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Figure 40 Steps of Accelerated deduplication
1.
On–the–fly backup analysis
Figure 41 (page 89)
Although Accelerated deduplication uses post-processing technology, backups are analyzed
initially while the backup is running. This process has minimal performance impact. The
deduplication software uses the metadata attached by the backup application to decode the
format of the tape. The resulting "metadata" of the tape's contents is stored in a database for
later use. This database stores a "map" of the logical backup objects on the tape, with tape
format headers removed to reveal the actual data.
88
Accelerated Deduplication
illustrates the steps in the first phase of Accelerated deduplication.
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