Storage apparatus, storage system, and data read method
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United States of America Patent
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Issued Date -
Mar 27, 2008
app pub date -
Feb 7, 2007
filing date -
Sep 26, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An object of the invention is to prevent command response timeout occurring until the virtual disk library apparatus starts data transfer to a host computer, and to reduce the cache capacity provided in the virtual disk library apparatus. The invention provides a storage apparatus including a first storage device for storing and reading data and a second storage device having a lower data read speed than that of the first storage device, wherein the first storage device maintains a head portion of data and transmits the maintained data to a host computer, and the second storage device maintains the entire data and transmits data subsequent to its head portion to the host computer
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