February 2011
Intermediate to advanced
294 pages
11h 53m
English
Content preview from Pro Data Backup and Recovery
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CHAPTER 9 ■ PUTTING IT ALL TOGETHER: SAMPLE BACKUP ENVIRONMENTS
228
Of course, all this presupposes several things:
• Disk storage was used as a staging mechanism to tapetape was/is not used as
the primary storage target.
• If disk storage was selected as a primary storage, either for storage of the backup
for the retention period, or as a simple staging area, the storage selected was NAS.
• If local storage is used, it is internal to the media writer and not SAN-attached
storage.
The first two items are relatively obvious, but why does it matter if local storage is used and it is SAN
attached? One of the big drawbacks of using internal storage is the lack of expandability—the amount of
storage is inherently limited by the number of physical ...
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