JPS6410358A - Data transfer control system - Google Patents
Data transfer control systemInfo
- Publication number
- JPS6410358A JPS6410358A JP62165328A JP16532887A JPS6410358A JP S6410358 A JPS6410358 A JP S6410358A JP 62165328 A JP62165328 A JP 62165328A JP 16532887 A JP16532887 A JP 16532887A JP S6410358 A JPS6410358 A JP S6410358A
- Authority
- JP
- Japan
- Prior art keywords
- storage section
- management information
- area
- entry
- real data
- 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
Links
Abstract
PURPOSE:To contrive the reduction of a direct access to an external storage section not through an intermediate storage section by increasing the number of management information stored in the intermediate storage section more than the number of real data corresponding to the information stored in said storage section. CONSTITUTION:When a write instruction is given from a central processing section 1, an intermediate storage section 17 is retrieved by a processor 7. When an entry corresponding to the retrieval condition exists, the record management information and the real data corresponding to the entry among the record management information of a 1st storage area 17a and the real data in a 2nd storage area 17b are written in an external storage section 2 by the processor 7. When the corresponding entry does not exist, the external storage section 2 is accessed directly by the central processing section 1. Since the number of management information stored in the area 17a is controlled more than the number of real records stored in an area 17c, the probability of the required management information existing in the area 17a is increased and the number of times of the direct access is decreased.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62165328A JP2718679B2 (en) | 1987-07-03 | 1987-07-03 | Data transfer control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62165328A JP2718679B2 (en) | 1987-07-03 | 1987-07-03 | Data transfer control device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6410358A true JPS6410358A (en) | 1989-01-13 |
JP2718679B2 JP2718679B2 (en) | 1998-02-25 |
Family
ID=15810245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62165328A Expired - Lifetime JP2718679B2 (en) | 1987-07-03 | 1987-07-03 | Data transfer control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2718679B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5841598A (en) * | 1994-10-28 | 1998-11-24 | Olympus Optical Co., Ltd. | Information recording/reproducing apparatus and data processing method |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6122162A (en) * | 1984-07-06 | 1986-01-30 | 松下冷機株式会社 | Outdoor-side heat exchanger for heat pump type air conditioner |
JPS61229141A (en) * | 1985-04-04 | 1986-10-13 | Mitsubishi Electric Corp | System for controlling disk cache device |
JPS6222162A (en) * | 1985-07-23 | 1987-01-30 | Alps Electric Co Ltd | Disk cash control system |
-
1987
- 1987-07-03 JP JP62165328A patent/JP2718679B2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6122162A (en) * | 1984-07-06 | 1986-01-30 | 松下冷機株式会社 | Outdoor-side heat exchanger for heat pump type air conditioner |
JPS61229141A (en) * | 1985-04-04 | 1986-10-13 | Mitsubishi Electric Corp | System for controlling disk cache device |
JPS6222162A (en) * | 1985-07-23 | 1987-01-30 | Alps Electric Co Ltd | Disk cash control system |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5841598A (en) * | 1994-10-28 | 1998-11-24 | Olympus Optical Co., Ltd. | Information recording/reproducing apparatus and data processing method |
Also Published As
Publication number | Publication date |
---|---|
JP2718679B2 (en) | 1998-02-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term | ||
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20071114 Year of fee payment: 10 |