CA1222062A - Method for protecting volatile primary store in a staged storage system by circularly journaling updates into finite nonvolatile local memory - Google Patents

Method for protecting volatile primary store in a staged storage system by circularly journaling updates into finite nonvolatile local memory

Info

Publication number
CA1222062A
CA1222062A CA000473701A CA473701A CA1222062A CA 1222062 A CA1222062 A CA 1222062A CA 000473701 A CA000473701 A CA 000473701A CA 473701 A CA473701 A CA 473701A CA 1222062 A CA1222062 A CA 1222062A
Authority
CA
Canada
Prior art keywords
journal
records
primary store
record
written
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
CA000473701A
Other languages
English (en)
French (fr)
Inventor
Michael D. Canon
Malcolm C. Easton
John H. 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 CA1222062A publication Critical patent/CA1222062A/en
Expired 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)
CA000473701A 1984-03-27 1985-02-06 Method for protecting volatile primary store in a staged storage system by circularly journaling updates into finite nonvolatile local memory Expired CA1222062A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US59374784A 1984-03-27 1984-03-27
US593,747 1984-03-27

Publications (1)

Publication Number Publication Date
CA1222062A true CA1222062A (en) 1987-05-19

Family

ID=24375982

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000473701A Expired CA1222062A (en) 1984-03-27 1985-02-06 Method for protecting volatile primary store in a staged storage system by circularly journaling updates into finite nonvolatile local memory

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
JPS60207943A (ja) 1985-10-19
EP0156179B1 (en) 1991-07-03
JPS6326417B2 (OSRAM) 1988-05-30
EP0156179A2 (en) 1985-10-02
DE3583349D1 (de) 1991-08-08
EP0156179A3 (en) 1988-10-05

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Legal Events

Date Code Title Description
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