If you have multiple instances of a given Oracle Business Intelligence component in the deployment, you should first configure shared files and directories for the clustered components to use.
See Setting Up Shared Files and Directories.
After horizontally scaling out, you typically configure an HTTP server and load balancer to distribute requests across multiple managed servers. See Load Balancing in a Cluster in Administering Clusters for Oracle WebLogic Server. If a front end load balancer has been setup, then you must set the WebLogic Server Front-End Host and Port for the BI cluster (bi_cluster).
The commands described in this section should only be used by advanced users. Note that availability commands automatically create a symmetric set of processes when configuring additional hosts.
See Using the WebLogic Scripting Tool (WLST).
Note:
To add a new node to a cluster when SSL has been configured, you must scale out to the new cluster (see Adding New Computers), then ensure SSL is set up correctly (see Configuring SSL in Oracle Business Intelligence in Security Guide for Oracle Business Intelligence Enterprise Edition).
You can add a new computer to extend the BI cluster across multiple computers, increasing availability and capacity.
Assumptions
The new computer must meet the same install pre-requisites (for example, operating system, memory).
SDD must have been set up.
ORACLE_HOME must be the same absolute path on both computers.
It is recommended, but not required, that the DOMAIN_HOME is the same on both hosts.
A symmetric set of active-active components is created on the new computer.
The BI system must be stopped (offline).
You must have appropriate file system (offline) or Weblogic Administrator (online) permissions.
The same ports are allocated as on the original host.
The managed server is added to the existing Oracle Business Intelligence cluster.
Cluster Controller, Scheduler and BI Server mastership is not changed.
Note that optional base computer and server parameters are provided to support the case where m1/bi_server1 has been deleted.
Unless provided the computer (WebLogic machine) name will default to the listen address and must be less than 32 characters.
Adding a new computer creates an additional managed server, node manager, system components, and services on the new computer.
Post Conditions
Computer, Managed server, Node Manager and System Components are created.
Service instances are registered on the second computer.
Ports are allocated.
Remove a failed or redundant computer from a BI Cluster.
Assumptions
No binaries, configuration or state is deleted from the removed computer.
Cluster Controller, Scheduler and BI Server mastership is unchanged.
You cannot remove the master computer.
Service Instance registrations can be added or removed.
The BI system can be running (online) or stopped (offline).
You must have appropriate file system (offline) or Weblogic Administrator (online) permissions.
The command does not result in a loss of service.
The command can only result in a loss of availability if forced by the user.
Prerequisites
If possible, you should stop active components on the target computer before removing it using the status.sh and stop.sh scripts. See Using Commands to Start, Stop, and View Status of Oracle BI EE Processes.
Post Conditions
Computer, Managed Server, Node Manager and System Components are removed from that computer.
Service Instances are unregistered from that computer.
Ports are unallocated.