STORAGE APPARATUS AND COPY CONTROL METHOD

A storage apparatus includes a plurality of drives having different response speeds, a memory that stores location information of data stored in the plurality of drives, and a processor operable to execute performing rearrangement of the data among the plurality of drives in accordance with a specif...

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Bibliographic Details
Main Authors HATA YUJIRO, YAMAMOTO MASAHIRO, SAITO KINYA
Format Patent
LanguageEnglish
Published 02.10.2014
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A storage apparatus includes a plurality of drives having different response speeds, a memory that stores location information of data stored in the plurality of drives, and a processor operable to execute performing rearrangement of the data among the plurality of drives in accordance with a specific condition, updating the location information of the data whose rearrangement has been performed, and starting copying from data that is used for startup of a host connected to another storage apparatus among a plurality of pieces of data to be copied to the other storage apparatus in accordance with the location information stored in the memory, the other storage device being redundantly configured with the storage apparatus.
Bibliography:Application Number: US201414154559