Disk storage device and cache control method for disk storage device

A disk storage device stores write data in a cache area of a data buffer according to a write command from a host, reports write completion to the host, and then writes the write data in the cache area to a storage medium. The disk storage device stores the write data stored in the data buffer in a...

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Hauptverfasser:	KAKUYA TAKUMI, HAGA TATSUYA, TANAKA HIDEAKI, SUGIYAMA MITSUHIKO, OBUCHI MASAKI, MURAI HIROAKI, SHIMIZU SHIGERU, SATO NORIYUKI, HIRAO YUICHI, AIHARA MASAMI
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
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creator	KAKUYA TAKUMI HAGA TATSUYA TANAKA HIDEAKI SUGIYAMA MITSUHIKO OBUCHI MASAKI MURAI HIROAKI SHIMIZU SHIGERU SATO NORIYUKI HIRAO YUICHI AIHARA MASAMI
description	A disk storage device stores write data in a cache area of a data buffer according to a write command from a host, reports write completion to the host, and then writes the write data in the cache area to a storage medium. The disk storage device stores the write data stored in the data buffer in a save area created on the storage disk in response to the reception of a command which requires integrity, other than a write command, and reports a response to the host. Therefore processing time of this command and response time to the host can be decreased, while maintaining the safety of the write data.
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title	Disk storage device and cache control method for disk storage device
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