Client side cache for deduplication backup systems

Protected data is divided into a plurality of segments. For each segment in the plurality of segments, a fingerprint is generated. The plurality of fingerprints is grouped into group(s) of fingerprints and for each group of fingerprints, a group fingerprint is generated. It is determined if the grou...

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Bibliographische Detailangaben
Hauptverfasser: Ogata, Scott H, Fan, Qun, Dangi, Salil, Levin-Michael, Orit, Auchmoody, Scott Clifford
Format: Patent
Sprache:eng
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Zusammenfassung:Protected data is divided into a plurality of segments. For each segment in the plurality of segments, a fingerprint is generated. The plurality of fingerprints is grouped into group(s) of fingerprints and for each group of fingerprints, a group fingerprint is generated. It is determined if the group fingerprint being processed is stored in a cache and if so, the group fingerprint being processed is flagged as one for which a virtual copy will be performed.