Computer system including a device with a plurality of identifiers
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United States of America Patent
Stats
-
Mar 21, 2006
Grant Date -
Nov 18, 2004
app pub date -
Jun 16, 2004
filing date -
Mar 16, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A host computer is connected with a magnetic disk storage device by a SCSI bus. In the magnetic disk storage device, a plurality of partitions are set in a disk drive unit and have device identifiers (IDs) respectively allocated thereto as SCSI IDs=1, 2 and 3, which are supported by a disk controller. When the host computer has acquired the control, the SCSI bus through an arbitration and has selected, for example, the partition with the device identifier SCSI ID=1, the disk controller permits the host computer to access the partition in response to the selection. Since the partitions are different in attributes, properties etc., they seem to be magnetic disk storage device that are separate from one another when viewed from the host computer. Thus, the single magnetic disk storage device can be managed as a plurality of storage devices of different nature.
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