JP5819085B2 - 入出力制御装置 - Google Patents
入出力制御装置 Download PDFInfo
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- JP5819085B2 JP5819085B2 JP2011079943A JP2011079943A JP5819085B2 JP 5819085 B2 JP5819085 B2 JP 5819085B2 JP 2011079943 A JP2011079943 A JP 2011079943A JP 2011079943 A JP2011079943 A JP 2011079943A JP 5819085 B2 JP5819085 B2 JP 5819085B2
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Description
Claims (1)
- 要求元から送信されるI/O要求を受信し、要求元毎に及びアプリケーションプログラム毎に用意されたI/Oリストに受信したI/O要求を登録するI/O要求受信部と、I/Oリスト毎に優先度を保持するI/O優先度保持部と、入出力対象のI/O装置に送るI/O要求を格納するI/Oキューと、
を有し、
アプリケーションプログラムの一つであるバックアッププログラムの優先度は、前記アプリケーションプログラムの他のプログラムの優先度よりも相対的に低く設定されており、その設定の結果として、前記バックアッププログラムの処理時間は、前記他のプログラムの処理時間よりも相対的に短く設定されており、
前記I/O優先度保持部から所定の順番で循環式に選択されたI/Oリスト毎の優先度を読み出し、前記バックアッププログラムの優先度の設定の結果として相対的に短く設定された前記バックアッププログラムの処理時間、及び、前記アプリケーションプログラムの他のプログラムの優先度の設定の結果として相対的に長く設定された前記他のプログラムの処理時間だけ繰り返して、当該I/Oリストに登録された前記バックアッププログラム及び前記他のプログラムに対応するI/O要求の読み出しとI/Oキューへの格納を実行するI/O発行部と、
ユーザのリクエストに応じて前記I/O優先度保持部の内容を変更する優先度設定部と、
をさらに有することを特徴とする入出力制御装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011079943A JP5819085B2 (ja) | 2011-03-31 | 2011-03-31 | 入出力制御装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011079943A JP5819085B2 (ja) | 2011-03-31 | 2011-03-31 | 入出力制御装置 |
Publications (2)
| Publication Number | Publication Date |
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| JP2012216004A JP2012216004A (ja) | 2012-11-08 |
| JP5819085B2 true JP5819085B2 (ja) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2011079943A Active JP5819085B2 (ja) | 2011-03-31 | 2011-03-31 | 入出力制御装置 |
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| JP (1) | JP5819085B2 (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6226666B2 (ja) * | 2013-09-20 | 2017-11-08 | 株式会社エクサ | バッチ処理制御プログラム、バッチ処理システム |
| KR102317786B1 (ko) | 2015-02-02 | 2021-10-26 | 삼성전자주식회사 | 스토리지 디바이스에서의 입출력 처리 방법 및 이를 적용하는 스토리지 디바이스 및 비휘발성 메모리 디바이스 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009199367A (ja) * | 2008-02-21 | 2009-09-03 | Nec Corp | 計算機システム、i/oスケジューラ及びi/oスケジューリング方法 |
| JP5171602B2 (ja) * | 2008-12-25 | 2013-03-27 | 京セラドキュメントソリューションズ株式会社 | Raidドライバ及びこれを備えた電子機器並びにraidに対するアクセス要求調停方法 |
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| JP2012216004A (ja) | 2012-11-08 |
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