February 2011
Intermediate to advanced
294 pages
11h 53m
English
Content preview from Pro Data Backup and Recovery
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CHAPTER 1 ■ INTRODUCTION TO BACKUP AND RECOVERY
12
the archive copy represents the only valid copy of the data. Depending on the type of media on which
the archive is stored, it might mean that the archive will still require a backup of some type. This backup
will not be as frequent, however, and there will be far fewer copies of the archive retained.
If the data were archived to unprotected static media such as a disk, an additional backup of the 5
TB of data in the archive would be required to ensure the survival of the archive in the event of a
hardware or logical failure. The backup of the archive would be required only as frequently as new data
is added to the archive, or as frequently as required to satisfy organizational or regulatory ...
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