Hot replacement of storage device in serial array of storage devices
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United States of America Patent
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Apr 9, 2002
Grant Date -
N/A
app pub date -
May 7, 1999
filing date -
May 7, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
Hot replacement of a storage device in a serial array of storage devices. The apparatus and the process of the invention allow one device to be removed from the array, without causing critical error to be delivered to the host computer and, in turn, all of the delays and problems associated with the delivery of such an error signal. The invention includes a buffer to buffer data requests from the host computer while the replacement process is ongoing. After the drive is replaced, the requests stored in the buffer are performed.
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