Setting up the Redundant License Manager Pool

Each License Manager runs on a separate computer on the network.

To create a redundant License Manager setup:

1.Install (but don’t run) the License Managers on different computers on the network.

2.Set each client to access the License Manager for by setting the LSHOST or LSFORCEHOST environment variables or allow the client to broadcast for an available License Manager.

NOTE   If your software vendor has specified that the License Managers will be locked to specific computers, you will need to run echoid on each computer and record the locking code. You should also record the host name of each computer and its IP address.

3.Install the licensed applications on the end user computers.

NOTE   If any License Managers are running that will be used as redundant License Managers, you must shut them down before creating the redundant license file.

4.After you receive the license codes from your software vendor that will be serviced by the redundant License Manager pool, use WRlfTool or rlftool (or WlmAdmin to call WRlfTool) to create a redundant license file to:

•Add the License Managers to the redundant License Manager pool by specifying the host name and IP address for each computer containing a redundant License Manager. This defines which License Managers are in the redundant License Manager pool. Remember to follow the Requirements and Recommendations for Setting up Redundant License Managers.

•Set the preference number of the License Managers. The first License Manager added to the pool and started up first is also known as the leader and all other License Managers will be known as the followers. The preference order specifies the order in which the leader will be chosen if the current leader goes down.

5.Use rlftool or WRlfTool to add the redundant license codes received from the software vendor into the redundant license file (by default named as, lservrlf).

NOTE   By using the lslic utility, redundant licenses can be added dynamically. If the requested License Manager is a follower, it will forward the request to the leader; the leader License Manager will then check the validity of license. If the license can be added, the leader will add that license and forward the license code to all the followers.

6.Since this is the first time that the redundant License Manager pool has been set up, you need to copy the redundant license file to each of the computers on which the redundant License Managers resides. After this, changes to any one of the redundant license files will automatically be transmitted to each redundant License Manager when one of the License Managers is stopped and restarted.

**WARNING**   Do not create a “mixed” redundant License Manager pool—a one that consists of both isolated License Managers (of the same software vendor) and generic License Managers. Instead, you can create a pool consisting of either isolated License Managers or generic License Managers.

7.Bring up each of the License Managers in the pool. Because the redundant license file is in the same directory as each License Manager, each License Manager will automatically start up as a redundant License Manager.