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DASD Backup Supervisor (DBS) automates the DASD backup and recovery process by continuously auditing for new, deleted, renamed, or off-line volumes, and automatically generating jobs to back up and recover the DASD volumes. In addition, DBS simplifies the recovery of one or more individual data sets (including VSAM datasets) from DFDSS or FDR DASD backups. DBS automates point-in-time data replication products such as FlashCopy, SnapShot, and TimeFinder to ensure that all necessary volumes are replicated and backed up. DBS provides forecasting reports that enable you to adjust and fine tune DBS jobs for efficient backup and recovery.
The DASD volumes may be stacked on high density tape to maximize media utilization and/or written to multiple tapes simultaneously to help achieve recovery time and recovery point objectives. DBS makes automatic adjustments to the recovery jobs to accommodate unexpected equipment and configuration changes at the recovery site thereby, reducing recovery time, manpower requirements and disaster recovery test costs.
DBS can significantly decrease DASD backup window requirements; in some cases cutting the backup window requirement in half. The restore jobs that are generated by DBS are optimized to minimize the number of required tape mounts and repositioning commands. This optimization dramatically reduces recovery times, additional steps, and excessive overhead in the backup process.
DBS is specifically designed to stack full volume, incremental, and differential backups on high-capacity media to achieve optimal media utilization. DBS reduces media handling costs and vault storage costs.
DBS can create and recover from up to four duplexed backup copies. DBS also maintains several cycles of backups, any of which can be used in the recovery process by specifying the backup creation date/time or using the relative backup number.
DBS generates fully automated recovery jobs to be shipped offsite with the backup tapes, or recovery jobs can be created automatically at the recovery site. The restore jobs that are generated by DBS do not require the use of the system catalog or an active tape management system, making DBS the ideal choice for initial DASD restores in a disaster recovery test or after an actual disaster.
DBS applies mainframe D/R principles to open systems. By treating Linux and z/VM volumes as native z/OS volumes, DBS eliminates the need to use open systems full-volume backup and recovery tools. DBS creates a z/VM and/or Linux volume list and continuously audits DASD to ensure that all volumes that are necessary to the recovery process are backed up. At recovery time, DBS automatically restores the volumes so that they are ready for mounting.