Implementing the Internet Agent in a Linux Cluster15167novdocx (en) 11 July 200815Implementing the Internet Agent ina Linux ClusterYou should already have set up at least a basic GroupWise® system, as described in Chapter 13,“Planning GroupWise in a Linux Cluster,” on page 133 and Chapter 14, “Setting Up a Domain and aPost Office in a Linux Cluster,” on page 143. As part of this process, you filled you the “SystemClustering Worksheet” on page 140. If you do not have access to the filled-out worksheet, print theworksheet now and fill in the clustering information as it currently exists on your system. You needthis information as you implement the Internet Agent in a cluster. Section 15.1, “Planning the Internet Agent in a Linux Cluster,” on page 167 Section 15.2, “Setting Up the Internet Agent in a Linux Cluster,” on page 171 Section 15.3, “Testing the Internet Agent in a Linux Cluster,” on page 182 Section 15.4, “Managing the Internet Agent in a Linux Cluster,” on page 183 Section 15.5, “Internet Agent Clustering Worksheet,” on page 184 Section 15.6, “Internet Agent Quick Checklist,” on page 18515.1 Planning the Internet Agent in a LinuxClusterA major system configuration difference between the Internet Agent in a clustering environment andthe Internet Agent in a regular environment is that you need to create a separate domain to houseeach GroupWise gateway, including the Internet Agent.The Section 15.5, “Internet Agent Clustering Worksheet,” on page 184 lists the information youneed as you set up the Internet Agent in a clustering environment. You should print the worksheetand fill it out as you complete the tasks listed below: Section 15.1.1, “Planning a Domain for the Internet Agent,” on page 168 Section 15.1.2, “Selecting the Internet Agent Partition and Secondary IP Address,” onpage 168 Section 15.1.3, “Determining an Appropriate Failover List for the Internet Agent,” on page 169 Section 15.1.4, “Determining Cluster Resource Information for the Internet Agent,” onpage 169 Section 15.1.5, “Preparing DNS for the Clustered Internet Agent,” on page 169 Section 15.1.6, “Preparing Your Firewall for the Clustered Internet Agent,” on page 169 Section 15.1.7, “Planning the MTA Installation,” on page 170 Section 15.1.8, “Planning the Internet Agent Installation,” on page 170
