MACROMEDIA COLDFUSION 4.5-ADMINISTRING COLDFUSION SERVER Manual page 217

Chapter 6: Creating Scalable and Highly Available Web Sites
Note
If you need help configuring the maintenance IP address, see "Assigning a static IP
address to each server's NIC" on page 177.
7. Select the ClusterCATS Maintenance Support check box to enable support for
offline maintenance.
8. Enter the fully qualified host name of the maintenance address (for example,
serv1.yourcompany.com) in the Maintenance Address field.
9. Click OK.
10. Repeat steps 4 through 9 for each Web server you want to add to the cluster and
then click Next to proceed.
The Load Management dialog box appears.
11. If you want to use the default load threshold settings, click Next and go to step 14.
However, if you don't want to use the defaults, select the server and click Configure
to configure new peak and gradual redirect load thresholds for that cluster
member.
The Load Thresholds dialog box appears.
Offline maintenance support is only available on NT server clusters.
You can only set the maintenance support option when creating a
cluster or adding a cluster member to a cluster. You cannot configure
or modify this option after you have created and added the cluster
member to the cluster.
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