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7.4 Configuring Cluster Event E-Mail Notification
Novell Cluster Services can automatically send out e-mail messages for certain cluster events like
cluster and resource state changes or nodes joining or leaving the cluster.
IMPORTANT: Novell Cluster Services uses Postfix to send e-mail alerts. If you have a cluster
resource that uses SMTP, that resource might not work in the cluster unless you change the Postfix
configuration.
For example, GroupWise
same port, which it does by default. In this case, Postfix must be configured to use a different port.
You can do this by editing the
,
inet_interfaces
mydestination
You also need to change the listen port for the
See
the Postfix Web site (http://www.postfix.org)
You can enable or disable e-mail notification for the cluster and specify up to eight administrator e-
mail addresses for cluster notification.
1 In iManager, select Clusters, then select Cluster Options.
2 Specify the cluster name, or browse and select the Cluster object.
3 Click the Properties button under the cluster name.
4 Click the Policies tab.
5 Select or deselect the Enable Cluster Notification Events check box to enable or disable e-mail
notification.
6 If you enable e-mail notification, add up to eight e-mail addresses in the field provided.
You can click the buttons next to the field to add, delete, or edit e-mail addresses. Repeat this
process for each e-mail address you want on the notification list.
7 If you enable e-mail notification, specify the type of cluster events you want administrators to
receive messages for.
Only Critical Events: To only receive notification of critical events like a node failure or
a resource going comatose, click the Receive Only Critical Events radio button.
All Events: To receive notification of all cluster state changes including critical events,
resource state changes, and nodes joining and leaving the cluster, click the Verbose
Messages radio button.
8 If you enable e-mail notification, specify whether you want to receive notification of all cluster
state changes in XML format by selecting the XML Messages option.
XML format messages can be interpreted and formatted with a parser that lets you customize
the message information for your specific needs.
9 Click Apply or OK to save changes.
7.5 Viewing the Cluster Node Properties
You can view the cluster node number and IP address of the selected node as well as the
distinguished name of the Linux Server object.
1 In iManager, select Clusters, then select Cluster Options.
®
uses SMTP and will not function as a cluster resource if Postfix uses the
/etc/postfix/main.cf
, and
mynetworks_style
smtpd
for more information on configuring Postfix.
file and changing the values for the
lines.
process in the
/etc/postfix/master.cf
Configuring Cluster Policies and Priorities
file.
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Troubleshooting
