Updating method of firmware of hard disk unit mounted on disk array device and disk array device with function for performing updating method
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United States of America Patent
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Apr 18, 2006
Issued Date -
N/A
app pub date -
Mar 25, 2002
filing date -
Apr 20, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Data recorded in a disk of a hard disk unit is copied to another hard disk unit. A proxy mode, for making the other hard disk unit which has been copied with the data to perform an I/O process to the hard disk unit in place thereof, is performed. Meanwhile, the firmware of the original hard disk unit is updated, and contents of the disk is set up to a latest updated state. Then, the operation in the proxy mode is stopped, and the operation is switched to an operation in a normal mode where the I/O process is directly performed to the original hard disk unit.
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