ATE523845T1 - Verfahren zur optimierung der reinigung von maps in flashcopy-kaskaden, die inkrementelle maps enthalten - Google Patents

Verfahren zur optimierung der reinigung von maps in flashcopy-kaskaden, die inkrementelle maps enthalten

Info

Publication number
ATE523845T1
ATE523845T1 AT09736887T AT09736887T ATE523845T1 AT E523845 T1 ATE523845 T1 AT E523845T1 AT 09736887 T AT09736887 T AT 09736887T AT 09736887 T AT09736887 T AT 09736887T AT E523845 T1 ATE523845 T1 AT E523845T1
Authority
AT
Austria
Prior art keywords
disk
maps
data
downstream
target
Prior art date
Application number
AT09736887T
Other languages
English (en)
Inventor
John Agombar
Christopher Beeken
Carlos Fuente
William Scales
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of ATE523845T1 publication Critical patent/ATE523845T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
    • G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
    • G06F3/065—Replication mechanisms
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • 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 operations
    • 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
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
    • G06F3/0604—Improving or facilitating administration, e.g. storage management
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
    • G06F3/0671—In-line storage system
    • G06F3/0683—Plurality of storage devices
    • G06F3/0689—Disk arrays, e.g. RAID, JBOD
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Software Systems (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
AT09736887T 2008-10-08 2009-10-07 Verfahren zur optimierung der reinigung von maps in flashcopy-kaskaden, die inkrementelle maps enthalten ATE523845T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/247,642 US8230185B2 (en) 2008-10-08 2008-10-08 Method for optimizing cleaning of maps in FlashCopy cascades containing incremental maps
PCT/EP2009/063010 WO2010040768A2 (en) 2008-10-08 2009-10-07 Method for optimizing cleaning of maps in flashcopy cascades containing incremental maps

Publications (1)

Publication Number Publication Date
ATE523845T1 true ATE523845T1 (de) 2011-09-15

Family

ID=41339738

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09736887T ATE523845T1 (de) 2008-10-08 2009-10-07 Verfahren zur optimierung der reinigung von maps in flashcopy-kaskaden, die inkrementelle maps enthalten

Country Status (7)

Country Link
US (3) US8230185B2 (de)
EP (1) EP2288975B1 (de)
JP (1) JP4932063B2 (de)
KR (1) KR101539813B1 (de)
CN (1) CN102177505B (de)
AT (1) ATE523845T1 (de)
WO (1) WO2010040768A2 (de)

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US9075723B2 (en) * 2011-06-17 2015-07-07 International Business Machines Corporation Efficient discard scans
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US9063883B2 (en) * 2011-09-26 2015-06-23 International Business Machines Corporation Management of point-in-time copy relationship for extent space efficient volumes
US8719523B2 (en) * 2011-10-03 2014-05-06 International Business Machines Corporation Maintaining multiple target copies
US9037819B2 (en) 2012-06-25 2015-05-19 Inernational Business Machines Corporation Source cleaning cascaded volumes using reference counts
US9047233B2 (en) 2012-06-25 2015-06-02 International Business Machines Corporation Source cleaning cascaded volumes using write and background copy indicators
JP5963324B2 (ja) 2014-08-11 2016-08-03 インターナショナル・ビジネス・マシーンズ・コーポレーションＩｎｔｅｒｎａｔｉｏｎａｌ Ｂｕｓｉｎｅｓｓ Ｍａｃｈｉｎｅｓ Ｃｏｒｐｏｒａｔｉｏｎ 仮想シーケンシャルアクセスボリュームのデータのコピー方法、システム
US9652163B2 (en) 2015-05-03 2017-05-16 International Business Machines Corporation Coordinated space reclamation in space-efficient flashcopy volumes
US9760449B2 (en) 2015-09-16 2017-09-12 International Business Machines Corporation Restoring a point-in-time copy
US9760450B2 (en) 2015-09-16 2017-09-12 International Business Machines Corporation Restoring a clone point-in-time copy
US9747171B2 (en) 2015-09-16 2017-08-29 International Business Machines Corporation Point-in-time copy restore
US10146683B2 (en) 2016-01-18 2018-12-04 International Business Machines Corporation Space reclamation in space-efficient secondary volumes
US10114551B2 (en) 2016-01-18 2018-10-30 International Business Machines Corporation Space reclamation in asynchronously mirrored space-efficient secondary volumes
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US10572184B2 (en) 2018-01-11 2020-02-25 International Business Machines Corporation Garbage collection in data storage systems

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Also Published As

Publication number Publication date
KR20110070992A (ko) 2011-06-27
US8688937B2 (en) 2014-04-01
CN102177505B (zh) 2014-04-16
US8990529B2 (en) 2015-03-24
CN102177505A (zh) 2011-09-07
WO2010040768A3 (en) 2010-07-08
WO2010040768A2 (en) 2010-04-15
US20120246426A1 (en) 2012-09-27
KR101539813B1 (ko) 2015-08-06
US8230185B2 (en) 2012-07-24
JP2012503240A (ja) 2012-02-02
EP2288975A2 (de) 2011-03-02
US20100088468A1 (en) 2010-04-08
JP4932063B2 (ja) 2012-05-16
US20140189233A1 (en) 2014-07-03
EP2288975B1 (de) 2011-09-07

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