JPS62257519A - Device replacing system for magnetic disk device - Google Patents

Device replacing system for magnetic disk device

Info

Publication number
JPS62257519A
JPS62257519A JP10137286A JP10137286A JPS62257519A JP S62257519 A JPS62257519 A JP S62257519A JP 10137286 A JP10137286 A JP 10137286A JP 10137286 A JP10137286 A JP 10137286A JP S62257519 A JPS62257519 A JP S62257519A
Authority
JP
Japan
Prior art keywords
magnetic disk
input
output
disk device
exchange
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
JP10137286A
Other languages
Japanese (ja)
Inventor
Takashi Shinyashiki
新屋敷 孝
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Priority to JP10137286A priority Critical patent/JPS62257519A/en
Publication of JPS62257519A publication Critical patent/JPS62257519A/en
Pending legal-status Critical Current

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  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

PURPOSE:To simplify a work and to shorten the time of interruption of use by a user by replacing the device by copying a magnetic disk device in use to an unused magnetic disk device. CONSTITUTION:The system is provided with a volume copying means 2 that copies a magnetic disk device 10 used to an unused magnetic disk device 11 constituted in the same system, a device constituting table 7, a device replacing means 6, an input/output control means 4 controls to issue only input/output issued by the volume copying means 2, an input/output determining means 5, a device replacing information setting means 8 and a device replacing information releasing means 9 that set and release replacing information so as to control the input/output control means and an input/output resuming means 3. Thus, by copying a magnetic disk device used to an unused magnetic disk device and device replacing is made by operation of the device constituting table, the process is made simple, and the time of interruption of used by a user is shortened.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は電を計算機システムにおいて便用される磁気デ
ィスク装置の装置交換方式に関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a device exchange system for magnetic disk drives conveniently used in electronic computer systems.

【従来の技術) 電r計算機シスデムにて運用中に磁気ディスク装置の装
置交換を行なおうとした場合、着脱可能な磁気ディスク
パックなら手動で装置交換を行なうことができるが、固
定ディスクでは手動による装置交換ができないため対象
装置の記録内容を磁気テーブル等地の媒体に退避したの
ち装置の媒体を入れ賛えて復元するか、もしくは別の未
使用ディスク装置に復元してその装置を使用する。
[Prior art] When attempting to replace a magnetic disk device during operation in an electronic computer system, it is possible to manually replace the device with a removable magnetic disk pack, but with a fixed disk, it is not possible to manually replace the device. Since the device cannot be replaced, the recorded contents of the target device are saved to a medium such as a magnetic table, and then the device's medium is inserted and restored, or the device is restored to another unused disk device and the device is used.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

ト述した従来の方法は、装置交換対象装置の記録内容を
磁気テープ等地の媒体に退避、復元するため、繁雑な作
業で長時間を要し、利用者はその間該装置の使用を、α
点的に停+h シなくてはならず、また未使用ディスク
装置に退避内容を復元して使用する場合、装置が変更さ
れたことを利用者に、0識させてしまうという欠点があ
る。
In the conventional method described above, the recorded contents of the device to be replaced are saved and restored to a local medium such as a magnetic tape, which requires a long time due to complicated work.
In addition, when the saved contents are restored to an unused disk device and used, there is a drawback that the user is unaware that the device has been changed.

〔問題点を解決するための手段〕[Means for solving problems]

本発明の磁気ディスク装置の装置交換方式は、使用中の
磁気ディスク装置の装置交換をするにあたり、使用中の
磁気ディス装置を同じシステムに構成されている未使用
の磁気ディスク装置に複写1−るボリューム複写手段と
、装置構成テーブルと、使用中磁気ディスク装置とボリ
ューム複写手段で複写された磁気ディスク装置とを装置
ごとに対応した前記装置構成テーブルを操作することに
よって交換する装置交換手段と、ボリューム複写手段お
よび装置交換手段による装置交換処理中、入出力の属性
を判断し、利用者プログラムからの入出力を保留し、ボ
リューム複写゛「段によって発ネ1された入出力のみを
発行するように制御する入出力制御1段と、装置構成テ
ーブルを参照し入出力対象の装置を決定1−る入出力装
置決定p段と、入出力制御1段をセ制御1−るため装置
構成デープルに装置交換情報を設定、解除する装置交換
情報設定1段および装置交換情報解除手段と、保留され
ていた利用者プログラムの入出力を装置交換後に111
開させる人出ノ月11開ト段とを有する。
The device replacement method for a magnetic disk device of the present invention is such that when replacing a magnetic disk device in use, the magnetic disk device in use is copied to an unused magnetic disk device configured in the same system. A volume copying means, a device configuration table, a device exchange means for exchanging a magnetic disk device in use and a magnetic disk device copied by the volume copying device by operating the device configuration table corresponding to each device, and a volume. During the device exchange process by the copying means and the device exchange means, the attributes of the input and output are determined, the input and output from the user program is suspended, and only the input and output generated by the volume copying stage is issued. The input/output control stage 1 to be controlled, the input/output device determining stage p which refers to the device configuration table and determines the device to be input/output, and the input/output control stage 1 to control the device configuration table. A device exchange information setting stage 1 and a device exchange information canceling means for setting and canceling exchange information, and input/output of the suspended user program are performed at 111 after device exchange.
It has an opening stage of 11 people.

このように、使用中磁気ディスク装置を未使用磁気ディ
スク装置へ複写して装置構成テーブルの操作で装置交換
を行なうことにより、その作業が筒中、であり、利用者
の使用停止12時間も短時間で済み、さらに利用名入出
力を保留状態としておくため装置交換を利用者に、0識
させることなく行なうことができる効果かある。
In this way, by copying a used magnetic disk device to an unused magnetic disk device and replacing the device by manipulating the device configuration table, the work can be done in the blink of an eye, and the user's 12-hour suspension of use can be shortened. Furthermore, since the user name input/output is held in a pending state, device exchange can be performed without making the user aware of it.

〔実施例〕〔Example〕

次に、本発明の実施例について図面を参照して説明する
Next, embodiments of the present invention will be described with reference to the drawings.

第1図は本発明の磁気ディスク装置の装置交換方式の一
実施例を示す構成図、第2図〜第4図は本実施例におけ
る装置交換の手順を示す図である。
FIG. 1 is a block diagram showing an embodiment of a device replacement method for a magnetic disk drive of the present invention, and FIGS. 2 to 4 are diagrams showing a procedure for device replacement in this embodiment.

本実施例の磁気ディスク装置の装置交換方式は、利用者
プログラムlと、使用中の磁気ディスク装置10または
11を同じシステムに構成されている未使用の磁気ディ
スク装置11または10に複写するボリューム複写手段
2と、装置構成テーブル7と、使用中磁気ディスク装置
と前記手段2で複写された磁気ディスク装置とを装置ご
とに対応した装置構成テーブル7を操作することによっ
て交換1−る装置交換ト段6と、前記二つの手段2.6
による装置交換処理中、入出力の属性を判断し、利用者
プログラム1からの入出力を保留しボリューム複写手段
2によって発行された入出力のみを発行するように制御
する入出力制御ト段4と、装置構成テーブル7を参照し
入出力対象の装置を決定する入出力装置決定丁段5と、
入出力制v4T一段4を制御するため装置構成テーブル
7に装置交換情報を設定、解除する装置交換情報設定手
段8および装置交換情報解除手段9と、保留されていた
利用者プログラム1の入出力を装置交換後に再開させる
入出力+lG開丁段3とを有する。
The device exchange method of the magnetic disk device of this embodiment is a volume copying method in which the user program l and the magnetic disk device 10 or 11 in use are copied to an unused magnetic disk device 11 or 10 configured in the same system. A device exchange step 1 in which the means 2, the device configuration table 7, and the magnetic disk device in use and the magnetic disk device copied by the means 2 are exchanged by operating the device configuration table 7 corresponding to each device. 6 and the above two means 2.6
an input/output control stage 4 that determines the attributes of the input/output during the device exchange processing by the user program 1 and controls the input/output from the user program 1 to be suspended and only the input/output issued by the volume copying means 2 to be issued; , an input/output device determination stage 5 that refers to the device configuration table 7 and determines an input/output target device;
A device exchange information setting means 8 and a device exchange information canceling means 9 set and cancel device exchange information in the device configuration table 7 to control the input/output control v4T one-stage 4, and input/output of the user program 1 that has been put on hold. It has an input/output +lG opening stage 3 that is restarted after device replacement.

次に、利用者プログラム1が使用中の磁気ディスク装置
IOから未使用装置11への装置交換を行なう際の動作
を第1図から第4図を参照して説明する。
Next, the operation when the user program 1 performs device exchange from the magnetic disk device IO in use to the unused device 11 will be explained with reference to FIGS. 1 to 4.

まず、装置交換情報設定手段8により装置構成テーブル
7に装置交換情報を設定し、ボリューム複写り段2によ
り磁気ディスク装置10の記録内容を磁気ディスク装置
!lへ複写する。そして複写終了後、装置交換手段6に
より装置構成テーブル7を操作して磁気ディスク装置1
0と11の装置を交換し、装置交換情報解除手段9によ
り装置交換デープル7の装置交換情報を解除して入出力
再開手段3により後述の手段で保留されている利用者プ
ログラム1の入出力を再開する。
First, the device exchange information setting means 8 sets the device exchange information in the device configuration table 7, and the volume copy stage 2 copies the recorded contents of the magnetic disk device 10 to the magnetic disk device! Copy to l. After copying is completed, the device configuration table 7 is operated by the device exchange means 6 to replace the magnetic disk device 1.
0 and 11 are exchanged, the device exchange information canceling means 9 cancels the device exchange information of the device exchange table 7, and the input/output restarting means 3 restarts the input/output of the user program 1 that has been suspended by means described later. resume.

第3図を参照すると、装置交換情報設定手段8により装
置構成テーブル7に装置交換情報が設定されている間、
入出力制御手段4でボリューム複写毛段2から要求され
た入出力のみ受は付け、利用者プログラム1の入出力は
−「べて保留と)j−る。
Referring to FIG. 3, while the device exchange information is being set in the device configuration table 7 by the device exchange information setting means 8,
The input/output control means 4 accepts only the input/output requested by the volume copying stage 2, and all input/outputs of the user program 1 are put on hold.

第4図を参照すると、入出力装置決定手段5により1入
出力発行の際に装置交換手段6で交換された装置構成テ
ーブル7を参照して入出力対象装置を決定し入出力を発
行する。これにより磁気ディスク装置10に対する利用
者プログラム1の入出力は装置交換後、磁気ディスク装
置11へ発行されるようになる。
Referring to FIG. 4, the input/output device determination means 5 refers to the device configuration table 7 exchanged by the device exchange means 6 when one input/output is issued, determines the input/output target device, and issues the input/output. As a result, the input/output of the user program 1 to the magnetic disk device 10 will be issued to the magnetic disk device 11 after the device is replaced.

(発明の効果〕 以−ヒ説明したように本発明は、使用中磁気ディスク装
置を未使用磁気ディスク装置へ複写して装置構成テーブ
ルの操作で装置交換を行なうことにより、その作業が簡
単であり、利用者の使用停W時間も短時間で済み、さら
に利用者入出力を保留状態としておくため装置交換を利
用者に、0′Aさせることなく行なうことができる効果
がある。
(Effects of the Invention) As explained below, the present invention simplifies the operation by copying a used magnetic disk device to an unused magnetic disk device and replacing the device by manipulating the device configuration table. Moreover, the user's outage time can be shortened, and since the user's input/output is kept on hold, the device can be replaced without causing the user to go 0'A.

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

第1図は本発明の磁気ディスク装置の装置交換方式の一
実施例の補成岬、第2図〜第4図は木実71b例におけ
る装置交換の手順を示す図である。 1・・・・・・・・・・・・利用者プログラム。 2・・・・・・・・・・・・ボリューム化”Q”I’段
。 3・・・・・・・・・・・・人出ノ月11開手段。 4・・・・・・・・・・・・入出力制御f段。 5・・・・・・・・・・・・入出力装置決定手段。 6・・・・・・・・・・・・装置交換手段。 7・・・・・・・・・・・・装置構成テーブル。 8・−・・・・・・・・・・装置交換情報設定−F段。 9・・・・・・・・・・・・装置交換情報解除1段。 IQ、 li−・・・・磁気ディスク装置。 第1(2) η2回
FIG. 1 is a supplementary cape of an embodiment of the device replacement method for a magnetic disk drive of the present invention, and FIGS. 2 to 4 are diagrams showing the procedure of device replacement in an example of a nut 71b. 1........User program. 2・・・・・・・・・Volume “Q” I’ stage. 3・・・・・・・・・・・・11 Opening Means for the Month of Crowds. 4......F stage of input/output control. 5......Input/output device determining means. 6...... Device exchange means. 7......Device configuration table. 8.--Device exchange information setting-F stage. 9・・・・・・・・・Device exchange information release 1st stage. IQ, li-...magnetic disk device. 1st (2) η2 times

Claims (1)

【特許請求の範囲】 電子計算機システムにおいて、 使用中の磁気ディスク装置の装置交換をするにあたり、
使用中の磁気ディス装置を同じシステムに構成されてい
る未使用の磁気ディスク装置に複写するボリューム複写
手段と、 装置構成テーブルと、 使用中磁気ディスク装置とボリューム複写手段で複写さ
れた磁気ディスク装置とを装置ごとに対応した前記装置
構成テーブルを操作することによって交換する装置交換
手段と、 ボリューム複写手段および装置交換手段による装置交換
処理中、入出力の属性を判断し、利用者プログラムから
の入出力を保留し、ボリューム複写手段によって発行さ
れた入出力のみを発行するように制御する入出力制御手
段と、 装置構成テーブルを参照し入出力対象の装置を決定する
入出力装置決定手段と、 入出力制御手段を制御するため装置構成テーブルに装置
交換情報を設定、解除する装置交換情報設定手段および
装置交換情報解除手段と、 保留されていた利用者プログラムの入出力を装置交換後
に再開させる入出力再開手段とを有する磁気ディスク装
置の装置交換方式。
[Claims] In a computer system, when replacing a magnetic disk device in use,
A volume copying means for copying a magnetic disk device in use to an unused magnetic disk device configured in the same system, a device configuration table, and a magnetic disk device in use and a magnetic disk device copied by the volume copying means. a device exchange means that exchanges the data by manipulating the device configuration table corresponding to each device, and a device exchange means that determines input/output attributes during device exchange processing by the volume copying means and the device exchange means, and determines the input/output attributes from the user program. an input/output control means that suspends the I/O and issues only the I/O issued by the volume copying means; an I/O device determination means that refers to a device configuration table and determines the device to be input/output; A device exchange information setting means and a device exchange information canceling means for setting and canceling device exchange information in a device configuration table to control the control means, and an input/output resumer for restarting suspended user program input/output after device exchange. A device exchange method for a magnetic disk device having means.
JP10137286A 1986-04-30 1986-04-30 Device replacing system for magnetic disk device Pending JPS62257519A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10137286A JPS62257519A (en) 1986-04-30 1986-04-30 Device replacing system for magnetic disk device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10137286A JPS62257519A (en) 1986-04-30 1986-04-30 Device replacing system for magnetic disk device

Publications (1)

Publication Number Publication Date
JPS62257519A true JPS62257519A (en) 1987-11-10

Family

ID=14298982

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10137286A Pending JPS62257519A (en) 1986-04-30 1986-04-30 Device replacing system for magnetic disk device

Country Status (1)

Country Link
JP (1) JPS62257519A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000353054A (en) * 1999-06-09 2000-12-19 Hitachi Ltd Control method for information processor and information processor
WO2001040925A1 (en) * 1999-12-02 2001-06-07 Fujitsu Limited Disk array system and method of expanding storage capacity

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58221460A (en) * 1982-06-17 1983-12-23 Mitsubishi Electric Corp Device for controlling magnetic disc
JPS5941070A (en) * 1982-09-01 1984-03-07 Hitachi Ltd Method for switching filing device
JPS605329A (en) * 1983-06-23 1985-01-11 Fujitsu Ltd Managing system of duplex disk

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58221460A (en) * 1982-06-17 1983-12-23 Mitsubishi Electric Corp Device for controlling magnetic disc
JPS5941070A (en) * 1982-09-01 1984-03-07 Hitachi Ltd Method for switching filing device
JPS605329A (en) * 1983-06-23 1985-01-11 Fujitsu Ltd Managing system of duplex disk

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000353054A (en) * 1999-06-09 2000-12-19 Hitachi Ltd Control method for information processor and information processor
WO2001040925A1 (en) * 1999-12-02 2001-06-07 Fujitsu Limited Disk array system and method of expanding storage capacity
US7249278B2 (en) 1999-12-02 2007-07-24 Fujitsu Limited Disk array apparatus and method for expanding storage capacity

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