STORAGE CONTROL APPARATUS AND CONTROL PROGRAM

PROBLEM TO BE SOLVED: To improve performances of a storage device.SOLUTION: There are provided a determination unit 332 configured to refer to a cache hit situation in a cache memory 31 of a write address related to a write request to a storage device 40 and determine an operation mode of write proc...

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Bibliographische Detailangaben
Hauptverfasser: KUMABE TAKURO, ABE KEIMA, SAKAI MOTOHIRO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To improve performances of a storage device.SOLUTION: There are provided a determination unit 332 configured to refer to a cache hit situation in a cache memory 31 of a write address related to a write request to a storage device 40 and determine an operation mode of write processing based on the write request as a write-back mode or a write-through mode and a write processing unit 333 configured to perform write processing based on the write request, via the cache memory 31, in accordance with the determined operation mode.SELECTED DRAWING: Figure 2 【課題】ストレージ装置の性能を向上させる。【解決手段】記憶装置40に対する書込要求に係る書込アドレスのキャッシュメモリ31におけるキャッシュヒット状況に基づいて、前記書込要求に基づく書込処理の動作モードをライトバックモード及びライトスルーモードのいずれかに決定する決定部332と、決定した動作モードに従って、前記キャッシュメモリ31を介して、前記書込要求に基づく書込処理を行なう書込処理部333と、をそなえる。【選択図】図2