JP3001430B2 - Fast saving method - Google Patents
Fast saving methodInfo
- Publication number
- JP3001430B2 JP3001430B2 JP8247540A JP24754096A JP3001430B2 JP 3001430 B2 JP3001430 B2 JP 3001430B2 JP 8247540 A JP8247540 A JP 8247540A JP 24754096 A JP24754096 A JP 24754096A JP 3001430 B2 JP3001430 B2 JP 3001430B2
- Authority
- JP
- Japan
- Prior art keywords
- storage
- storage device
- data
- command
- completion
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 32
- 230000005856 abnormality Effects 0.000 claims description 6
- 238000007726 management method Methods 0.000 description 37
- 230000007246 mechanism Effects 0.000 description 23
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000013500 data storage Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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- Techniques For Improving Reliability Of Storages (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、高速保存方法に関
し、特にコンピュータシステムの高速保存方法に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-speed storage method , and more particularly, to a high-speed storage method for a computer system.
【０００２】[0002]
【従来の技術】従来、コンピュータシステムの高速保存
を図るための方法としては、例えば多重書きされた記憶
ボリュームの異なる記憶領域から、データを同時並行入
力することによりデータ保存の高速化を図る方法があっ
た（特開平６−８９２１８号公報）。Conventionally, as a method for achieving high-speed storage of the computer system, for example, from different storage areas of multiwritten the storage volume, a method to increase the speed of data storage by simultaneously inputting the data (JP-A-6-89218).
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記の
方法において、多重書きされた複数ボリュームからのデ
ータ保存では、必ずしも高速保存が実現できるとは限ら
なかった。その理由は、全てのボリュームが正常に動作
していなければ、高速保存の実現ができないからであ
る。SUMMARY OF THE INVENTION
In the method , high-speed storage cannot always be realized in storing data from a plurality of volumes written in a multiplex manner . The reason is that high-speed storage cannot be realized unless all volumes are operating normally.
【０００４】また、従来の技術において、高速なデータ
保存装置を使用しても必ずしも高速保存が実現できると
は限らなかった。その理由は、保存装置内で軽微な障害
による装置内リトライや重度の装置障害による別装置へ
の再保存を行うからである。In the prior art, even when a high-speed data storage device is used, high-speed storage cannot always be realized. The reason is that a retry within the storage device due to a minor failure in the storage device or re-storing to another device due to a severe device failure is performed.
【０００５】本発明の目的は、保存装置の性能や障害状
況を考慮せずに、保存処理実行時点で最速の保存性能を
実現することである。[0005] It is an object of the present invention to realize the fastest storage performance at the time of execution of a storage process without considering the performance of the storage device or the state of failure.
【０００６】[0006]
【課題を解決するための手段】本発明の高速保存方法
は、保存装置が保存可能状態か否か装置状態テーブルを
参照し、同一データを同時に保存可能な複数の保存装置
に保存するようにした後、該複数の保存装置のうち最も
早く保存を終了した保存装置からの報告を受けて、前記
複数の保存装置のうち最も早く保存を終了した保存装置
を除く保存装置の保存処理を強制的に停止し、保存処理
が強制的に停止された該保存装置の内容を、保存を開始
する前の状態に戻す保存停止処理を行うことを特徴とす
る。SUMMARY OF THE INVENTION The high-speed storage of the present inventionMethod
Stores the device status table to determine whether the storage device is
Refer to the same data at the same timeStorableMultiple storage devices
Save tolikeAfter doingAmong the plurality of storage devicesmost
Receiving a report from a storage device that finished saving earlyAnd said
The storage device that finished saving the earliest among multiple storage devices
Except for storage devicesForcibly stop the save process, Save process
The contents of the storage device forcibly stopped,Start saving
Suspend processing to return to the state beforeI doCharacterized by
You.
【０００７】また本発明の高速保存方法は、上記高速保
存方法において、保存装置を監視し、保存装置に異常が
起きた場合に、前記装置状態テーブルの、異常が起きた
保存装置に関する保存装置状態を非保存可能状態とする
ことを特徴とする。In the high-speed storage method according to the present invention, in the high-speed storage method , the storage device is monitored, and when an abnormality occurs in the storage device, the storage device status relating to the storage device in which the abnormality has occurred is stored in the device status table. In a non-storable state.
【０００８】以下に本発明の高速保存方法を図１を用い
て説明する。Hereinafter, the high-speed storage method of the present invention will be described with reference to FIG.
【０００９】本発明の好適な実施形態は、保存装置の状
態を確認、更新しながら保存処理指令を発信する保存管
理機構（図１の１）と、保存装置への保存、保存装置へ
の保存停止処理を行う装置管理機構（図１の２）とを有
する。In a preferred embodiment of the present invention, a storage management mechanism (1 in FIG. 1) for transmitting a storage processing command while confirming and updating the state of the storage device, a storage in the storage device, and a storage in the storage device And a device management mechanism (2 in FIG. 1) for performing a stop process.
【００１０】保存管理機構は、保存装置が保存可能状態
か否か装置状態テーブルを参照し、同一データを同時に
複数の装置管理機構に保存するよう指令する。それぞれ
の装置管理機構は、保存処理を行い保存管理機構に保存
処理完了を報告する。保存管理機構は、最も早く保存を
終了した保存装置からの報告を受けて保存停止処理を指
令する。The storage management mechanism refers to the device status table as to whether or not the storage device is in the storable state, and instructs the plurality of device management mechanisms to simultaneously store the same data. Each device management mechanism performs a save process and reports the completion of the save process to the save management mechanism. The storage management mechanism receives a report from the storage device that has finished saving the earliest and instructs a storage stop process.
【００１１】装置管理機構は、保存停止処理指令を受け
ると保存処理を強制的に停止して、保存装置の内容を保
存を開始する前の状態に戻し、保存停止処理完了を保存
管理機構に報告する。When the storage management process command is received, the storage management device forcibly stops the storage process, returns the contents of the storage device to the state before the start of the storage, and notifies the completion of the storage stop process. Report to the preservation management mechanism.
【００１２】以上の動作によって、装置の性能や障害状
況を考慮することなしに、常に実行時点での最速の保存
結果を得ることができる。By the above operation, the fastest storage result at the time of execution can always be obtained without considering the performance of the apparatus or the failure state.
【００１３】[0013]
【発明の実施の形態】以下、本発明の実施の形態につい
て図面を用いて詳細に説明する。Embodiments of the present invention will be described below in detail with reference to the drawings.
【００１４】図１は本発明の一実施形態の全体構成を示
す図である。図１に示すように、本実施形態の高速保存
方法を用いた装置は、保存論理制御１−１と、保存指令
１−２と、完了受信１−３と、装置管理１−４と、保存
管理テーブル１−５と、装置状態テーブル１−６とを含
む保存管理機構１及び、指令受信２−１と保存開始２−
２と完了通知２−３と保存停止処理２−４と、保存装置
２−５と、装置監視２−６とを含む装置管理機構２（１
〜Ｎ）から構成される。FIG. 1 is a diagram showing the overall configuration of an embodiment of the present invention. As shown in FIG. 1, high-speed storage according to the present embodiment
The device using the method includes a storage logical control 1-1, a storage command 1-2, a completion reception 1-3, a device management 1-4, a storage management table 1-5, and a device status table 1-6. And the storage management mechanism 1 including the command reception 2-1 and the storage start 2-
2, a storage notification 2-3, a storage suspension process 2-4, a storage device 2-5, and a device monitor 2-6.
To N).
【００１５】図２は、保存管理テーブル１−５の構成を
表している。図３は、装置状態テーブル１−６の構成を
表している。FIG. 2 shows the configuration of the storage management table 1-5. FIG. 3 shows the configuration of the device status table 1-6.
【００１６】以下、上記実施形態の高速保存方法の動作
について、図１〜図３を用いて説明する。The operation of the high-speed storage method according to the embodiment will be described below with reference to FIGS.
【００１７】保存管理機構１が、保存処理を行うよう指
示を受けると、保存管理機構１内の保存論理制御１−１
から、保存指令１−２に適切に分割されたデータＡが送
られる。When the storage management mechanism 1 is instructed to perform a storage process, the storage logic control 1-1 in the storage management mechanism 1
Sends the data A appropriately divided to the save command 1-2.
【００１８】保存指令１−２は装置状態テーブル１−６
の保存装置状態を参照し、１〜Ｎまでの装置管理機構２
の内、準備状態の保存装置２−５をもつ装置管理機構２
の指令受信２−１に保存するデータＡを同時に発信す
る。発信と同時に保存指令１−２は保存管理テーブル１
−５のデータＡの保存に割り当てた保存管理番号に対応
したエントリの保存開始時間に保存開始時刻を記録す
る。さらに、装置状態テーブル１−６のデータＡの保存
に指定した保存装置２−５の保存装置番号に対応したエ
ントリの保存装置状態を保存中に更新する。The save command 1-2 is stored in the device status table 1-6.
Device management mechanism 2 from 1 to N
Device management mechanism 2 having a ready state storage device 2-5
The data A to be stored in the command reception 2-1 is transmitted at the same time. At the same time as the transmission, the save command 1-2 is stored in the save management table 1.
The storage start time is recorded in the storage start time of the entry corresponding to the storage management number assigned to the storage of the data A of -5. Further, the storage device status of the entry corresponding to the storage device number of the storage device 2-5 specified to store the data A in the device status table 1-6 is updated to the storage status.
【００１９】装置管理機構２内の指令受信２−１は、保
存処理指令を受けると、保存開始２−２に指令を発信す
る。保存開始２−２は保存装置２−５へデータＡの書き
込みを行い、保存装置２−５がデータＡの書き込みを完
了したときに完了通知２−３に対してデータＡの保存完
了を報告し、報告を受けた完了通知２−３は、データＡ
の保存完了を完了受信１−３に報告する。When receiving the storage processing command, the command reception 2-1 in the device management mechanism 2 transmits the command to the storage start 2-2. The storage start 2-2 writes the data A to the storage device 2-5, and when the storage device 2-5 completes the writing of the data A, reports the completion of the storage of the data A to the completion notice 2-3. The completion notification 2-3 that has received the report contains the data A
To the completion reception 1-3.
【００２０】完了受信１−３が、装置管理機構２（１〜
Ｎ）の何れかの装置管理機構２の完了通知２−３からの
データＡの保存完了の報告を受けると、その時点で完了
受信１−３はデータＡの保存完了を保存論理制御１−１
に報告すると共に保存指令１−２に保存停止命令を発信
する。The completion reception 1-3 is transmitted to the device management mechanism 2 (1 to
When the storage completion of the data A is received from the completion notification 2-3 of any of the device management mechanisms 2 in N), the completion reception 1-3 at that time notifies the storage logical control 1-1 of the completion of the storage of the data A.
And a save stop command is sent to the save command 1-2.
【００２１】保存完了を受けた保存論理制御１−１はデ
ータＡの保存処理が完了したことを認識する。The storage logic control 1-1 that has received the storage completion recognizes that the storage processing of the data A has been completed.
【００２２】保存指令１−２は、保存管理テーブル１−
５のデータＡの保存管理番号に対応したエントリに保存
情報として保存装置、保存場所、保存終了時間を記録
し、さらに装置状態テーブル１−６のデータＡが保存さ
れた保存装置２−５の保存装置番号に対応したエントリ
の保存装置状態を準備状態に更新する。The save command 1-2 is stored in the save management table 1-
The storage device, the storage location, and the storage end time are recorded as storage information in the entry corresponding to the storage management number of the data A of No. 5, and further stored in the storage device 2-5 where the data A of the device status table 1-6 is stored. The storage device status of the entry corresponding to the device number is updated to the ready status.
【００２３】また、保存指令１−２は、装置状態テーブ
ル１−６のデータＡが保存された保存装置２−５以外の
エントリに対しては、保存停止処理状態に更新して装置
管理機構２内の指令受信２−１に保存停止指令を発信す
る。The save command 1-2 updates the entry of the device status table 1-6 other than the storage device 2-5 in which the data A is saved to the storage suspension processing state and updates the device management mechanism 2 A save stop command is transmitted to the command reception 2-1 in the table.
【００２４】指令受信２−１は、保存停止処理２−４に
保存停止を指令する。The command reception 2-1 instructs the storage stop processing 2-4 to stop the storage.
【００２５】保存停止処理２−４は、保存装置２−５を
保存処理を行う以前の状態に戻し、完了通知２−３に保
存停止処理完了を報告する。完了通知２−３は完了受信
１−３に保存停止処理完了を報告する。The storage stop process 2-4 returns the storage device 2-5 to a state before the storage process is performed, and reports completion of the storage stop process to the completion notification 2-3. The completion notification 2-3 reports the completion of the storage suspension process to the completion reception 1-3.
【００２６】完了受信１−３は、保存指令１−２に保存
停止処理完了を報告する。保存指令１−２は、装置状態
テーブル１−６の保存停止処理が完了した保存装置２−
５のエントリに対する保存装置状態を準備状態に更新す
る。The completion reception 1-3 reports the completion of the storage stop processing to the storage instruction 1-2. The storage instruction 1-2 is a storage device 2 that has completed the storage stop processing of the device status table 1-6.
5 is updated to the ready state.
【００２７】次に、データＡの保存停止処理２−４がま
だ完全に終了していない状態で、データＢの保存を開始
する場合について説明する。Next, a description will be given of a case where the storage of the data B is started in a state where the storage stop processing 2-4 of the data A has not been completely completed.
【００２８】保存指令１−２は、装置状態テーブル１−
６を参照して保存装置状態が準備状態になっている保存
装置２−５を判別し、準備状態になっている装置管理機
構２の指令受信２−１に対してのみデータＢの保存指令
を発信する。発信後、装置状態テーブル１−６のデータ
Ｂの保存を指示した保存装置２−５に対応するエントリ
を保存中に更新する。The save command 1-2 is transmitted to the device status table 1-
6, the storage device 2-5 whose storage device state is in the ready state is determined, and the storage command of the data B is sent only to the command reception 2-1 of the device management mechanism 2 in the ready state. send. After the transmission, the entry corresponding to the storage device 2-5 instructed to store the data B in the device status table 1-6 is updated during storage.
【００２９】装置管理機構２（１〜Ｎ）の何れかの装置
管理機構２がデータＢの保存処理を行っている間に、デ
ータＡの保存停止処理の完了が完了通知２−３から完了
受信１−３に報告された場合、完了受信１−３は保存指
令１−２に保存停止処理完了を報告する。保存指令１−
２は、保存停止処理が完了した保存装置２−５に対し
て、現在行っているデータＢの保存を行うよう指令受信
２−１に発信する。発信後、装置状態テーブル１−６の
データＢの保存を指示した保存装置２−５に対応するエ
ントリを保存中に更新する。While any device management mechanism 2 of the device management mechanisms 2 (1 to N) is performing data B storage processing, completion of the data A storage stop processing is received from the completion notification 2-3. When the information is reported to 1-3, the completion reception 1-3 reports the storage stop processing completion to the storage command 1-2. Save command 1-
2 sends a command reception 2-1 to the storage device 2-5 that has completed the storage stop processing to store the data B that is currently being performed. After the transmission, the entry corresponding to the storage device 2-5 instructed to store the data B in the device status table 1-6 is updated during storage.
【００３０】装置監視２−６は保存装置２−５を監視
し、異常が起きた場合、装置管理１−４に発信する。装
置管理１−４は保存指令１−２が指令を出す際に参照す
る装置状態テーブル１−６の異常が起きた保存装置の保
存装置番号に対応するエントリの保存装置状態を障害中
（非保存可能状態）に更新する。The device monitor 2-6 monitors the storage device 2-5, and sends a message to the device management 1-4 when an abnormality occurs. The device management 1-4 refers to the device status table 1-6, which is referred to when the storage command 1-2 issues the command, to the storage device status of the entry corresponding to the storage device number of the storage device in which the abnormality has occurred (not stored). (Possible state).
【００３１】上記の処理を行うことによって、最も早く
保存処理の終了したものからの完了報告によって保存処
理を終了させることができ、高速保存が実現される。By performing the above-described processing, the saving processing can be terminated by a completion report from the one that has completed the saving processing first, and high-speed saving is realized.
【００３２】[0032]
【発明の効果】本発明によれば、装置の性能や障害状況
を考慮せずに、保存処理実行時点での最高の保存性能を
得ることができる。その理由は、データを複数同時に保
存装置に送信し最も早く保存を完了した装置管理機構か
らの報告をもって保存完了とするからである。According to the present invention, the highest storage performance at the time of execution of the storage processing can be obtained without considering the performance of the apparatus or the failure state. The reason is that a plurality of data are transmitted to the storage device at the same time, and the storage is completed by a report from the device management mechanism which completed the storage first.
【図１】本発明の全体の構成図である。FIG. 1 is an overall configuration diagram of the present invention.
【図２】保存管理テーブルの内容を示す表である。FIG. 2 is a table showing the contents of a storage management table.
【図３】装置状態テーブルの内容を示す表である。FIG. 3 is a table showing the contents of an apparatus status table.
１ 保存管理機構 １−１ 保存論理制御 １−２ 保存指令 １−３ 完了受信 １−４ 装置管理 １−５ 保存管理テーブル １−６ 装置状態テーブル ２ 装置管理機構 ２−１ 指令受信 ２−２ 保存開始 ２−３ 完了通知 ２−４ 保存停止処理 ２−５ 保存装置 ２−６ 装置監視 1 Save Management Mechanism 1-1 Save Logic Control 1-2 Save Command 1-3 Receive Completed 1-4 Device Management 1-5 Save Management Table 1-6 Device Status Table 2 Device Management Mechanism 2-1 Receive Command 2-2 Save Start 2-3 Notification of completion 2-4 Storage stop processing 2-5 Storage device 2-6 Device monitoring
───────────────────────────────────────────────────── フロントページの続き (72)発明者 野上 裕之 東京都江東区新木場一丁目18番６号 日 本電気ソフトウェア株式会社内 (58)調査した分野(Int.Cl.7，ＤＢ名) G06F 12/16 G06F 12/00 G06F 3/06 G06F 11/00 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Hiroyuki Nogami 1-18-6 Shinkiba, Koto-ku, Tokyo Within Nihon Denki Software Co., Ltd. (58) Field surveyed (Int. Cl. 7 , DB name) G06F 12 / 16 G06F 12/00 G06F 3/06 G06F 11/00
Claims (2)
テーブルを参照し、同一データを同時に保存可能な複数
の保存装置に保存するようにした後、該複数の保存装置
のうち最も早く保存を終了した保存装置からの報告を受
けて、前記複数の保存装置のうち最も早く保存を終了し
た保存装置を除く保存装置の保存処理を強制的に停止
し、保存処理が強制的に停止された該保存装置の内容
を、保存を開始する前の状態に戻す保存停止処理を行う
ことを特徴とする高速保存方法。1. A storage device with reference to the stored state whether the device status table, after so as to store the same data at the same time to a plurality of storage devices that can be stored, the plurality of storage devices
To receive reports from the earliest completed saving storage device among the exit earliest stored among the plurality of storage devices
The storage process of the storage device other than the storage device that was forcibly stopped, and the contents of the storage device for which the storage process was forcibly stopped
The high-speed storage and wherein the <br/> to perform the suspend operation to return to the state before starting the storage.
て、保存装置を監視し、保存装置に異常が起きた場合
に、前記装置状態テーブルの、異常が起きた保存装置に
関する保存装置状態を非保存可能状態とする高速保存方
法。2. The high-speed storage method according to claim 1, wherein the storage device is monitored, and when an abnormality occurs in the storage device, the storage status table relates to the storage device in which the abnormality has occurred. High-speed storage method that changes the storage device state to non-storable state
Law .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8247540A JP3001430B2 (en) | 1996-09-19 | 1996-09-19 | Fast saving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8247540A JP3001430B2 (en) | 1996-09-19 | 1996-09-19 | Fast saving method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1091536A JPH1091536A (en) | 1998-04-10 |
| JP3001430B2 true JP3001430B2 (en) | 2000-01-24 |
Family
ID=17165023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8247540A Expired - Fee Related JP3001430B2 (en) | 1996-09-19 | 1996-09-19 | Fast saving method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3001430B2 (en) |
-
1996
- 1996-09-19 JP JP8247540A patent/JP3001430B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1091536A (en) | 1998-04-10 |
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