Setting up the DAS to use the Configuration Assistant and the Control Center

A DAS must reside on each physical database partition. When a DAS is created on the database partition, the DB2SYSTEM name is configured to the TCP⁄IP hostname and the discover setting is defaulted to SEARCH.

Before you begin

You must configure discover to retrieve information about systems on your network.

About this task

DB2® Discovery is a feature that is used by the Configuration Assistant and Control Center. Configuring for this feature might require that you update the DB2 administration server (DAS) configuration and an instance's database manager configuration to ensure that DB2 Discovery retrieves the correct information.

When a client issues a discovery request from the Configuration Assistant, or Control Center, each DAS with discovery enabled will respond. In a partitioned database environment, each physical database partition will respond as a separate DB2SYSTEM name. The actual instances that can be administered depend on the instances known by that physical database partition. Since instances can span multiple database partitions, the same instance can potentially be administered through different system names. You can use this capability to help you balance the load on the server instance. For example, if an instance "A" is available through system "S1" and system "S2", then some users could catalog a database using "S1" and some could catalog the same database using "S2". Each user could connect to the server using a different coordinator partition.