JPS6232448U - - Google Patents
Info
- Publication number
- JPS6232448U JPS6232448U JP12127386U JP12127386U JPS6232448U JP S6232448 U JPS6232448 U JP S6232448U JP 12127386 U JP12127386 U JP 12127386U JP 12127386 U JP12127386 U JP 12127386U JP S6232448 U JPS6232448 U JP S6232448U
- Authority
- JP
- Japan
- Prior art keywords
- external storage
- input
- magnetic disk
- executing
- output command
- 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
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Description
第１図は本考案の適用されるシステムの構成例
を示す図、第２図は本考案の外部記憶制御装置の
構成を示す図である。
１，２は電子計算機処理システム、３は外部記
憶制御装置、４は磁気デイスク装置、５は磁気テ
ープ装置、６，７，８，９，１４はレジスタ、１
３はマイクロプロセツサ、１５はバツフアである
。
FIG. 1 is a diagram showing an example of the configuration of a system to which the present invention is applied, and FIG. 2 is a diagram showing the configuration of an external storage control device of the present invention. 1 and 2 are computer processing systems; 3 is an external storage control device; 4 is a magnetic disk device; 5 is a magnetic tape device; 6, 7, 8, 9, and 14 are registers;
3 is a microprocessor, and 15 is a buffer.
Claims (1)
、外部記憶装置である磁気テープ装置及び磁気デ
イスク装置を制御する機能を有する外部記憶制御
装置であつて、 前記外部記憶装置を制御するマイクロプロセツ
サ１３と、 前記外部記憶装置が入出力命令を実行中である
ことを接続された外部記憶装置毎に記憶するレジ
スタ１４とを備え、 前記マイクロプロセツサは前記電子計算機処理
システムより前記磁気テープ装置が選択された場
合、前記レジスタの内容を参照し、前記磁気デイ
スク装置が入出力命令実行中の記録がある時は、
当該磁気デイスク装置が単独で入出力命令を実行
中で、当該磁気テープ装置に対する入出力命令が
実行可能であつても、電子計算機処理システムに
対して使用中報告を行う機能を有することを特徴
とする外部記憶制御装置。[Claims for Utility Model Registration] An external storage control device that is connected to a computer processing system and has a function of controlling a magnetic tape device and a magnetic disk device that are external storage devices, the external storage device being controlled by the external storage device. a register 14 that stores information indicating that the external storage device is executing an input/output instruction for each connected external storage device; If a magnetic tape device is selected, refer to the contents of the register, and if there is a record that the magnetic disk device is executing an input/output command,
The magnetic disk device is characterized by having a function of reporting that it is in use to the computer processing system even if the magnetic disk device is executing an input/output command by itself and the input/output command to the magnetic tape device can be executed. external storage controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12127386U JPS6232448U (en) | 1986-08-07 | 1986-08-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12127386U JPS6232448U (en) | 1986-08-07 | 1986-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6232448U true JPS6232448U (en) | 1987-02-26 |
Family
ID=31010387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12127386U Pending JPS6232448U (en) | 1986-08-07 | 1986-08-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6232448U (en) |
-
1986
- 1986-08-07 JP JP12127386U patent/JPS6232448U/ja active Pending
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