JPH046017B2 - - Google Patents

Info

Publication number
JPH046017B2
JPH046017B2 JP57172140A JP17214082A JPH046017B2 JP H046017 B2 JPH046017 B2 JP H046017B2 JP 57172140 A JP57172140 A JP 57172140A JP 17214082 A JP17214082 A JP 17214082A JP H046017 B2 JPH046017 B2 JP H046017B2
Authority
JP
Japan
Prior art keywords
journal
magnetic tape
data
information
data record
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
JP57172140A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5960667A (ja
Inventor
Takashi Sumyoshi
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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP57172140A priority Critical patent/JPS5960667A/ja
Priority to US06/536,875 priority patent/US4652940A/en
Publication of JPS5960667A publication Critical patent/JPS5960667A/ja
Publication of JPH046017B2 publication Critical patent/JPH046017B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/12—Accounting
    • 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
    • G06F11/1441—Resetting or repowering

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Finance (AREA)
  • Accounting & Taxation (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Economics (AREA)
  • Quality & Reliability (AREA)
  • Development Economics (AREA)
  • General Engineering & Computer Science (AREA)
  • Marketing (AREA)
  • Strategic Management (AREA)
  • Technology Law (AREA)
  • General Business, Economics & Management (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
JP57172140A 1982-09-30 1982-09-30 磁気テ−プジヤ−ナルの判別方法 Granted JPS5960667A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57172140A JPS5960667A (ja) 1982-09-30 1982-09-30 磁気テ−プジヤ−ナルの判別方法
US06/536,875 US4652940A (en) 1982-09-30 1983-09-29 Method of identifying magnetic tape as tape for journal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57172140A JPS5960667A (ja) 1982-09-30 1982-09-30 磁気テ−プジヤ−ナルの判別方法

Publications (2)

Publication Number Publication Date
JPS5960667A JPS5960667A (ja) 1984-04-06
JPH046017B2 true JPH046017B2 (US06521211-20030218-C00004.png) 1992-02-04

Family

ID=15936302

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57172140A Granted JPS5960667A (ja) 1982-09-30 1982-09-30 磁気テ−プジヤ−ナルの判別方法

Country Status (2)

Country Link
US (1) US4652940A (US06521211-20030218-C00004.png)
JP (1) JPS5960667A (US06521211-20030218-C00004.png)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5089958A (en) * 1989-01-23 1992-02-18 Vortex Systems, Inc. Fault tolerant computer backup system
JPH02245864A (ja) * 1989-03-20 1990-10-01 Hitachi Ltd 多重プロセッサシステム
US5372507A (en) * 1993-02-11 1994-12-13 Goleh; F. Alexander Machine-aided tutorial method
JP3632213B2 (ja) * 1993-06-30 2005-03-23 ソニー株式会社 信号処理装置
US6181498B1 (en) * 1994-01-20 2001-01-30 Sony Corporation Recording and reproducing apparatus, information signal recording and reproducing system and method of managing invalid area information
US5649152A (en) 1994-10-13 1997-07-15 Vinca Corporation Method and system for providing a static snapshot of data stored on a mass storage system
US5835953A (en) 1994-10-13 1998-11-10 Vinca Corporation Backup system that takes a snapshot of the locations in a mass storage device that has been identified for updating prior to updating
US7725760B2 (en) * 2003-09-23 2010-05-25 Symantec Operating Corporation Data storage system
US7730222B2 (en) * 2004-08-24 2010-06-01 Symantec Operating System Processing storage-related I/O requests using binary tree data structures
US7239581B2 (en) * 2004-08-24 2007-07-03 Symantec Operating Corporation Systems and methods for synchronizing the internal clocks of a plurality of processor modules
US7296008B2 (en) * 2004-08-24 2007-11-13 Symantec Operating Corporation Generation and use of a time map for accessing a prior image of a storage device
US7577807B2 (en) * 2003-09-23 2009-08-18 Symantec Operating Corporation Methods and devices for restoring a portion of a data store
US7287133B2 (en) * 2004-08-24 2007-10-23 Symantec Operating Corporation Systems and methods for providing a modification history for a location within a data store
US7991748B2 (en) * 2003-09-23 2011-08-02 Symantec Corporation Virtual data store creation and use
US7577806B2 (en) * 2003-09-23 2009-08-18 Symantec Operating Corporation Systems and methods for time dependent data storage and recovery
US7631120B2 (en) * 2004-08-24 2009-12-08 Symantec Operating Corporation Methods and apparatus for optimally selecting a storage buffer for the storage of data
US7827362B2 (en) * 2004-08-24 2010-11-02 Symantec Corporation Systems, apparatus, and methods for processing I/O requests
US7409587B2 (en) * 2004-08-24 2008-08-05 Symantec Operating Corporation Recovering from storage transaction failures using checkpoints
US7904428B2 (en) * 2003-09-23 2011-03-08 Symantec Corporation Methods and apparatus for recording write requests directed to a data store
WO2007047346A2 (en) * 2005-10-14 2007-04-26 Symantec Operating Corporation Technique for timeline compression in a data store

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4924535A (US06521211-20030218-C00004.png) * 1972-06-28 1974-03-05
JPS5136920A (ja) * 1974-09-24 1976-03-29 Tokyo Shibaura Electric Co Kosokuhojokiokusochi

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3321747A (en) * 1964-10-02 1967-05-23 Hughes Aircraft Co Memory protection system
US3852571A (en) * 1970-05-18 1974-12-03 Hempstead Bank System of transferral of funds
US3801963A (en) * 1972-09-28 1974-04-02 Burroughs Corp Method and apparatus for transferring data from a volatile data store upon the occurrence of a power failure in a computer
GB1442665A (en) * 1972-12-14 1976-07-14 Siemens Ag Data processing systems
JPS5315792B2 (US06521211-20030218-C00004.png) * 1973-06-28 1978-05-27
FR2261694A5 (US06521211-20030218-C00004.png) * 1973-09-05 1975-09-12 Honeywell Bull Soc Ind
US4355369A (en) * 1975-07-30 1982-10-19 Docutel Corporation Automatic banking machine
US4306299A (en) * 1976-06-10 1981-12-15 Pitney-Bowes, Inc. Postage meter having means transferring data from a working memory to a non-volatile memory under low power conditions
GB1545169A (en) * 1977-09-22 1979-05-02 Burroughs Corp Data processor system including data-save controller for protection against loss of volatile memory information during power failure
US4316248A (en) * 1978-12-06 1982-02-16 Data General Corporation Memory refresh means including means for providing refresh addresses during power failures
JPS5637883A (en) * 1979-09-04 1981-04-11 Fanuc Ltd Information rewrite system
US4404649A (en) * 1980-11-03 1983-09-13 Recognition Equipment Incorporated Document processing system
US4523295A (en) * 1982-09-07 1985-06-11 Zenith Electronics Corporation Power loss compensation for programmable memory control system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4924535A (US06521211-20030218-C00004.png) * 1972-06-28 1974-03-05
JPS5136920A (ja) * 1974-09-24 1976-03-29 Tokyo Shibaura Electric Co Kosokuhojokiokusochi

Also Published As

Publication number Publication date
JPS5960667A (ja) 1984-04-06
US4652940A (en) 1987-03-24

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