Inventors:
Ying Hu - Northborough MA, US
Richard P. Ruef - Santa Cruz CA, US
Assignee:
EMC Corporation - Hopkinton MA
International Classification:
G06F 7/00, G06F 17/00
Abstract:
A method is used in deduplicating ranges of data blocks. A collection of data is selected from a set of storage extents. The collection of data is selected based on evaluation of digest information for a subset of the collection of data. A deduplicating technique is applied to the collection of data.