WO2004021190A3 - Moving data among storage units - Google Patents

Moving data among storage units Download PDF

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Publication number
WO2004021190A3
WO2004021190A3 PCT/GB2003/003551 GB0303551W WO2004021190A3 WO 2004021190 A3 WO2004021190 A3 WO 2004021190A3 GB 0303551 W GB0303551 W GB 0303551W WO 2004021190 A3 WO2004021190 A3 WO 2004021190A3
Authority
WO
WIPO (PCT)
Prior art keywords
storage
pool
storage pool
target
storage unit
Prior art date
Application number
PCT/GB2003/003551
Other languages
French (fr)
Other versions
WO2004021190A2 (en
Inventor
Kevin Lee Gibble
Gregory Tad Kishi
Jonathan Wayne Peake
Original Assignee
Ibm
Ibm Uk
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, Ibm Uk filed Critical Ibm
Priority to CA 2497326 priority Critical patent/CA2497326C/en
Priority to JP2004532263A priority patent/JP4502807B2/en
Priority to EP03790999A priority patent/EP1540455B1/en
Priority to DE2003613783 priority patent/DE60313783T2/en
Priority to AU2003251066A priority patent/AU2003251066A1/en
Publication of WO2004021190A2 publication Critical patent/WO2004021190A2/en
Publication of WO2004021190A3 publication Critical patent/WO2004021190A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/0647—Migration mechanisms
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/0608—Saving storage space on storage systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/0686—Libraries, e.g. tape libraries, jukebox
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/026—Control of operating function, e.g. switching from recording to reproducing by using processor, e.g. microcomputer

Abstract

Storage pool information indicates an assignment of a plurality of storage units to a plurality of storage pools, wherein each pool is assigned zero or more storage units, wherein data associated with one storage pool is stored in a storage unit assigned to the storage pool, wherein the storage pool information for each pool indicates a threshold and target storage pool, and wherein the target storage pool is capable of being different from the storage pool. One storage unit associated with a source storage pool is selected and a determination is made of the threshold from the storage pool information for the source storage pool. A determination is made of whether the selected storage unit satisfies the determined threshold and if the selected storage unit satisfies the determined threshold, then a target storage unit in the target storage pool is selected if the storage pool information for the source storage pool indicates a target storage pool different from the source storage pool. Data from the selected storage unit is copied to the selected target storage unit.
PCT/GB2003/003551 2002-08-29 2003-08-13 Moving data among storage units WO2004021190A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA 2497326 CA2497326C (en) 2002-08-29 2003-08-13 Moving data among storage units
JP2004532263A JP4502807B2 (en) 2002-08-29 2003-08-13 Data movement between storage units
EP03790999A EP1540455B1 (en) 2002-08-29 2003-08-13 Moving data among storage units
DE2003613783 DE60313783T2 (en) 2002-08-29 2003-08-13 MOVING DATA BETWEEN MEMORY UNITS
AU2003251066A AU2003251066A1 (en) 2002-08-29 2003-08-13 Moving data among storage units

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/231,815 US7103731B2 (en) 2002-08-29 2002-08-29 Method, system, and program for moving data among storage units
US10/231,815 2002-08-29

Publications (2)

Publication Number Publication Date
WO2004021190A2 WO2004021190A2 (en) 2004-03-11
WO2004021190A3 true WO2004021190A3 (en) 2004-09-23

Family

ID=31976824

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2003/003551 WO2004021190A2 (en) 2002-08-29 2003-08-13 Moving data among storage units

Country Status (10)

Country Link
US (2) US7103731B2 (en)
EP (1) EP1540455B1 (en)
JP (1) JP4502807B2 (en)
KR (1) KR100633982B1 (en)
CN (1) CN1295591C (en)
AT (1) ATE362132T1 (en)
AU (1) AU2003251066A1 (en)
CA (1) CA2497326C (en)
DE (1) DE60313783T2 (en)
WO (1) WO2004021190A2 (en)

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