MACROMEDIA COLDFUSION 4.5-ADMINISTRING COLDFUSION SERVER Manual page 258

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4. Click OK to add the cluster member to the existing cluster.
Deleting cluster members
1. Open the ClusterCATS Web Explorer if it's not already open.
2. Click the Delete Server link.
The Delete Server page appears.
3. Select the cluster member you want to delete from the Web Server Name drop-
down box and click OK.
A message appears telling you that the selected server has been deleted.
Note
Configuring server load thresholds
For each cluster member, you configure a Peak load threshold and a Gradual
Redirection threshold. The Peak load threshold represents the maximum load the
server can handle before its performance degrades significantly or becomes
unavailable. The Gradual Redirection threshold represents the point at which HTTP
requests will begin to be redirected to other less loaded members in a cluster so that
the server's performance does not degrade or become unavailable.
If you delete the last cluster member in a cluster, the cluster is also
deleted and you are returned to the default page of the ClusterCATS
Web Explorer. If you want to delete a cluster, you must delete all of its
members.
Administering ColdFusion Server