WO2007021997A3 - Snapshot indexing - Google Patents

Snapshot indexing Download PDF

Info

Publication number
WO2007021997A3
WO2007021997A3 PCT/US2006/031487 US2006031487W WO2007021997A3 WO 2007021997 A3 WO2007021997 A3 WO 2007021997A3 US 2006031487 W US2006031487 W US 2006031487W WO 2007021997 A3 WO2007021997 A3 WO 2007021997A3
Authority
WO
WIPO (PCT)
Prior art keywords
snapshot
data set
snapshot indexing
data
index
Prior art date
Application number
PCT/US2006/031487
Other languages
French (fr)
Other versions
WO2007021997A2 (en
Inventor
Nathan Kryger
Original Assignee
Emc Corp
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 Emc Corp filed Critical Emc Corp
Priority to JP2008527021A priority Critical patent/JP2009505289A/en
Priority to EP06801327A priority patent/EP1915710A4/en
Publication of WO2007021997A2 publication Critical patent/WO2007021997A2/en
Publication of WO2007021997A3 publication Critical patent/WO2007021997A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1446—Point-in-time backing up or restoration of persistent data
    • G06F11/1448—Management of the data involved in backup or backup restore
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/30—Information retrieval; Database structures therefor; File system structures therefor of unstructured textual data
    • G06F16/31—Indexing; Data structures therefor; Storage structures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1446—Point-in-time backing up or restoration of persistent data
    • G06F11/1458—Management of the backup or restore process
    • G06F11/1469—Backup restoration techniques
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/84—Using snapshots, i.e. a logical point-in-time copy of the data

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Software Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

Managing backup data comprises accessing a snapshot of a data set, wherein the data set includes at least one object and the snapshot includes a replica of the data set, and adding to an index associated with the snapshot, with respect to each of one or more objects included in the snapshot, index data indicating at least where the object is located within the snapshot.
PCT/US2006/031487 2005-08-18 2006-08-10 Snapshot indexing WO2007021997A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008527021A JP2009505289A (en) 2005-08-18 2006-08-10 Snapshot indexing
EP06801327A EP1915710A4 (en) 2005-08-18 2006-08-10 Snapshot indexing

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/207,588 US7716171B2 (en) 2005-08-18 2005-08-18 Snapshot indexing
US11/207,588 2005-08-18

Publications (2)

Publication Number Publication Date
WO2007021997A2 WO2007021997A2 (en) 2007-02-22
WO2007021997A3 true WO2007021997A3 (en) 2007-11-22

Family

ID=37758234

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/031487 WO2007021997A2 (en) 2005-08-18 2006-08-10 Snapshot indexing

Country Status (5)

Country Link
US (3) US7716171B2 (en)
EP (1) EP1915710A4 (en)
JP (1) JP2009505289A (en)
CN (1) CN101258491A (en)
WO (1) WO2007021997A2 (en)

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