Published Article

  Newsletter Title - CA Learning Curve   CA, Inc. formerly Computer Associates

CA BrightStor® ARCserve® Backup Enhances Disk to Disk to Tape Processing

by Jeffrey Limpert, CA Senior Instructor

CA has added a new feature which allows backup administrators to setup and manage Disk to Disk to Tape (D2D2T) operations with the introduction of the Disk Staging Option in BrightStor ARCserve Backup (r 11.5).

D2D2T allows traditional backup jobs destined for tape media to first be copied to a specially configured File System Device which is treated as an intermediate and temporary backup area before being migrated to its usual target. File System Devices are directories used as backup media and offer the advantage of being relatively inexpensive and faster than tape drives. They have also served as Near Line Storage repositories allowing administrators with extra capacity to keep their backups available for restoration without having to call for a tape to be returned from its off-site location.

Disk Staging is based on the well accepted IT practice that in order for data to be better protected it is necessary to move the backup media to a second location which is preferably off-site, so if the BrightStor ARCserve Backup server, or the building that houses it is damaged the backed up data has a better chance of survivability. Since File System Devices are fixed to one location they are generally not deemed acceptable as a final location. Some archiving and compliance standards may also require the use of specific types of media which would not include fixed hard disk space.

Prior to BrightStor ARCserve Backup (r. 11.5) storage administrators had to enter commands from a prompt or write scripts to copy data from their File System Devices in order to place the data on tapes so that it could be then be transported to a second location to comply with policies, use in the event of a natural disaster, severe technical failure, or simple user request to restore a file.

D2D2T removes the complexities that arise when companies scale up to larger implementations of Disk Staging by automating the configuration, migration and cleanup of staged backup jobs. It does this by offering a GUI tool to convert a standard File System Device to a Staging Area. Jobs using staging are automatically routed to the now common Staging Area where they are held until the conditions of the policy are met. After specified times are met the staged data is 1) copied to it's final destination, 2) held for what is deemed an appropriate period in order to ensure the safe delivery of the tape(s) to the off-site repository and as mentioned earlier held to facilitate rapid restore of data, and 3) the data is finally purged, or deleted, from the staging area in order to reclaim space for additional backups.

D2D2T also serves smaller and mid-sized organizations as well because the same simple to use interface allows a Staging Area to be configured in minutes regardless of the amount of data an administrator plans to pass through it.

BrightStor ARCserve Backup continues to evolve with the IT industry taking advantage of new standards as they become adopted. D2D2T is only one example of this process.

To learn more about this topic and integration with other BrightStor® products, please register for BrightStor ARCserve Backup for Windows: Implementation and Administration (course code BR400).

Jeffrey Limpert has over 20 years of IT experience as an instructor, course developer, project manager, network analyst, network operations manager, consultant, support manager and sales representative. He has worked in both the public and private sectors.

The depth and breadth of his experience allows him to provide guidance and leadership to students from many industries and many areas of responsibility. As a courseware developer he translates students' needs so software features are clearly highlighted.


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