Storage apparatus and failure recovery method

Storage apparatus and failure recovery method

Proposed are a storage apparatus and a failure recovery method capable of performing failure recovery processing while reducing performance deterioration. Whether user data is written into a storage area provided by multiple storage mediums is managed for each stripe. When any one of the storage med...

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Hauptverfasser: OKAKI TAKUYA, TANIMOTO DAISUKE
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator OKAKI TAKUYA
TANIMOTO DAISUKE
description Proposed are a storage apparatus and a failure recovery method capable of performing failure recovery processing while reducing performance deterioration. Whether user data is written into a storage area provided by multiple storage mediums is managed for each stripe. When any one of the storage mediums is blocked due to a failure, correction copy processing is executed to the stripe written with the user data in preference to the stripe not written with the user data in a storage area provided by the multiple storage mediums, and correction copy processing is executed to the stripe not written with the user data in a storage area provided by the multiple storage mediums during spare time.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Storage apparatus and failure recovery method
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