Reserved minidisks are CMS minidisks prepared for use with the CMS RESERVE command. When CA VM:Backup detects a reserved minidisk, it recognizes that the data is not in standard CMS format and performs a physical backup of the entire minidisk. By physically backing up the minidisk, CA VM:Backup ensures that the data can be restored in a usable format.
Because the reserved area is physically backed up, the restore of this portion is device-dependent.
Some sites prefer to include SQL/DS minidisks in their normal CA VM:Backup jobs to simplify daily operating procedures. The IBM Program Product SQL/DS includes facilities for logical archiving of database minidisks.
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