JP2003296034A - ディスクサブシステムとその制御方法 - Google Patents

ディスクサブシステムとその制御方法

Info

Publication number
JP2003296034A
JP2003296034A JP2002104647A JP2002104647A JP2003296034A JP 2003296034 A JP2003296034 A JP 2003296034A JP 2002104647 A JP2002104647 A JP 2002104647A JP 2002104647 A JP2002104647 A JP 2002104647A JP 2003296034 A JP2003296034 A JP 2003296034A
Authority
JP
Japan
Prior art keywords
disk controller
switch circuit
disk
switch
controller
Prior art date
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.)
Pending
Application number
JP2002104647A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003296034A5 (enExample
Inventor
Dakejiyu Okamoto
岳樹 岡本
Takao Sato
孝夫 佐藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2002104647A priority Critical patent/JP2003296034A/ja
Priority to US10/223,828 priority patent/US20030191890A1/en
Publication of JP2003296034A publication Critical patent/JP2003296034A/ja
Publication of JP2003296034A5 publication Critical patent/JP2003296034A5/ja
Pending legal-status Critical Current

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
    • G06F3/0602—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 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
    • G06F3/061—Improving I/O performance
    • G06F3/0613—Improving I/O performance in relation to throughput
    • 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
    • G06F3/0614—Improving the reliability of storage systems
    • G06F3/0617—Improving the reliability of storage systems in relation to availability
    • 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
    • G06F3/0629—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 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
    • 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
    • G06F12/0866—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches for peripheral storage systems, e.g. disk cache

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
JP2002104647A 2002-04-08 2002-04-08 ディスクサブシステムとその制御方法 Pending JP2003296034A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002104647A JP2003296034A (ja) 2002-04-08 2002-04-08 ディスクサブシステムとその制御方法
US10/223,828 US20030191890A1 (en) 2002-04-08 2002-08-19 Disk subsystem and a method for controlling the disk subsystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002104647A JP2003296034A (ja) 2002-04-08 2002-04-08 ディスクサブシステムとその制御方法

Publications (2)

Publication Number Publication Date
JP2003296034A true JP2003296034A (ja) 2003-10-17
JP2003296034A5 JP2003296034A5 (enExample) 2005-06-09

Family

ID=28672332

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002104647A Pending JP2003296034A (ja) 2002-04-08 2002-04-08 ディスクサブシステムとその制御方法

Country Status (2)

Country Link
US (1) US20030191890A1 (enExample)
JP (1) JP2003296034A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005339216A (ja) * 2004-05-27 2005-12-08 Hitachi Ltd 記憶制御システム

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4439798B2 (ja) * 2002-10-17 2010-03-24 株式会社日立製作所 ディスクアレイ装置の制御方法、及びディスクアレイ装置
JP4379860B2 (ja) 2003-04-08 2009-12-09 株式会社日立製作所 記憶制御装置及びその制御方法
JP2005056200A (ja) * 2003-08-05 2005-03-03 Hitachi Ltd データ管理方法、ディスク記憶装置およびディスク記憶システム
JP4477906B2 (ja) * 2004-03-12 2010-06-09 株式会社日立製作所 ストレージシステム
JP4723290B2 (ja) 2005-06-06 2011-07-13 株式会社日立製作所 ディスクアレイ装置及びその制御方法
US11244727B2 (en) * 2006-11-29 2022-02-08 Rambus Inc. Dynamic memory rank configuration
US10372364B2 (en) * 2016-04-18 2019-08-06 Super Micro Computer, Inc. Storage enclosure with daisy-chained sideband signal routing and distributed logic devices
US11989449B2 (en) 2021-05-06 2024-05-21 EMC IP Holding Company LLC Method for full data reconstruction in a raid system having a protection pool of storage units
US11733922B2 (en) 2021-05-06 2023-08-22 EMC IP Holding Company LLC Method for data reconstruction in a RAID system having a protection pool of storage units
US11748016B2 (en) * 2021-05-06 2023-09-05 EMC IP Holding Company LLC Method for adding disks in a raid system having a protection pool of storage units
US11640343B2 (en) 2021-05-06 2023-05-02 EMC IP Holding Company LLC Method for migrating data in a raid system having a protection pool of storage units

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6338110B1 (en) * 1997-11-14 2002-01-08 Sun Microsystems, Inc. Partitioning of storage channels using programmable switches
US6567890B1 (en) * 1999-06-30 2003-05-20 Emc Corporation Fibre channel port by-pass selector section for dual ported disk drives

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005339216A (ja) * 2004-05-27 2005-12-08 Hitachi Ltd 記憶制御システム

Also Published As

Publication number Publication date
US20030191890A1 (en) 2003-10-09

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