DE102004013125A1 - Speichersystem und Speichersteuerung - Google Patents

Speichersystem und Speichersteuerung Download PDF

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Publication number
DE102004013125A1
DE102004013125A1 DE102004013125A DE102004013125A DE102004013125A1 DE 102004013125 A1 DE102004013125 A1 DE 102004013125A1 DE 102004013125 A DE102004013125 A DE 102004013125A DE 102004013125 A DE102004013125 A DE 102004013125A DE 102004013125 A1 DE102004013125 A1 DE 102004013125A1
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Germany
Prior art keywords
storage resource
virtual
memory
ldev
functions
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Legal status (The legal status 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 status listed.)
Ceased
Application number
DE102004013125A
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English (en)
Inventor
Keishi Tamura
Shinichi Nakayama
Katsuhiro Uchiumi
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Hitachi Ltd
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Hitachi Ltd
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Publication of DE102004013125A1 publication Critical patent/DE102004013125A1/de
Ceased legal-status Critical Current

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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
    • G06F3/0662—Virtualisation aspects
    • G06F3/0664—Virtualisation aspects at device level, e.g. emulation of a storage device or system
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0806—Multiuser, multiprocessor or multiprocessing cache systems
    • G06F12/0815—Cache consistency protocols
    • G06F12/0817—Cache consistency protocols using directory methods
    • G06F12/0824—Distributed directories, e.g. linked lists of caches
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G06F12/1009—Address translation using page tables, e.g. page table structures
    • 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
    • G06F3/0604—Improving or facilitating administration, e.g. storage management
    • G06F3/0607—Improving or facilitating administration, e.g. storage management by facilitating the process of upgrading existing storage systems, e.g. for improving compatibility between host and storage device
    • 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
    • G06F3/0629—Configuration or reconfiguration of storage systems
    • G06F3/0635—Configuration or reconfiguration of storage systems by changing the path, e.g. traffic rerouting, path reconfiguration
    • 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
    • G06F3/067—Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

Durch das visuelle Festlegen einer externen Speicherressource als interne Speicherressource lassen sich Speicherressourcen wirkungsvoll verwenden. DOLLAR A Eine erste Speichersteuerung weist eine Speicherhierarchie mit mehreren Ebenen auf, die durch eine LDEV (logische Einrichtung), die mit einer LUN verbunden ist, und eine VDEV (virtuelle Einrichtung) gebildet wird, die mit der unteren Ordnung der LDEV verbunden ist. Wenigstens eine der VDEVs wird durch Abbilden der Speicherressourcen gebildet, die sich in externen Speichersteuerungen befinden. Die Funktionen des Stripings, RAID etc. können bei der Abbildung hinzugefügt werden. Es können in einem virtuellen internen Volumen auch dadurch verschiedene Arten von Funktionen (Fernkopie, variable Volumenfunktion usw.), die auf das normale interne Volumen anwendbar sind, verwendet werden, daß die externe Speicherressource als virtuelle interne Speicherressource verwendet wird, so daß der Grad der Freiheit bei der Verwendung erhöht ist.
DE102004013125A 2003-09-29 2004-03-17 Speichersystem und Speichersteuerung Ceased DE102004013125A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003337239A JP4307202B2 (ja) 2003-09-29 2003-09-29 記憶システム及び記憶制御装置

Publications (1)

Publication Number Publication Date
DE102004013125A1 true DE102004013125A1 (de) 2005-05-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE102004013125A Ceased DE102004013125A1 (de) 2003-09-29 2004-03-17 Speichersystem und Speichersteuerung

Country Status (6)

Country Link
US (2) US7441095B2 (de)
JP (1) JP4307202B2 (de)
CN (2) CN100578436C (de)
DE (1) DE102004013125A1 (de)
FR (2) FR2860312B1 (de)
GB (1) GB2406406B (de)

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US7441095B2 (en) 2008-10-21
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