GB2408843B - Disk array device for idle seek - Google Patents

Disk array device for idle seek

Info

Publication number
GB2408843B
GB2408843B GB0501949A GB0501949A GB2408843B GB 2408843 B GB2408843 B GB 2408843B GB 0501949 A GB0501949 A GB 0501949A GB 0501949 A GB0501949 A GB 0501949A GB 2408843 B GB2408843 B GB 2408843B
Authority
GB
United Kingdom
Prior art keywords
disk array
array device
idle seek
seek
idle
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.)
Expired - Fee Related
Application number
GB0501949A
Other versions
GB0501949D0 (en
GB2408843A (en
Inventor
Naoki Higashijima
Seiki Morita
Ikuya Yagisawa
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
Priority claimed from JP2003393643A external-priority patent/JP2005157622A/en
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB0501949D0 publication Critical patent/GB0501949D0/en
Publication of GB2408843A publication Critical patent/GB2408843A/en
Application granted granted Critical
Publication of GB2408843B publication Critical patent/GB2408843B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
    • G06F3/0659—Command handling arrangements, e.g. command buffers, queues, command scheduling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1076—Parity data used in redundant arrays of independent storages, e.g. in RAID systems
    • G06F11/1088—Reconstruction on already foreseen single or plurality of spare disks
    • 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
    • G06F3/061—Improving I/O performance
    • G06F3/0611—Improving I/O performance in relation to response time
    • 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
    • G06F3/0689—Disk arrays, e.g. RAID, JBOD

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)
  • Signal Processing For Digital Recording And Reproducing (AREA)
GB0501949A 2003-11-25 2004-06-24 Disk array device for idle seek Expired - Fee Related GB2408843B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003393643A JP2005157622A (en) 2003-11-25 2003-11-25 Disk array device for idle seek
GB0414190A GB2408840B (en) 2003-11-25 2004-06-24 Disk array device for idle seek

Publications (3)

Publication Number Publication Date
GB0501949D0 GB0501949D0 (en) 2005-03-09
GB2408843A GB2408843A (en) 2005-06-08
GB2408843B true GB2408843B (en) 2005-10-26

Family

ID=34575767

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0501949A Expired - Fee Related GB2408843B (en) 2003-11-25 2004-06-24 Disk array device for idle seek

Country Status (1)

Country Link
GB (1) GB2408843B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0376078A (en) * 1989-08-17 1991-04-02 Nec Corp Magnetic disk device
US20020135922A1 (en) * 2001-03-21 2002-09-26 International Business Machines Corporation Adaptive actuator radial positioning to extend magnetic disk drive longevity
US20020171966A1 (en) * 2001-05-16 2002-11-21 International Business Machines Corporation Power savings method and apparatus for disk drives

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0376078A (en) * 1989-08-17 1991-04-02 Nec Corp Magnetic disk device
US20020135922A1 (en) * 2001-03-21 2002-09-26 International Business Machines Corporation Adaptive actuator radial positioning to extend magnetic disk drive longevity
US20020171966A1 (en) * 2001-05-16 2002-11-21 International Business Machines Corporation Power savings method and apparatus for disk drives

Also Published As

Publication number Publication date
GB0501949D0 (en) 2005-03-09
GB2408843A (en) 2005-06-08

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20130919 AND 20130925

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20160624