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WO2009034640A1 - Memory device, basic memory device, extended memory device, and method for starting memory device - Google Patents

Memory device, basic memory device, extended memory device, and method for starting memory device Download PDF

Info

Publication number
WO2009034640A1
WO2009034640A1 PCT/JP2007/067944 JP2007067944W WO2009034640A1 WO 2009034640 A1 WO2009034640 A1 WO 2009034640A1 JP 2007067944 W JP2007067944 W JP 2007067944W WO 2009034640 A1 WO2009034640 A1 WO 2009034640A1
Authority
WO
WIPO (PCT)
Prior art keywords
memory device
chassis
extended
basic
access path
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.)
Ceased
Application number
PCT/JP2007/067944
Other languages
French (fr)
Japanese (ja)
Inventor
Takashi Mizuno
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to PCT/JP2007/067944 priority Critical patent/WO2009034640A1/en
Publication of WO2009034640A1 publication Critical patent/WO2009034640A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/209—Driving; Starting; Stopping; Control thereof in multiple disk arrays, e.g. spindle synchronisation in RAID systems

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)

Abstract

A memory device in which a basic chassis for accepting external access to the data stored on a memory medium and extended chassis for extending add-on memory media managed by the basic chassis are connected via a data access path. In the memory device, a switch chip for forming a data access path for the extended chassis is always activated to enable communication via the data access path even in a standby state. At startup, the basic chassis sends a startup command to an extended chassis via the data access path, and then in turn the extended chassis receiving the startup command starts itself and transfers the startup command to a next-stage extended chassis, thereby starting the overall memory device.
PCT/JP2007/067944 2007-09-14 2007-09-14 Memory device, basic memory device, extended memory device, and method for starting memory device Ceased WO2009034640A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/067944 WO2009034640A1 (en) 2007-09-14 2007-09-14 Memory device, basic memory device, extended memory device, and method for starting memory device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/067944 WO2009034640A1 (en) 2007-09-14 2007-09-14 Memory device, basic memory device, extended memory device, and method for starting memory device

Publications (1)

Publication Number Publication Date
WO2009034640A1 true WO2009034640A1 (en) 2009-03-19

Family

ID=40451664

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/067944 Ceased WO2009034640A1 (en) 2007-09-14 2007-09-14 Memory device, basic memory device, extended memory device, and method for starting memory device

Country Status (1)

Country Link
WO (1) WO2009034640A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011003021A (en) * 2009-06-18 2011-01-06 Fujitsu Ltd Controller
JP2011090577A (en) * 2009-10-23 2011-05-06 Fujitsu Ltd Storage device, storage system and storage device starting method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001135009A (en) * 1999-11-04 2001-05-18 Hitachi Ltd Optical disk apparatus and control method therefor
JP2004039133A (en) * 2002-07-04 2004-02-05 Ricoh Co Ltd Disk drive device
JP2007199891A (en) * 2006-01-25 2007-08-09 Hitachi Ltd Storage system and storage control device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001135009A (en) * 1999-11-04 2001-05-18 Hitachi Ltd Optical disk apparatus and control method therefor
JP2004039133A (en) * 2002-07-04 2004-02-05 Ricoh Co Ltd Disk drive device
JP2007199891A (en) * 2006-01-25 2007-08-09 Hitachi Ltd Storage system and storage control device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011003021A (en) * 2009-06-18 2011-01-06 Fujitsu Ltd Controller
US8738936B2 (en) 2009-06-18 2014-05-27 Fujitsu Limited Storage apparatus
JP2011090577A (en) * 2009-10-23 2011-05-06 Fujitsu Ltd Storage device, storage system and storage device starting method

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