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View Prior Art for Claim 00001

A computer program product comprising a computer readable storage medium: having computer usable program code executable by a processor to perform operations for enhanced block-level deduplication, the operations comprising:storing one or more express block signatures in an express directory, the one or more express block signatures meeting a reference count requirement;

storing one or more primary block signatures and one or more reference counts for the primary block signatures in a primary directory, wherein each primary block signature has a corresponding reference count; and

determining whether a block signature for a data block matches one of the one or more express block signatures stored in the express directory as the data block is received by a storage device.

#868In-line or post-process de-duplication?

Applies to Claims 1

Submitted by: Alex HillLast updated: about 2 years ago

Title In-line or post-process de-duplication?

Description

Article describing data deduplication.

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#1105Non blocked

Applies to Claims 1

Submitted by: Yasemin ErsoyLast updated: about 2 years ago

Patent/Application # 12/356,921

Description

Same general idea for non blocked deduplication

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#1156Deduplication of Data on Disk Devices Based on a Threshold Number of Sequential Blocks

Applies to Claims 1,9

Submitted by: Timothy MyersLast updated: about 2 years ago

Patent/Application # US20090271402 A1

Description

Deduplication of data on disk devices based on a threshold number (THN) of sequential blocks is described herein, the threshold number being two or greater.

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