To set up a cluster with Volume Replicator:

1. Set up and configure the hardware at each site.

   For Volume Replicator, installation requires at least two servers running SFW with a network connection between them: one as the primary at the main site and the other as the secondary at a second site. Optionally, you can have additional secondary sites.

   If you plan to use clustering with SFW HA or SFW and Microsoft Failover Clustering, you have several configuration choices. Probably the most common one is to have four servers, two each clustered together at each site. You can also have a cluster with two servers, one node at the primary site and the other at the secondary. Another variation is for the primary site to have a two-node cluster while the secondary site has a standalone server for replication.

2. Install the operating system and configure the network.
3. Install InfoScale Storage or InfoScale Enterprise.

   InfoScale Enterprise includes Global Cluster Option (GCO), that facilitates replication support after a site failure.

4. After the installation completes, the Volume Replicator Security Service Configuration Wizard (VxSAS) is launched.

   Follow the instructions in the Volume Replicator documentation to configure this service, which is required for Volume Replicator commands to work properly.

5. Create one or more disk groups in SFW or SFW HA on your primary system. Then create the volumes within each disk group.

   You are creating the volumes to be replicated. You can create the volume for the Volume Replicator Replicator Log now or wait until you run the Volume Replicator wizard for setting up RDS on the system.

   The wizard lets you either identify an existing volume for the log volume or to have the wizard bring up the screen for creating the volume so you can create the volume at that time.

6. If you plan to use an application on your system, you need to install and configure the application at this point.

7. On your secondary system, create a duplicate of the disk groups and volumes that are on the primary system. You can do this step in one of the two following ways:

   • Repeat the same manual procedures to set up the disk groups and volumes that you used previously on the primary system.

   • Wait until you run the Volume Replicator RDS Wizard and allow Volume Replicator to make a duplicate of the disk groups and volumes for you.

   The secondary disk groups and volumes should have the same names as the primary disk groups and volumes. The data volumes on the secondary site should be the same size as the corresponding data volumes on the primary site. The log volume on the secondary can be a different size, but Veritas recommends that the sizes be the same.

   If you have installed an application on the primary site, it also needs to be installed on the secondary site.

8. If you have VCS or Microsoft Failover Clustering clusters, create virtual IP resources for replication.

   You need to create a virtual IP resource that is used for replication for each replicated disk group. In addition, if you are using VCS, you need to specify a NIC resource. This NIC resource is not needed for a Microsoft failover cluster. Create the IP resource on both the primary and secondary sites. Each site needs its own IP address. This virtual IP should be linked to the NIC that is used for the server at each site.

9. Set up the Replicated data sets for Volume Replicator.

   Refer to the Volume Replicator Administrator's Guide or the Storage Foundation Solutions guides for detailed instructions.