JPH0447755U - - Google Patents
Info
- Publication number
- JPH0447755U JPH0447755U JP9090690U JP9090690U JPH0447755U JP H0447755 U JPH0447755 U JP H0447755U JP 9090690 U JP9090690 U JP 9090690U JP 9090690 U JP9090690 U JP 9090690U JP H0447755 U JPH0447755 U JP H0447755U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- group
- disk device
- write
- read
- 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 4
Description
第１図は本考案による磁気デイスク装置の一実
施例を示すブロツク図、第２図は第１図に示す磁
気デイスクのフオーマツト例を示す模式図、第３
図は第２図に示すグループの詳細なフオーマツト
例を示す模式図、第４図ａ，ｂは各々同実施例の
動作例を示すフローチヤート、第５図は従来から
知られている磁気デイスク装置のフオーマツト例
を示す模式図である。
２……制御部、３……磁気デイスクインタフエ
ース部、４……磁気デイスク、６……グループ情
報領域、９……グループ管理情報領域、１０……
データ領域、１１……グループ。
FIG. 1 is a block diagram showing one embodiment of a magnetic disk device according to the present invention, FIG. 2 is a schematic diagram showing an example of the format of the magnetic disk shown in FIG. 1, and FIG.
The figure is a schematic diagram showing a detailed format example of the group shown in Figure 2, Figures 4a and b are flowcharts each showing an example of the operation of the same embodiment, and Figure 5 is a conventionally known magnetic disk device. FIG. 2 is a schematic diagram showing an example of the format. 2...Control unit, 3...Magnetic disk interface unit, 4...Magnetic disk, 6...Group information area, 9...Group management information area, 10...
Data area, 11...group.
Claims (1)
イスクをアクセスして書込み動作や読出し動作を
行なう磁気デイスク装置において、データ領域と
グループ管理情報領域とに区分された複数のグル
ープを有する磁気デイスクと、書込み指令や読出
し指令が供給されたとき前記各グループ単位で書
込み動作や読出し動作を行なう制御部とを備えた
ことを特徴とする磁気デイスク装置。 (2) 前記磁気デイスクは前記各グループの他に
各グループの情報を管理するグループ情報領域を
持つ請求項１記載の磁気デイスク装置。[Scope of Claim for Utility Model Registration] (1) In a magnetic disk device that performs writing and reading operations by accessing a magnetic disk based on write commands and read commands, a plurality of storage areas divided into a data area and a group management information area What is claimed is: 1. A magnetic disk device comprising: a magnetic disk having groups; and a control section that performs a write operation and a read operation for each group when a write command and a read command are supplied. (2) The magnetic disk device according to claim 1, wherein the magnetic disk has a group information area for managing information of each group in addition to each of the groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9090690U JPH0447755U (en) | 1990-08-29 | 1990-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9090690U JPH0447755U (en) | 1990-08-29 | 1990-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0447755U true JPH0447755U (en) | 1992-04-23 |
Family
ID=31826063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9090690U Pending JPH0447755U (en) | 1990-08-29 | 1990-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0447755U (en) |
-
1990
- 1990-08-29 JP JP9090690U patent/JPH0447755U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0447755U (en) | ||
| JPH01151467U (en) | ||
| JPH0412162U (en) | ||
| JPS61648U (en) | multi-access storage | |
| JPH02189780A (en) | Optical disk management system | |
| JPS61176645U (en) | ||
| JPS6098156U (en) | disk device | |
| JPH0476648U (en) | ||
| JPS58190870U (en) | Movable head type magnetic disk device | |
| JPH0371478U (en) | ||
| JPS61172347U (en) | ||
| JPH032472U (en) | ||
| JPH01170366U (en) | ||
| JPH0366067U (en) | ||
| JPS6255268U (en) | ||
| JPS61649U (en) | multi-access storage | |
| JPH0218152U (en) | ||
| JPH0216460U (en) | ||
| JPS6057841U (en) | Write control circuit of magnetic disk device | |
| JPS6012812U (en) | magnetic recording reader | |
| JPS58171564U (en) | Storage device control method | |
| JPH0354063U (en) | ||
| JPS63105963U (en) | ||
| JPS6277467U (en) | ||
| JPH0227234U (en) |