JPS55153058A - Sector file control system - Google Patents

Sector file control system

Info

Publication number
JPS55153058A
JPS55153058A JP5044479A JP5044479A JPS55153058A JP S55153058 A JPS55153058 A JP S55153058A JP 5044479 A JP5044479 A JP 5044479A JP 5044479 A JP5044479 A JP 5044479A JP S55153058 A JPS55153058 A JP S55153058A
Authority
JP
Japan
Prior art keywords
unit
read
file control
write
sector file
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.)
Pending
Application number
JP5044479A
Other versions
JPS5918747B2 (en
Inventor
Akihiko Ito
Harumasa Taniguchi
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP5044479A priority Critical patent/JPS5918747B2/ja
Publication of JPS55153058A publication Critical patent/JPS55153058A/en
Publication of JPS5918747B2 publication Critical patent/JPS5918747B2/ja
Application status is Expired legal-status Critical

Links

Abstract

PURPOSE: To perform read/write processing at a high speed by providing a few unit sector file control units exercising read/write control on an indicated sector unit.
CONSTITUTION: In input-output controller 4, a few (two in this case) unit sector file control units 6-0 and 6-1 are provided. A read/write indication is made by channel processor 3 via unit selecting circuit 7 and according to the indication mentioned above, the unit sector file control units 6-0 and 6-1 exercise read/write control alternately in sequence.
COPYRIGHT: (C)1980,JPO&Japio
JP5044479A 1979-04-24 1979-04-24 Expired JPS5918747B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5044479A JPS5918747B2 (en) 1979-04-24 1979-04-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5044479A JPS5918747B2 (en) 1979-04-24 1979-04-24

Publications (2)

Publication Number Publication Date
JPS55153058A true JPS55153058A (en) 1980-11-28
JPS5918747B2 JPS5918747B2 (en) 1984-04-28

Family

ID=12859023

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5044479A Expired JPS5918747B2 (en) 1979-04-24 1979-04-24

Country Status (1)

Country Link
JP (1) JPS5918747B2 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57203280A (en) * 1981-05-08 1982-12-13 Storage Technology Corp Virtual memory system
JPS60116055A (en) * 1983-11-28 1985-06-22 Hitachi Ltd Data transferring system
JPS61109132A (en) * 1984-11-01 1986-05-27 Oki Electric Ind Co Ltd Access system of aggregate magnetic disk device
JPH0567022A (en) * 1991-09-06 1993-03-19 Hokkaido Nippon Denki Software Kk High speed data access system
USRE36989E (en) * 1979-10-18 2000-12-12 Storage Technology Corporation Virtual storage system and method
US6529996B1 (en) 1997-03-12 2003-03-04 Storage Technology Corporation Network attached virtual tape data storage subsystem
US6658526B2 (en) 1997-03-12 2003-12-02 Storage Technology Corporation Network attached virtual data storage subsystem
US6834324B1 (en) 2000-04-10 2004-12-21 Storage Technology Corporation System and method for virtual tape volumes
US6925525B2 (en) 1998-07-06 2005-08-02 Storage Technology Corporation Data storage management system and method
US7114013B2 (en) 1999-01-15 2006-09-26 Storage Technology Corporation Intelligent data storage manager

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE36989E (en) * 1979-10-18 2000-12-12 Storage Technology Corporation Virtual storage system and method
JPS57203280A (en) * 1981-05-08 1982-12-13 Storage Technology Corp Virtual memory system
JPH0430056B2 (en) * 1981-05-08 1992-05-20
JPS60116055A (en) * 1983-11-28 1985-06-22 Hitachi Ltd Data transferring system
JPS61109132A (en) * 1984-11-01 1986-05-27 Oki Electric Ind Co Ltd Access system of aggregate magnetic disk device
JPH0567022A (en) * 1991-09-06 1993-03-19 Hokkaido Nippon Denki Software Kk High speed data access system
US6529996B1 (en) 1997-03-12 2003-03-04 Storage Technology Corporation Network attached virtual tape data storage subsystem
US6658526B2 (en) 1997-03-12 2003-12-02 Storage Technology Corporation Network attached virtual data storage subsystem
US6925525B2 (en) 1998-07-06 2005-08-02 Storage Technology Corporation Data storage management system and method
US7873781B2 (en) 1998-07-06 2011-01-18 Storage Technology Corporation Data storage management method for selectively controlling reutilization of space in a virtual tape system
US7114013B2 (en) 1999-01-15 2006-09-26 Storage Technology Corporation Intelligent data storage manager
US6834324B1 (en) 2000-04-10 2004-12-21 Storage Technology Corporation System and method for virtual tape volumes

Also Published As

Publication number Publication date
JPS5918747B2 (en) 1984-04-28

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