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US Patent 8938425 Managing logical views of storage

Patent 8938425 was granted and assigned to EMC on January, 2015 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors

Is a

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Patent attributes

Current Assignee

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Philippe Armangau0

Jean-Pierre Bono0

Marc A. De Souter0

William Davenport0

Date of Patent

January 20, 2015

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Patent Application Number

131736220

Date Filed

June 30, 2011

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Patent Citations Received

US Patent 12001393 Directory snapshots based on directory level inode virtualization

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US Patent 11748301 Global tracking of virtual inode numbers in snap-based filesystems

US Patent 11762808 Deletion of snapshot of filesystem

US Patent 11880338 Hard link handling with directory snapshots

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US Patent 11934347 Determining a sharing relationship of a file in namespace snapshots

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US Patent 11995043 Map-reduce ready distributed file system

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Patent Primary Examiner

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Patent abstract

A method is used in managing logical views of storage. A logical view is created. The logical view includes a set of storage objects. A mapping object for the logical view is created. The mapping object manages access to the set of objects of the logical view. A snapshot copy of the logical view is created. The snapshot copy of the logical view shares a subset of the set of storage objects with the logical view. A version of the mapping object manages access to the snapshot copy.

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