JPH03104076A - Auxiliary storage device - Google Patents

Auxiliary storage device

Info

Publication number
JPH03104076A
JPH03104076A JP24016389A JP24016389A JPH03104076A JP H03104076 A JPH03104076 A JP H03104076A JP 24016389 A JP24016389 A JP 24016389A JP 24016389 A JP24016389 A JP 24016389A JP H03104076 A JPH03104076 A JP H03104076A
Authority
JP
Japan
Prior art keywords
disk
positioner
time
access
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.)
Pending
Application number
JP24016389A
Other languages
Japanese (ja)
Inventor
Shuichi Sakata
修一 坂田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electronics Corp
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 Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Priority to JP24016389A priority Critical patent/JPH03104076A/en
Publication of JPH03104076A publication Critical patent/JPH03104076A/en
Pending legal-status Critical Current

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  • Moving Of Heads (AREA)

Abstract

PURPOSE:To shorten time for access and to extend recording capacity by providing plural rotary disks, which are fixed to the same rotary shaft in plural steps, around a positioner with the positioner as a center. CONSTITUTION:When a computer moves a correspondent head 3 to the track position of a disk, to which objective data are recorded, for example, a disk 1 or the track position of the disk 1 to be recorded, at such a time, another head 3' linked to the same positioner 5 separately shows the specified position of the track on a disk 1 as well. Accordingly, a cylinder on the disk 1 and a cylinder on the disk 1' can be accessed by one time access operation. As a result, the time for access can be shortened and the recording capacity can be extended.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は回転型ディスク(記憶媒体)を備えた補助記憶
装置の構或に関するものである。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to the structure of an auxiliary storage device equipped with a rotating disk (storage medium).

(従来の技術) 近年、計算機に接続されている補助記憶装置は、磁気デ
ィスク装置,光ディスク装置等が主なものであり,これ
らの補助記憶装置にも,(ア)高速な入出力,(イ)信
頼性の向上,(ウ)大量データの記録等が求められてい
る。
(Prior art) In recent years, the main types of auxiliary storage devices connected to computers are magnetic disk devices, optical disk devices, etc., and these auxiliary storage devices also have (a) high-speed input/output, ) Improving reliability and (c) recording large amounts of data are required.

従来の補助記憶装置の原理的な構造図を第4図ないし第
7図に示す。
The basic structural diagrams of conventional auxiliary storage devices are shown in FIGS. 4 to 7.

第4図は平面図、第5図は第4図の側面図、第6図はデ
ィスクのトラックを示す平面図,第7図は第6図の斜視
外観を示す図である。第4図,第5図に示すようにデー
タを記憶する円板状のディスク1の中心部に、該ディス
クを回転させる回転軸2を有する。このディスクに記憶
されているデータの読み取り,またはデータの書き込み
を行なうヘッド3はアーム4に支持され、該アーム4は
ポジショナ5と連結され,矢印A−A方向へ移動するこ
とで,ヘッド3の移動や位置決めをボジショナは行なう
よう構成されている。
4 is a plan view, FIG. 5 is a side view of FIG. 4, FIG. 6 is a plan view showing tracks of the disk, and FIG. 7 is a perspective view of FIG. 6. As shown in FIGS. 4 and 5, a disk-shaped disk 1 for storing data has a rotating shaft 2 in the center thereof for rotating the disk. A head 3 that reads data stored on this disk or writes data is supported by an arm 4. The arm 4 is connected to a positioner 5, and moves in the direction of arrow A-A to move the head 3. The positioner is configured to perform movement and positioning.

以上のように構成された補助記憶装置について、以下そ
の動作を説明する。
The operation of the auxiliary storage device configured as described above will be described below.

まず、データはディスク1面の回転軸2を中心とする同
心円にそって記録される。この同心円が、トラック6(
第6図に示す)を形或する。アーム4を固定した状態で
は,各ディスク1に対応したヘッド3の位置するトラッ
ク6が円筒状をなす。これがシリンダ7(第7図に示す
)である。データのアクセス動作は、計算機が目的とす
る位置までヘッド3を移動させる。ディスクlは回転軸
2により回転しているため、目的とするデータは,各デ
ィスク面の各トラック6の何れかであり、各ディスク面
に対応したヘッドによりアクセスできる。
First, data is recorded along concentric circles centered on the rotation axis 2 on one surface of the disk. This concentric circle is track 6 (
(shown in FIG. 6). When the arm 4 is fixed, the track 6 on which the head 3 corresponding to each disk 1 is located has a cylindrical shape. This is cylinder 7 (shown in FIG. 7). In the data access operation, the head 3 is moved to a position targeted by the computer. Since the disk 1 is rotated by the rotating shaft 2, the target data is in any one of the tracks 6 on each disk surface, and can be accessed by a head corresponding to each disk surface.

(発明が解決しようとする課題) 上記の従来技術では, (a)アクセス時間は、ヘッドの位置決め時間と、ディ
スクの回転待ち時間の和である。現在の磁気ディスク装
置ではアクセス時間の短縮を図るのは限界に近い。
(Problems to be Solved by the Invention) In the above conventional technology, (a) the access time is the sum of the head positioning time and the disk rotation waiting time. Current magnetic disk devices are close to reaching their limits in terms of shortening access time.

(b)記録容量は、ディスクの大きさと記録密度に依存
する。しかし、ディスクを大き<シトラック数を増やす
と、アクセス時間が長くなるので、記8密度を高くする
にも限界がある。
(b) Recording capacity depends on disk size and recording density. However, if the disk is made larger and the number of disks is increased, the access time becomes longer, so there is a limit to increasing the density.

(c)ディスクのある一部が破損した場合は、交代トラ
ック容量にも制限がある. 本発明は上記従来技術の課題に鑑み、アクセス時間の短
縮,記録容量の拡張及びデータの信頼性の向上等を図る
ことを目的とする. (課題を解決するための手段) 本発明は上記目的を達或するため、同一回転軸に複数段
に固定された回転型ディスクを、1つのボジショナを中
心に、その周辺に複数備えたことを特徴とする6 (作 用) 上記構或により1回のアクセス動作で複数のシリンダへ
のアクセスが可能となり、この結果、従来技術の数倍の
アクセスを可能とし、前記目的を達成することができる
. (実施例) 第l図は本発明の一実施例に係る平面図、第2図は第1
図の側面図を示す.図に示すように1つのポジショナ5
に対し,本実施例では2つのアーム4,4′とヘッド3
,3′を連結し、これらのヘッド3.3′に対応するデ
ィスク1,l′を備え,各ディスク1,1′は回転軸2
,2′に固定され回転される構或となっている。
(c) If a certain part of the disk is damaged, there is a limit to the replacement track capacity. In view of the problems of the prior art described above, the present invention aims to shorten access time, expand storage capacity, and improve data reliability. (Means for Solving the Problems) In order to achieve the above object, the present invention provides a plurality of rotary disks fixed to the same rotating shaft in multiple stages around one positioner. Feature 6 (Function) The above structure makes it possible to access multiple cylinders with one access operation, and as a result, it is possible to access several times as many cylinders as in the prior art, thereby achieving the above purpose. .. (Embodiment) Fig. 1 is a plan view of an embodiment of the present invention, and Fig. 2 is a plan view of an embodiment of the present invention.
A side view of the figure is shown. One positioner 5 as shown in the figure
On the other hand, in this embodiment, two arms 4, 4' and a head 3 are used.
, 3' are connected to each other, and disks 1, l' corresponding to these heads 3.3' are provided, and each disk 1, 1'
, 2' and rotated.

このように構威されているので、計算機が目的とするデ
ータの記録されている例えばディスク1のトラック、あ
るいは記録すべきディスク1のトラックの位置まで、対
応するヘッド3を移動させると.その時,同じボジショ
ナ5に連結されている別のヘッド3′も別のディスク1
′上のトラックの特定位置を示すことになる。つまり、
l回のアクセス動作で,ディスク1上のシリンダとディ
スクエ′上のシリンダへもアクセスが可能となり、従来
装置と同様のアクセス動作で、倍のアクセスを可能にす
ることができる。
With this structure, when the computer moves the corresponding head 3 to the position of, for example, a track on the disk 1 where the desired data is recorded, or a track on the disk 1 where data is to be recorded. At that time, another head 3' connected to the same positioner 5 also has another disk 1.
′ indicates a specific position on the track. In other words,
With one access operation, the cylinders on the disk 1 and the cylinders on the disk E' can also be accessed, making it possible to double the access with the same access operation as in the conventional device.

第3図は本発明の他の実施例に係る平面図を示し、ボジ
ショナ5に対し4個のディスク1,1′1″, l”’
を備え、ボジショナ5は各ディスクに対し横移動用(矢
印A−A)及び縦移動用(矢印B−B)の機構部を備え
、各アーム4は2つのヘッド3と3’, 3’と3”’
,3”’と3”,3”と3を備えている。
FIG. 3 shows a plan view of another embodiment of the invention, in which four disks 1, 1'1'', l''' are provided for the positioner 5.
The positioner 5 has a mechanism for horizontal movement (arrow A-A) and vertical movement (arrow B-B) for each disk, and each arm 4 has two heads 3 and 3', 3' and 3”'
, 3'' and 3'', and 3'' and 3.

これは前記第1図,第2図でのべた実施例に比べ更に1
回のアクセス動作で多くのアクセスが可能となる。
This is even more significant than the embodiments shown in Figures 1 and 2 above.
Many accesses are possible with one access operation.

(発明の効果) 以上のように構成された本発明の補助記憶装置は,次の
ような実施が可能となる。
(Effects of the Invention) The auxiliary storage device of the present invention configured as described above can be implemented as follows.

(ア〉高速なアクセスを実現するため,複数のディスク
に記録するデータを分割し、同時に複数のディスクへ書
き込みを行なう.読み取りの際は、複数のディスクから
同時に読み取り結合する。このことにより、記録容量も
従来と比べディスクの数分.倍増される. (イ)データの信頼性を高めるため,ディスクセットを
対にし、それらディスクへ同時に同じデータを書き込む
.データの読み取りの際、対のディスクセット両方から
データを読み取り照合する.あるいは,対のディスクセ
ットの片方を、バックアップ用として用い、どちらか一
方が破損してもデータを失う心配がない。
(A) In order to achieve high-speed access, data to be recorded on multiple disks is divided and written to multiple disks at the same time. When reading, data is read from multiple disks at the same time and combined. The capacity is also doubled compared to conventional disks.(a) To improve data reliability, disk sets are paired and the same data is written to the disks at the same time.When reading data, the paired disk sets are Read and collate data from both sets. Alternatively, use one of the paired disk sets for backup so you don't have to worry about losing data even if one of the disks gets damaged.

このように本発明は1つのポジショナに対し、複数のデ
ィスクを備えた構或であるので,アクセス時間の短縮,
記憶容量の拡張.及びデータの信頼性の向上等を図るこ
とができる。
As described above, since the present invention has a structure in which one positioner is provided with a plurality of disks, access time can be shortened,
Expansion of storage capacity. It is also possible to improve the reliability of data.

【図面の簡単な説明】[Brief explanation of drawings]

第l図は本発明の一実施例に係る平面図、第2図は第1
図の側面図、第3図は本発明の他の実施例の平面図.第
4図は従来の補助記憶装置の平面図、第5図は第4図の
側面図、第6図はディスクのトラックを示す平面図、第
7図は第6図の斜視外観図である。 1.1’  1”  1”’  ・・・ディスク、 2
,2″,2”,2”’ ・・・回転軸、 3,3′3”
,3”’  ・・・ヘッド、 4,4′ ・・・アーム
, 5 ・・・ポジショナ。
FIG. 1 is a plan view of one embodiment of the present invention, and FIG.
Figure 3 is a side view, and Figure 3 is a plan view of another embodiment of the present invention. 4 is a plan view of a conventional auxiliary storage device, FIG. 5 is a side view of FIG. 4, FIG. 6 is a plan view showing tracks of a disk, and FIG. 7 is a perspective external view of FIG. 6. 1.1'1"1"'...disc, 2
, 2″, 2″, 2″’ ... Rotating axis, 3, 3′3″
,3'''...Head, 4,4'...Arm, 5...Positioner.

Claims (1)

【特許請求の範囲】[Claims] 同一回転軸に複数段に固定された回転型ディスクを、1
つのポジシヨナを中心に、その周辺に複数備えたことを
特徴とする補助記憶装置。
Rotating disks fixed in multiple stages to the same rotating shaft are
An auxiliary storage device that is characterized by having one positioner in the center and multiple positions around it.
JP24016389A 1989-09-18 1989-09-18 Auxiliary storage device Pending JPH03104076A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24016389A JPH03104076A (en) 1989-09-18 1989-09-18 Auxiliary storage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24016389A JPH03104076A (en) 1989-09-18 1989-09-18 Auxiliary storage device

Publications (1)

Publication Number Publication Date
JPH03104076A true JPH03104076A (en) 1991-05-01

Family

ID=17055433

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24016389A Pending JPH03104076A (en) 1989-09-18 1989-09-18 Auxiliary storage device

Country Status (1)

Country Link
JP (1) JPH03104076A (en)

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