6.2 Configuring Global Cluster Options

Global cluster options control how the cluster behaves when confronted with certain situations. They can be viewed and modified with the crm tool. The predefined values can be kept in most cases. However, to make key functions of your cluster work correctly, you need to adjust the following parameters after basic cluster setup:

Modifying Global Cluster Options With crm

  1. Open a shell and become root.

  2. Enter crm configure to open the internal shell.

  3. Use the following commands to set the options for a two-node clusters only: 

    crm(live)configure# property no-quorum-policy=ignore
crm(live)configure# property stonith-enabled=false

  4. Show your changes: 

    crm(live)configure# show
property $id="cib-bootstrap-options" \
   dc-version="1.1.1-530add2a3721a0ecccb24660a97dbfdaa3e68f51" \
   cluster-infrastructure="openais" \
   expected-quorum-votes="2" \
   no-quorum-policy="ignore" \
   stonith-enabled="false"

  5. Commit your changes and exit: 

    crm(live)configure# commit
crm(live)configure# exit