JPS5790770A - Data backup system - Google Patents

Data backup system

Info

Publication number
JPS5790770A
JPS5790770A JP55167742A JP16774280A JPS5790770A JP S5790770 A JPS5790770 A JP S5790770A JP 55167742 A JP55167742 A JP 55167742A JP 16774280 A JP16774280 A JP 16774280A JP S5790770 A JPS5790770 A JP S5790770A
Authority
JP
Japan
Prior art keywords
data
job
execution
magnetic disk
changed
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.)
Granted
Application number
JP55167742A
Other languages
English (en)
Japanese (ja)
Other versions
JPS648848B2 (enrdf_load_stackoverflow
Inventor
Minoru Shibamiya
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 JP55167742A priority Critical patent/JPS5790770A/ja
Publication of JPS5790770A publication Critical patent/JPS5790770A/ja
Publication of JPS648848B2 publication Critical patent/JPS648848B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
JP55167742A 1980-11-28 1980-11-28 Data backup system Granted JPS5790770A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55167742A JPS5790770A (en) 1980-11-28 1980-11-28 Data backup system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55167742A JPS5790770A (en) 1980-11-28 1980-11-28 Data backup system

Publications (2)

Publication Number Publication Date
JPS5790770A true JPS5790770A (en) 1982-06-05
JPS648848B2 JPS648848B2 (enrdf_load_stackoverflow) 1989-02-15

Family

ID=15855266

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55167742A Granted JPS5790770A (en) 1980-11-28 1980-11-28 Data backup system

Country Status (1)

Country Link
JP (1) JPS5790770A (enrdf_load_stackoverflow)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59197947A (ja) * 1983-04-25 1984-11-09 Fujitsu Ltd 二重化フアイルの情報更新方式
JPS63140352A (ja) * 1986-12-02 1988-06-11 Nippon Steel Corp オンライン・システムのデ−タ・ベ−ス記憶装置
JPS6468826A (en) * 1987-08-25 1989-03-14 Ibm Data processing system and method for managing data memory
US5321832A (en) * 1989-05-26 1994-06-14 Hitachi, Ltd. System of database copy operations using a virtual page control table to map log data into physical store order
US5410666A (en) * 1989-09-22 1995-04-25 Hitachi, Ltd. On-line dumping system and disk sub system
US5553307A (en) * 1992-04-17 1996-09-03 Hitachi, Ltd. Method and device for transferring noncontiguous blocks in one transfer start by creating bit-map indicating which block is to be transferred
US5555389A (en) * 1993-07-07 1996-09-10 Hitachi, Ltd. Storage controller for performing dump processing
US5706470A (en) * 1995-09-27 1998-01-06 Mitsubishi Denki Kabushiki Kaisha Disk updating log recording system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01110528U (enrdf_load_stackoverflow) * 1988-01-21 1989-07-26

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5432237A (en) * 1977-08-17 1979-03-09 Fujitsu Ltd High speed processing system of hysteresis information
JPS5476044A (en) * 1977-11-30 1979-06-18 Fujitsu Ltd Recovery data correction process system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5432237A (en) * 1977-08-17 1979-03-09 Fujitsu Ltd High speed processing system of hysteresis information
JPS5476044A (en) * 1977-11-30 1979-06-18 Fujitsu Ltd Recovery data correction process system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59197947A (ja) * 1983-04-25 1984-11-09 Fujitsu Ltd 二重化フアイルの情報更新方式
JPS63140352A (ja) * 1986-12-02 1988-06-11 Nippon Steel Corp オンライン・システムのデ−タ・ベ−ス記憶装置
JPS6468826A (en) * 1987-08-25 1989-03-14 Ibm Data processing system and method for managing data memory
US5321832A (en) * 1989-05-26 1994-06-14 Hitachi, Ltd. System of database copy operations using a virtual page control table to map log data into physical store order
US5410666A (en) * 1989-09-22 1995-04-25 Hitachi, Ltd. On-line dumping system and disk sub system
US5606684A (en) * 1989-09-22 1997-02-25 Hitachi, Ltd. On-line dumping system and disk sub-system
US5553307A (en) * 1992-04-17 1996-09-03 Hitachi, Ltd. Method and device for transferring noncontiguous blocks in one transfer start by creating bit-map indicating which block is to be transferred
US5555389A (en) * 1993-07-07 1996-09-10 Hitachi, Ltd. Storage controller for performing dump processing
US5706470A (en) * 1995-09-27 1998-01-06 Mitsubishi Denki Kabushiki Kaisha Disk updating log recording system

Also Published As

Publication number Publication date
JPS648848B2 (enrdf_load_stackoverflow) 1989-02-15

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