JPH0227234U - - Google Patents
Info
- Publication number
- JPH0227234U JPH0227234U JP10441588U JP10441588U JPH0227234U JP H0227234 U JPH0227234 U JP H0227234U JP 10441588 U JP10441588 U JP 10441588U JP 10441588 U JP10441588 U JP 10441588U JP H0227234 U JPH0227234 U JP H0227234U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- cache memory
- devices
- write
- 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
- 230000010365 information processing Effects 0.000 claims 2
- 230000004044 response Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Techniques For Improving Reliability Of Storages (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は本考案をデユプレツクス・システム上で
使用した概念図、第３図は従来の方式を使用した
概念図である。
１，２，５，６，１２，１３…磁気デイスク処
理装置、３，７，８，１４…中央処理装置、４，
９，１５…磁気デイスク装置、１０，２０…キヤ
ツシユメモリ、１１，２１…判定部、３０…磁気
デイスクキヤツシユメモリ制御プログラム、３１
…キヤツシユデータ部。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a conceptual diagram of the present invention used on a duplex system, and FIG. 3 is a conceptual diagram of the conventional system. 1, 2, 5, 6, 12, 13...Magnetic disk processing device, 3, 7, 8, 14...Central processing unit, 4,
9, 15... Magnetic disk device, 10, 20... Cache memory, 11, 21... Judgment unit, 30... Magnetic disk cache memory control program, 31
...Cash data department.
Claims (1)
置を２台備えた情報処理装置において、 磁気デイスク装置にデータを書き込むときには
、前記磁気デイスク処理装置の一方に対しては当
該キヤツシユメモリおよび前記磁気デイスク装置
へ同一データを書き込むための指令を出し、他方
に対しては当該キヤツシユメモリのみに前記同一
データを書き込むための指令を出す磁気デイスク
キヤツシユメモリ制御プログラムを中央処理装置
に設け、 前記磁気デイスク処理装置のそれぞれには、前
記指令に対応して前記書込みを行う判定部を設け
たことを特徴とする情報処理装置。[Claims for Utility Model Registration] In an information processing device equipped with two magnetic disk processing devices each having a cache memory, when data is written to the magnetic disk devices, one of the magnetic disk processing devices is A magnetic disk cache memory control program is sent to a central processing unit to issue a command to write the same data to a memory and the magnetic disk device, and to the other to write the same data only to the cache memory. An information processing device, wherein each of the magnetic disk processing devices is provided with a determination unit that performs the writing in response to the command.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10441588U JPH0227234U (en) | 1988-08-05 | 1988-08-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10441588U JPH0227234U (en) | 1988-08-05 | 1988-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0227234U true JPH0227234U (en) | 1990-02-22 |
Family
ID=31336109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10441588U Pending JPH0227234U (en) | 1988-08-05 | 1988-08-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0227234U (en) |
-
1988
- 1988-08-05 JP JP10441588U patent/JPH0227234U/ja active Pending
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