Failure of the Deployment Manager node

As the Deployment Manager provides a centralized view for the administration of the cell, backing up the master cell configuration repository on a regular basis is an important task. If the Deployment Manager fails, the cell's appservers continue to do their work, but you are unable to perform any configuration changes using the Deployment Manager's Administrative Console. It is possible to administer individual application server nodes using wsadmin, but any local changes will be overwritten once the Deployment Manager is online again and an automatic or manual repository synchronization is done.

Additional techniques for improving system availability like Deployment Manager high availability through clustering can be found in Part 4, High availability solutions, and also in the white paper by Wang and Bransford Server Clusters For High Availability in WAS Network Deployment Edition 5.0, to be found at:

http://www.ibm.com/support/docview.wss?uid=swg27002473

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