClusterIP-instance_attributes">
        <nvpair id="ClusterIP-instance_attributes-cidr_netmask" name="cidr_netmask" value="24"/>
        <nvpair id="ClusterIP-instance_attributes-ip" name="ip" value="192.168.122.120"/>
        <nvpair id="ClusterIP-instance_attributes-clusterip_hash" name="clusterip_hash" value="sourceip"/>
      </instance_attributes>
      <operations>
        <op id="ClusterIP-monitor-interval-30s" interval="30s" name="monitor"/>
        <op id="ClusterIP-start-interval-0s" interval="0s" name="start" timeout="20s"/>
        <op id="ClusterIP-stop-interval-0s" interval="0s" name="stop" timeout="20s"/>
      </operations>
      <meta_attributes id="ClusterIP-meta_attributes">
        <nvpair id="ClusterIP-meta_attributes-resource-stickiness" name="resource-stickiness" value="0"/>
      </meta_attributes>
    </primitive>
    <clone id="WebFS-clone">
      <primitive class="ocf" id="WebFS" provider="heartbeat" type="Filesystem">
        <instance_attributes id="WebFS-instance_attributes">
          <nvpair id="WebFS-instance_attributes-device" name="device" value="/dev/drbd1"/>
          <nvpair id="WebFS-instance_attributes-directory" name="directory" value="/var/www/html"/>
          <nvpair id="WebFS-instance_attributes-fstype" name="fstype" value="gfs2"/>
        </instance_attributes>
        <operations>
          <op id="WebFS-monitor-interval-20" interval="20" name="monitor" timeout="40"/>
          <op id="WebFS-notify-interval-0s" interval="0s" name="notify" timeout="60"/>
          <op id="WebFS-start-interval-0s" interval="0s" name="start" timeout="60"/>
          <op id="WebFS-stop-interval-0s" interval="0s" name="stop" timeout="60"/>
        </operations>
      </primitive>
    </clone>
    <primitive class="ocf" id="WebSite" provider="heartbeat" type="apache">
      <instance_attributes id="WebSite-instance_attributes">
        <nvpair id="WebSite-instance_attributes-configfile" name="configfile" value="/etc/httpd/conf/httpd.conf"/>
        <nvpair id="WebSite-instance_attributes-statusurl" name="statusurl" value="http://localhost/server-status"/>
      </instance_attributes>
      <operations>
        <op id="WebSite-monitor-interval-1min" interval="1min" name="monitor"/>
        <op id="WebSite-start-interval-0s" interval="0s" name="start" timeout="40s"/>
        <op id="WebSite-stop-interval-0s" interval="0s" name="stop" timeout="60s"/>
      </operations>
    </primitive>
  </resources>
  <constraints>
    <rsc_colocation id="colocation-WebSite-ClusterIP-INFINITY" rsc="WebSite" score="INFINITY" with-rsc="ClusterIP"/>
    <rsc_order first="ClusterIP" first-action="start" id="order-ClusterIP-WebSite-mandatory" then="WebSite" then-action="start"/>
    <rsc_colocation id="colocation-WebFS-WebDataClone-INFINITY" rsc="WebFS-clone" score="INFINITY" with-rsc="WebDataClone" with-rsc-role="Master"/>
    <rsc_order first="WebDataClone" first-action="promote" id="order-WebDataClone-WebFS-mandatory" then="WebFS-clone" then-action="start"/>
    <rsc_colocation id="colocation-WebSite-WebFS-INFINITY" rsc="WebSite" score="INFINITY" with-rsc="WebFS-clone"/>
    <rsc_order first="WebFS-clone" first-action="start" id="order-WebFS-WebSite-mandatory" then="WebSite" then-action="start"/>
    <rsc_colocation id="colocation-WebFS-dlm-clone-INFINITY" rsc="WebFS-clone" score="INFINITY" with-rsc="dlm-clone"/>
    <rsc_order first="dlm-clone" first-action="start" id="order-dlm-clone-WebFS-mandatory" then="WebFS-clone" then-action="start"/>
  </constraints>
  <rsc_defaults>
    <meta_attributes id="rsc_defaults-options">
      <nvpair id="rsc_defaults-options-resource-stickiness" name="resource-stickiness" value="100"/>
    </meta_attributes>
  </rsc_defaults>
  <op_defaults>
    <meta_attributes id="op_defaults-options">
      <nvpair id="op_defaults-options-timeout" name="timeout" value="240s"/>
    </meta_attributes>
  </op_defaults>
</configuration>