CN1291320C - 保存大容量存储系统的所选数据的快照 - Google Patents

保存大容量存储系统的所选数据的快照 Download PDF

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Publication number
CN1291320C
CN1291320C CNB028237064A CN02823706A CN1291320C CN 1291320 C CN1291320 C CN 1291320C CN B028237064 A CNB028237064 A CN B028237064A CN 02823706 A CN02823706 A CN 02823706A CN 1291320 C CN1291320 C CN 1291320C
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China
Prior art keywords
data
data block
block
mass storage
storage devices
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CNB028237064A
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Chinese (zh)
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CN1596400A (zh
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理查德·S·奥赫兰
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EMC Corp
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EMC Corp
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/1451—Management of the data involved in backup or backup restore by selection of backup contents
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/82—Solving problems relating to consistency
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99951—File or database maintenance
    • Y10S707/99952—Coherency, e.g. same view to multiple users
    • Y10S707/99953—Recoverability
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99951—File or database maintenance
    • Y10S707/99952—Coherency, e.g. same view to multiple users
    • Y10S707/99955—Archiving or backup

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Retry When Errors Occur (AREA)
CNB028237064A 2001-11-29 2002-11-15 保存大容量存储系统的所选数据的快照 Expired - Lifetime CN1291320C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/997,643 2001-11-29
US09/997,643 US7296125B2 (en) 2001-11-29 2001-11-29 Preserving a snapshot of selected data of a mass storage system

Publications (2)

Publication Number Publication Date
CN1596400A CN1596400A (zh) 2005-03-16
CN1291320C true CN1291320C (zh) 2006-12-20

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CNB028237064A Expired - Lifetime CN1291320C (zh) 2001-11-29 2002-11-15 保存大容量存储系统的所选数据的快照

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US (2) US7296125B2 (enExample)
EP (1) EP1449088A4 (enExample)
JP (1) JP4181044B2 (enExample)
KR (1) KR100560726B1 (enExample)
CN (1) CN1291320C (enExample)
AU (1) AU2002350221A1 (enExample)
WO (1) WO2003048941A1 (enExample)

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