WO2005050386A3 - System and method for performing a snapshot and for restoring data - Google Patents

System and method for performing a snapshot and for restoring data Download PDF

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Publication number
WO2005050386A3
WO2005050386A3 PCT/US2004/038324 US2004038324W WO2005050386A3 WO 2005050386 A3 WO2005050386 A3 WO 2005050386A3 US 2004038324 W US2004038324 W US 2004038324W WO 2005050386 A3 WO2005050386 A3 WO 2005050386A3
Authority
WO
WIPO (PCT)
Prior art keywords
snapshot
information store
contents
storage device
restoring data
Prior art date
Application number
PCT/US2004/038324
Other languages
French (fr)
Other versions
WO2005050386A2 (en
WO2005050386B1 (en
Inventor
Anand Prahlad
David Ngo
Original Assignee
Commvault Systems Inc
Anand Prahlad
David Ngo
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34594969&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2005050386(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Commvault Systems Inc, Anand Prahlad, David Ngo filed Critical Commvault Systems Inc
Priority to CA2548542A priority Critical patent/CA2548542C/en
Priority to GB0611503A priority patent/GB2425198B/en
Publication of WO2005050386A2 publication Critical patent/WO2005050386A2/en
Publication of WO2005050386A3 publication Critical patent/WO2005050386A3/en
Priority to IL175034A priority patent/IL175034A0/en
Publication of WO2005050386B1 publication Critical patent/WO2005050386B1/en

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14Error detection or correction of the data by redundancy in operation
    • G06F11/1402Saving, restoring, recovering or retrying
    • G06F11/1446Point-in-time backing up or restoration of persistent data
    • G06F11/1458Management of the backup or restore process
    • G06F11/1469Backup restoration techniques
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14Error detection or correction of the data by redundancy in operation
    • G06F11/1402Saving, restoring, recovering or retrying
    • G06F11/1415Saving, restoring, recovering or retrying at system level
    • G06F11/1435Saving, restoring, recovering or retrying at system level using file system or storage system metadata
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14Error detection or correction of the data by redundancy in operation
    • G06F11/1402Saving, restoring, recovering or retrying
    • G06F11/1446Point-in-time backing up or restoration of persistent data
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14Error detection or correction of the data by redundancy in operation
    • G06F11/1402Saving, restoring, recovering or retrying
    • G06F11/1446Point-in-time backing up or restoration of persistent data
    • G06F11/1448Management of the data involved in backup or backup restore
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/11File system administration, e.g. details of archiving or snapshots
    • G06F16/128Details of file system snapshots on the file-level, e.g. snapshot creation, administration, deletion
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/17Details of further file system functions
    • G06F16/178Techniques for file synchronisation in file systems
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/18File system types
    • G06F16/182Distributed file systems
    • G06F16/184Distributed file systems implemented as replicated file system
    • G06F16/1844Management specifically adapted to replicated file systems
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/22Indexing; Data structures therefor; Storage structures
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/28Databases characterised by their database models, e.g. relational or object models
    • G06F16/284Relational databases
    • G06F16/285Clustering or classification
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/80Information retrieval; Database structures therefor; File system structures therefor of semi-structured data, e.g. markup language structured data such as SGML, XML or HTML
    • G06F16/84Mapping; Conversion
    • G06F16/86Mapping to a database
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/80Database-specific techniques
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/805Real-time
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/84Using snapshots, i.e. a logical point-in-time copy of the data
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00Data processing: database and file management or data structures
    • Y10S707/99941Database schema or data structure
    • Y10S707/99944Object-oriented database structure
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00Data processing: database and file management or data structures
    • Y10S707/99951File or database maintenance
    • Y10S707/99952Coherency, e.g. same view to multiple users
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00Data processing: database and file management or data structures
    • Y10S707/99951File or database maintenance
    • Y10S707/99952Coherency, e.g. same view to multiple users
    • Y10S707/99953Recoverability
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00Data processing: database and file management or data structures
    • Y10S707/99951File or database maintenance
    • Y10S707/99952Coherency, e.g. same view to multiple users
    • Y10S707/99955Archiving or backup

Abstract

The present invention relates to a method for tracking a plurality of snapshots of an information store (90). The present invention comprises performing a first snapshot of an information store (90) that indexes (120) the contents of the information store, copying the contents of the information store to a first storage device (115), using the first snapshot, and updating a replication volume table (102) indicating the storage of the contents of the first information store using the first snapshot on the first storage device. A second snapshot is performed of the information store that indexes the contents of the information store (90), the contents of the information store are copied to a second storage device using the second snapshot and the replication volume table (120) is updated to indicate the storage of the contents of the first information store using the second snapshot on the second storage device (115).
PCT/US2004/038324 2003-11-13 2004-11-15 System and method for performing a snapshot and for restoring data WO2005050386A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA2548542A CA2548542C (en) 2003-11-13 2004-11-15 System and method for performing a snapshot and for restoring data
GB0611503A GB2425198B (en) 2003-11-13 2004-11-15 System and method for performing a snapshot
IL175034A IL175034A0 (en) 2003-11-13 2006-04-20 System and method for performing a snapshot and for restoring data

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US51957603P 2003-11-13 2003-11-13
US51987603P 2003-11-13 2003-11-13
US60/519,576 2003-11-13
US60/519,876 2003-11-13

Publications (3)

Publication Number Publication Date
WO2005050386A2 WO2005050386A2 (en) 2005-06-02
WO2005050386A3 true WO2005050386A3 (en) 2006-03-23
WO2005050386B1 WO2005050386B1 (en) 2006-05-11

Family

ID=34594969

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US2004/038324 WO2005050386A2 (en) 2003-11-13 2004-11-15 System and method for performing a snapshot and for restoring data
PCT/US2004/038455 WO2005048085A2 (en) 2003-11-13 2004-11-15 System and method for performing an image level snapshot and for restoring partial volume data

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/US2004/038455 WO2005048085A2 (en) 2003-11-13 2004-11-15 System and method for performing an image level snapshot and for restoring partial volume data

Country Status (5)

Country Link
US (11) US7539707B2 (en)
CA (2) CA2548542C (en)
GB (2) GB2425198B (en)
IL (2) IL175037A0 (en)
WO (2) WO2005050386A2 (en)

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US20050193026A1 (en) 2005-09-01
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