DE3583349D1 - Schutzverfahren fuer einen fluechtigen primaerspeicher in einem gestuften speichersystem. - Google Patents

Schutzverfahren fuer einen fluechtigen primaerspeicher in einem gestuften speichersystem.

Info

Publication number
DE3583349D1
DE3583349D1 DE8585102207T DE3583349T DE3583349D1 DE 3583349 D1 DE3583349 D1 DE 3583349D1 DE 8585102207 T DE8585102207 T DE 8585102207T DE 3583349 T DE3583349 T DE 3583349T DE 3583349 D1 DE3583349 D1 DE 3583349D1
Authority
DE
Germany
Prior art keywords
protection method
storage system
volatile primary
stage
primary storage
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 - Lifetime
Application number
DE8585102207T
Other languages
German (de)
English (en)
Inventor
Michael Dennis Canon
Malcolm Coleman Easton
John Hayes Howard
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3583349D1 publication Critical patent/DE3583349D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1666—Error detection or correction of the data by redundancy in hardware where the redundant component is memory or memory area
    • 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
    • G06F12/0804—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches with main memory updating
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Debugging And Monitoring (AREA)
DE8585102207T 1984-03-27 1985-02-28 Schutzverfahren fuer einen fluechtigen primaerspeicher in einem gestuften speichersystem. Expired - Lifetime DE3583349D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59374784A 1984-03-27 1984-03-27

Publications (1)

Publication Number Publication Date
DE3583349D1 true DE3583349D1 (de) 1991-08-08

Family

ID=24375982

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585102207T Expired - Lifetime DE3583349D1 (de) 1984-03-27 1985-02-28 Schutzverfahren fuer einen fluechtigen primaerspeicher in einem gestuften speichersystem.

Country Status (4)

Country Link
EP (1) EP0156179B1 (OSRAM)
JP (1) JPS60207943A (OSRAM)
CA (1) CA1222062A (OSRAM)
DE (1) DE3583349D1 (OSRAM)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3853503T2 (de) * 1987-08-20 1995-09-28 Ibm Verfahren und Vorrichtung zur Instandhaltung von Duplexpaarverteilten Geräten mittels einer Doppelkopiefunktion.
US5051887A (en) * 1987-08-25 1991-09-24 International Business Machines Corporation Maintaining duplex-paired storage devices during gap processing using of a dual copy function
JPH0664838B2 (ja) * 1988-09-02 1994-08-22 松下電器産業株式会社 光デイスクファイル装置
US4959768A (en) * 1989-01-23 1990-09-25 Honeywell Inc. Apparatus for tracking predetermined data for updating a secondary data base
DE69031965T2 (de) * 1989-08-17 1998-04-30 Fujitsu Ltd System zum Durchgang von Hilfsmittelinformation
FR2656441B1 (fr) * 1989-12-22 1993-12-10 Bull Sa Procede securise d'ecriture rapide d'informations pour dispositif de memoire de masse.
US5269009A (en) * 1990-09-04 1993-12-07 International Business Machines Corporation Processor system with improved memory transfer means
US5283884A (en) * 1991-12-30 1994-02-01 International Business Machines Corporation CKD channel with predictive track table
US5437022A (en) * 1992-12-17 1995-07-25 International Business Machines Corporation Storage controller having additional cache memory and a means for recovering from failure and reconfiguring a control unit thereof in response thereto
US5590274A (en) * 1995-01-23 1996-12-31 Tandem Computers Incorporated Multi-volume audit trails for fault tolerant computers
US20100174676A1 (en) * 2009-01-06 2010-07-08 International Business Machines Corporation Determining modified data in cache for use during a recovery operation
US10229047B2 (en) * 2016-08-06 2019-03-12 Wolley Inc. Apparatus and method of wear leveling for storage class memory using cache filtering

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4084231A (en) * 1975-12-18 1978-04-11 International Business Machines Corporation System for facilitating the copying back of data in disc and tape units of a memory hierarchial system

Also Published As

Publication number Publication date
CA1222062A (en) 1987-05-19
JPS60207943A (ja) 1985-10-19
EP0156179B1 (en) 1991-07-03
JPS6326417B2 (OSRAM) 1988-05-30
EP0156179A2 (en) 1985-10-02
EP0156179A3 (en) 1988-10-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee