DE3069673D1 - Method of rewriting data in a magnetic bubble memory having a major-minor loop organisation - Google Patents

Method of rewriting data in a magnetic bubble memory having a major-minor loop organisation

Info

Publication number
DE3069673D1
DE3069673D1 DE8080303062T DE3069673T DE3069673D1 DE 3069673 D1 DE3069673 D1 DE 3069673D1 DE 8080303062 T DE8080303062 T DE 8080303062T DE 3069673 T DE3069673 T DE 3069673T DE 3069673 D1 DE3069673 D1 DE 3069673D1
Authority
DE
Germany
Prior art keywords
data
memory
volatile memory
storage area
rewriting
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
Application number
DE8080303062T
Other languages
English (en)
Inventor
Ryoji Imazeki
Michiya Inoue
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.)
Fanuc Corp
Original Assignee
Fanuc Corp
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 Fanuc Corp filed Critical Fanuc Corp
Application granted granted Critical
Publication of DE3069673D1 publication Critical patent/DE3069673D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/0875—Organisation of a plurality of magnetic shift registers
    • 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
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1415—Saving, restoring, recovering or retrying at system level
    • G06F11/1435—Saving, restoring, recovering or retrying at system level using file system or storage system metadata
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C14/00—Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Library & Information Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Read Only Memory (AREA)
DE8080303062T 1979-09-04 1980-09-03 Method of rewriting data in a magnetic bubble memory having a major-minor loop organisation Expired DE3069673D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11325679A JPS5637883A (en) 1979-09-04 1979-09-04 Information rewrite system

Publications (1)

Publication Number Publication Date
DE3069673D1 true DE3069673D1 (en) 1985-01-03

Family

ID=14607532

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080303062T Expired DE3069673D1 (en) 1979-09-04 1980-09-03 Method of rewriting data in a magnetic bubble memory having a major-minor loop organisation

Country Status (4)

Country Link
US (1) US4517663A (de)
EP (1) EP0026980B1 (de)
JP (1) JPS5637883A (de)
DE (1) DE3069673D1 (de)

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JPS6022438B2 (ja) * 1980-05-06 1985-06-01 松下電器産業株式会社 不揮発性メモリのリフレッシュ方式
DE3123444A1 (de) * 1981-06-12 1983-01-05 Siemens AG, 1000 Berlin und 8000 München Verfahren und anordnung zum nichtfluechtigen speichern des zaehlerstandes einer elektronischen zaehlschaltung
JPS5960667A (ja) * 1982-09-30 1984-04-06 Hitachi Ltd 磁気テ−プジヤ−ナルの判別方法
US4612640A (en) * 1984-02-21 1986-09-16 Seeq Technology, Inc. Error checking and correction circuitry for use with an electrically-programmable and electrically-erasable memory array
US4759020A (en) * 1985-09-25 1988-07-19 Unisys Corporation Self-healing bubble memories
US5283907A (en) * 1986-05-20 1994-02-01 Robert Bosch Gmbh Process for safeguarding transfer of data from a temporary part into a main part of a non-volatile memory
DE3616895A1 (de) * 1986-05-20 1987-11-26 Bosch Gmbh Robert Verfahren zum abspeichern von daten
JPS63223993A (ja) * 1987-03-13 1988-09-19 Toshiba Corp 携帯可能電子装置
US4974167A (en) * 1989-02-28 1990-11-27 Tektronix, Inc. Erasable data acquisition and storage instrument
EP0405859B1 (de) * 1989-06-30 1997-09-17 Digital Equipment Corporation Verfahren und Anordnung zur Steuerung von Schattenspeichern
US5210865A (en) * 1989-06-30 1993-05-11 Digital Equipment Corporation Transferring data between storage media while maintaining host processor access for I/O operations
US5247618A (en) * 1989-06-30 1993-09-21 Digital Equipment Corporation Transferring data in a digital data processing system
US5239637A (en) * 1989-06-30 1993-08-24 Digital Equipment Corporation Digital data management system for maintaining consistency of data in a shadow set
US5375128A (en) * 1990-10-18 1994-12-20 Ibm Corporation (International Business Machines Corporation) Fast updating of DASD arrays using selective shadow writing of parity and data blocks, tracks, or cylinders
JP2710890B2 (ja) * 1991-11-13 1998-02-10 三田工業株式会社 メモリ指定制御装置
GB9307623D0 (en) * 1993-04-13 1993-06-02 Jonhig Ltd Data writing to eeprom
JP3017002B2 (ja) * 1993-12-03 2000-03-06 シャープ株式会社 ディジタル画像形成装置
JP3308386B2 (ja) * 1994-04-25 2002-07-29 ファナック株式会社 制御システム
DE69621214T2 (de) * 1996-01-31 2002-12-05 Kabushiki Kaisha Toshiba, Kawasaki Ein-Ausgabekontrollverfahren mit Wiederherstellungsfunktion
FR2768256B1 (fr) * 1997-09-10 2001-01-19 Inside Technologies Procede d'enregistrement d'un mot binaire au moyen de cellules memoire du type programmable et effacable electriquement
DE19931184A1 (de) * 1999-07-07 2001-01-11 Bosch Gmbh Robert Verfahren und Vorrichtung zur Veränderung des Speicherinhalts von Steuergeräten
US7346831B1 (en) 2001-11-13 2008-03-18 Network Appliance, Inc. Parity assignment technique for parity declustering in a parity array of a storage system
US6851082B1 (en) 2001-11-13 2005-02-01 Network Appliance, Inc. Concentrated parity technique for handling double failures and enabling storage of more than one parity block per stripe on a storage device of a storage array
US8402346B2 (en) * 2001-12-28 2013-03-19 Netapp, Inc. N-way parity technique for enabling recovery from up to N storage device failures
US7073115B2 (en) * 2001-12-28 2006-07-04 Network Appliance, Inc. Correcting multiple block data loss in a storage array using a combination of a single diagonal parity group and multiple row parity groups
US7640484B2 (en) 2001-12-28 2009-12-29 Netapp, Inc. Triple parity technique for enabling efficient recovery from triple failures in a storage array
US6993701B2 (en) 2001-12-28 2006-01-31 Network Appliance, Inc. Row-diagonal parity technique for enabling efficient recovery from double failures in a storage array
US7613984B2 (en) * 2001-12-28 2009-11-03 Netapp, Inc. System and method for symmetric triple parity for failing storage devices
US7080278B1 (en) 2002-03-08 2006-07-18 Network Appliance, Inc. Technique for correcting multiple storage device failures in a storage array
US7200715B2 (en) * 2002-03-21 2007-04-03 Network Appliance, Inc. Method for writing contiguous arrays of stripes in a RAID storage system using mapped block writes
US7254813B2 (en) * 2002-03-21 2007-08-07 Network Appliance, Inc. Method and apparatus for resource allocation in a raid system
US7437727B2 (en) * 2002-03-21 2008-10-14 Network Appliance, Inc. Method and apparatus for runtime resource deadlock avoidance in a raid system
US7539991B2 (en) 2002-03-21 2009-05-26 Netapp, Inc. Method and apparatus for decomposing I/O tasks in a raid system
US6976146B1 (en) 2002-05-21 2005-12-13 Network Appliance, Inc. System and method for emulating block appended checksums on storage devices by sector stealing
US7185144B2 (en) * 2003-11-24 2007-02-27 Network Appliance, Inc. Semi-static distribution technique
US7143235B1 (en) 2003-03-21 2006-11-28 Network Appliance, Inc. Proposed configuration management behaviors in a raid subsystem
US7111147B1 (en) * 2003-03-21 2006-09-19 Network Appliance, Inc. Location-independent RAID group virtual block management
US7664913B2 (en) * 2003-03-21 2010-02-16 Netapp, Inc. Query-based spares management technique
US7424637B1 (en) 2003-03-21 2008-09-09 Networks Appliance, Inc. Technique for managing addition of disks to a volume of a storage system
US7328364B1 (en) 2003-03-21 2008-02-05 Network Appliance, Inc. Technique for coherent suspension of I/O operations in a RAID subsystem
US7275179B1 (en) 2003-04-24 2007-09-25 Network Appliance, Inc. System and method for reducing unrecoverable media errors in a disk subsystem
US7810088B2 (en) * 2003-06-20 2010-10-05 Samsung Electronics Co., Ltd. Apparatus and method for performing a fail-safe over-the-air software update in a mobile station
US7328305B2 (en) 2003-11-03 2008-02-05 Network Appliance, Inc. Dynamic parity distribution technique
US7366837B2 (en) * 2003-11-24 2008-04-29 Network Appliance, Inc. Data placement technique for striping data containers across volumes of a storage system cluster
US7647451B1 (en) 2003-11-24 2010-01-12 Netapp, Inc. Data placement technique for striping data containers across volumes of a storage system cluster
US7263629B2 (en) * 2003-11-24 2007-08-28 Network Appliance, Inc. Uniform and symmetric double failure correcting technique for protecting against two disk failures in a disk array
US20060075281A1 (en) * 2004-09-27 2006-04-06 Kimmel Jeffrey S Use of application-level context information to detect corrupted data in a storage system
US7398460B1 (en) 2005-01-31 2008-07-08 Network Appliance, Inc. Technique for efficiently organizing and distributing parity blocks among storage devices of a storage array
US8560503B1 (en) 2006-01-26 2013-10-15 Netapp, Inc. Content addressable storage system
US7822921B2 (en) 2006-10-31 2010-10-26 Netapp, Inc. System and method for optimizing write operations in storage systems
US7613947B1 (en) 2006-11-30 2009-11-03 Netapp, Inc. System and method for storage takeover
US7647526B1 (en) 2006-12-06 2010-01-12 Netapp, Inc. Reducing reconstruct input/output operations in storage systems
US8312214B1 (en) 2007-03-28 2012-11-13 Netapp, Inc. System and method for pausing disk drives in an aggregate
US8209587B1 (en) 2007-04-12 2012-06-26 Netapp, Inc. System and method for eliminating zeroing of disk drives in RAID arrays
US8898536B2 (en) * 2007-04-27 2014-11-25 Netapp, Inc. Multi-core engine for detecting bit errors
US7840837B2 (en) * 2007-04-27 2010-11-23 Netapp, Inc. System and method for protecting memory during system initialization
US7836331B1 (en) 2007-05-15 2010-11-16 Netapp, Inc. System and method for protecting the contents of memory during error conditions
US7975102B1 (en) 2007-08-06 2011-07-05 Netapp, Inc. Technique to avoid cascaded hot spotting
US7984259B1 (en) 2007-12-17 2011-07-19 Netapp, Inc. Reducing load imbalance in a storage system
US9158579B1 (en) 2008-11-10 2015-10-13 Netapp, Inc. System having operation queues corresponding to operation execution time
US8495417B2 (en) * 2009-01-09 2013-07-23 Netapp, Inc. System and method for redundancy-protected aggregates
US11016848B2 (en) 2017-11-02 2021-05-25 Seagate Technology Llc Distributed data storage system with initialization-less parity

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JPS5494850A (en) * 1978-01-11 1979-07-26 Nissan Motor Arithmetic processor
US4218764A (en) * 1978-10-03 1980-08-19 Matsushita Electric Industrial Co., Ltd. Non-volatile memory refresh control circuit

Also Published As

Publication number Publication date
US4517663A (en) 1985-05-14
JPS5637883A (en) 1981-04-11
EP0026980A1 (de) 1981-04-15
JPS6353636B2 (de) 1988-10-25
EP0026980B1 (de) 1984-11-21

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: FANUC LTD., OSHINO, MINAMITSURU, YAMANASHI, JP

8339 Ceased/non-payment of the annual fee