IBM E16RMLL-I Implementation Guide - Page 715
data protection modules.
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choose to do this, pay attention to the archive copygroup that you are using. The archive copygroup will determine how long the objects will exist before expiring. There are also specific backup retention and version requirements for specific data protection modules. Table 21-1 summarizes the backup and archive copygroup requirements for each data protection module. Table 21-1 Data protection backup and archive copygroup requirements Data protection Backup copy group requirements module Archive copy group requirements Data Protection for WebSphere Application Server You can set verdeleted, verexist, retonly, and retextra Not required. parameters according to your retention requirements. Data Protection for Informix (or inbuilt Informix backup support) You can set verdeleted, verexist, retonly, and retextra Not required. parameters according to your retention requirements. Data Protection for Microsoft SQL For SQL database objects, you can set verdeleted, verexist, retonly, and retextra parameters according to your retention requirements. For log and set objects, which are always uniquely named, set the retonly parameter to control expiration. When selecting the retonly value for log backups, ensure that it is at least as long as the value for the backup objects the logs are associated with. Data objects and their associated meta objects should have the same version limits and retention values. You may want to consider storing meta objects in a disk-storage pool so that media mount is not necessary when doing data protection for SQL queries. Alternatively, you can use the same management class if you rarely need the meta objects. Not required. Data Protection for Oracle Since backup objects inserted into the Tivoli Storage Manager backup storage pool have unique file names, they never expire on the Tivoli Storage Manager server. The following options must be set to handle this case: verdeleted=0 retonly=0 Not required. Chapter 21. Data Protection configuration on the server 685