JPS627572B2 - - Google Patents

Info

Publication number
JPS627572B2
JPS627572B2 JP54021887A JP2188779A JPS627572B2 JP S627572 B2 JPS627572 B2 JP S627572B2 JP 54021887 A JP54021887 A JP 54021887A JP 2188779 A JP2188779 A JP 2188779A JP S627572 B2 JPS627572 B2 JP S627572B2
Authority
JP
Japan
Prior art keywords
data
input
write
control unit
writing
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
JP54021887A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55115121A (en
Inventor
Masanori Mizuta
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.)
NEC Corp
Original Assignee
Nippon Electric Co 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP2188779A priority Critical patent/JPS55115121A/ja
Publication of JPS55115121A publication Critical patent/JPS55115121A/ja
Publication of JPS627572B2 publication Critical patent/JPS627572B2/ja
Granted legal-status Critical Current

Links

JP2188779A 1979-02-28 1979-02-28 Input and output control unit possible for duplicated recording Granted JPS55115121A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2188779A JPS55115121A (en) 1979-02-28 1979-02-28 Input and output control unit possible for duplicated recording

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2188779A JPS55115121A (en) 1979-02-28 1979-02-28 Input and output control unit possible for duplicated recording

Publications (2)

Publication Number Publication Date
JPS55115121A JPS55115121A (en) 1980-09-04
JPS627572B2 true JPS627572B2 (hu) 1987-02-18

Family

ID=12067610

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2188779A Granted JPS55115121A (en) 1979-02-28 1979-02-28 Input and output control unit possible for duplicated recording

Country Status (1)

Country Link
JP (1) JPS55115121A (hu)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4819154A (en) * 1982-12-09 1989-04-04 Sequoia Systems, Inc. Memory back up system with one cache memory and two physically separated main memories
JPS59177666A (ja) * 1983-03-28 1984-10-08 Toshiba Corp ２重化バルク制御装置
US4823261A (en) * 1986-11-24 1989-04-18 International Business Machines Corp. Multiprocessor system for updating status information through flip-flopping read version and write version of checkpoint data
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
EP0764302B1 (en) * 1994-06-10 1998-12-02 Texas Micro Inc. Main memory system and checkpointing protocol for fault-tolerant computer system
US5737514A (en) * 1995-11-29 1998-04-07 Texas Micro, Inc. Remote checkpoint memory system and protocol for fault-tolerant computer system
US5745672A (en) * 1995-11-29 1998-04-28 Texas Micro, Inc. Main memory system and checkpointing protocol for a fault-tolerant computer system using a read buffer
US5864657A (en) * 1995-11-29 1999-01-26 Texas Micro, Inc. Main memory system and checkpointing protocol for fault-tolerant computer system
US5751939A (en) * 1995-11-29 1998-05-12 Texas Micro, Inc. Main memory system and checkpointing protocol for fault-tolerant computer system using an exclusive-or memory
JP2000099277A (ja) * 1998-09-18 2000-04-07 Fujitsu Ltd ファイルユニット間のリモート転送方法
JP2001195202A (ja) * 2000-01-14 2001-07-19 Nec Corp 二重化記憶装置および二重化記憶方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4944063A (hu) * 1972-09-04 1974-04-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4944063A (hu) * 1972-09-04 1974-04-25

Also Published As

Publication number Publication date
JPS55115121A (en) 1980-09-04

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