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Guidelines for Archiving DB2 UDB Log Files

This topic is part of Configuring an IBM DB2 UDB Database for Siebel Applications.

The database parameter LOGRETAIN is not enabled by default; this parameter may be important to you. When LOGRETAIN is set to OFF, the log files are reused in a circular fashion, and roll-forward recovery cannot be used. When LOGRETAIN is set to RECOVERY, all log files are kept on the system for the administrator to archive and delete.

If LOGRETAIN is set to NO, you can do only backup (restore) recovery and cannot do roll-forward recovery. This restriction may have implications for your disaster recovery process related to your production environment database.

Have your DBA review the setting for this parameter as well as the USEREXIT parameter. For more information on these parameters, see IBM documentation.