WO2009086090A3 - Selective extraction of information from a mirrored image file - Google Patents

Selective extraction of information from a mirrored image file Download PDF

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Publication number
WO2009086090A3
WO2009086090A3 PCT/US2008/087661 US2008087661W WO2009086090A3 WO 2009086090 A3 WO2009086090 A3 WO 2009086090A3 US 2008087661 W US2008087661 W US 2008087661W WO 2009086090 A3 WO2009086090 A3 WO 2009086090A3
Authority
WO
WIPO (PCT)
Prior art keywords
image file
file
information
selected information
selective extraction
Prior art date
Application number
PCT/US2008/087661
Other languages
French (fr)
Other versions
WO2009086090A2 (en
Inventor
Sandeep Mukherjee
Original Assignee
Netapp, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Netapp, Inc. filed Critical Netapp, Inc.
Publication of WO2009086090A2 publication Critical patent/WO2009086090A2/en
Publication of WO2009086090A3 publication Critical patent/WO2009086090A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/13—File access structures, e.g. distributed indices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/14—Details of searching files based on file metadata
    • G06F16/148—File search processing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/18—File system types
    • G06F16/1873—Versioning file systems, temporal file systems, e.g. file system supporting different historic versions of files

Abstract

An embodiment of the invention provides a method to extract selected information from an image file selectively without requiring the user to restore, on the destination storage server, the image file which has the data for a file system. The selected information can be, for example, contents of a file, contents of a directory, other information from the image file. The selected information can be selectively extracted by reading the blocks of the file from the WAFL data structures that has been stored in the image file. An index file is generated and this index file tracks the location of VBNs (virtual block numbers) in an image file so that the user can easily obtain the selected information from disk blocks that are identified by these VBNs.
PCT/US2008/087661 2007-12-21 2008-12-19 Selective extraction of information from a mirrored image file WO2009086090A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/963,473 2007-12-21
US11/963,473 US9507784B2 (en) 2007-12-21 2007-12-21 Selective extraction of information from a mirrored image file

Publications (2)

Publication Number Publication Date
WO2009086090A2 WO2009086090A2 (en) 2009-07-09
WO2009086090A3 true WO2009086090A3 (en) 2009-09-03

Family

ID=40789793

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/087661 WO2009086090A2 (en) 2007-12-21 2008-12-19 Selective extraction of information from a mirrored image file

Country Status (2)

Country Link
US (2) US9507784B2 (en)
WO (1) WO2009086090A2 (en)

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Also Published As

Publication number Publication date
US20170147591A1 (en) 2017-05-25
US9507784B2 (en) 2016-11-29
US10649954B2 (en) 2020-05-12
WO2009086090A2 (en) 2009-07-09
US20090164409A1 (en) 2009-06-25

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