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Tape Capacity



Tape Capacity

A primary factor in determining which tape device you will use is the capacity you need.

Although this looks unimportant at first sight because you can have as many tapes as you want, it will become clear that large number of tapes contribute to performance, manageability and reliability problems. The needed capacity all depends on one question: will it be possible to change media manually during the backup operation? If the answer is no, you will need a tape drive that is capable of backing up the amount of data passed to it in one backup session on one tape. Keep in mind that the amount of data can grow.

Current tape media capacity ranges from 4 to 75 GB. If more space is needed, tape libraries might be a better solution.


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