Red Hat CLUSTER FOR ENTERPRISE LINUX 5.0 Configuration Manual page 52

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Chapter 3. Configuring Red Hat Cluster With Conga
displayed on the cluster tab.
1. At the detailed menu for the cluster (below the clusters menu), click Failover Domains.
Clicking Failover Domains causes the display of failover domains with related services and
the display of menu items for failover domains: Add a Failover Domain and Configure a
Failover Domain .
2. Click Configure a Failover Domain. Clicking Configure a Failover Domain causes the
display of failover domains under Configure a Failover Domain at the detailed menu for the
cluster (below the clusters menu).
3. At the detailed menu for the cluster (below the clusters menu), click the failover domain to
modify. Clicking the failover domain causes the display of the Failover Domain Form page.
At the Failover Domain Form page, you can modify the failover domain name, prioritize
failover, restrict failover to this domain, and modify failover domain membership.
4. Modifying failover name — To change the failover domain name, modify the text at the
Failover Domain Name text box.
Note
The name should be descriptive enough to distinguish its purpose relative to
other names used in your cluster.
5. Failover priority — To enable or disable prioritized failover in this failover domain, click the
Prioritized checkbox. With Prioritized checked, you can set the priority value, Priority, for
each node selected as members of the failover domain. With Prioritizednot checked, setting
priority levels is disabled for this failover domain.
6. Restricted failover — To enable or disable restricted failover for members in this failover
domain, click the checkbox next to Restrict failover to this domain's members. With
Restrict failover to this domain's members checked, services assigned to this failover
domain fail over only to nodes in this failover domain. With Restrict failover to this
domain's membersnot checked, services assigned to this failover domain can fail over to
nodes outside this failover domain.
7. Modifying failover domain membership — Under Failover domain membership, click the
Membercheckbox for each node that is to be a member of the failover domain. A checked
box for a node means that the node is a member of the failover domain. If Prioritized is
checked, you can adjust the priority in the Priority text box for each member of the failover
domain.
8. Click Submit. Clicking Submit causes a progress page to be displayed followed by the
display of the Failover Domain Form page. That page displays the added resource and
includes the failover domain in the cluster menu to the left under Domain.
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