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Computer system including a device with a plurality of identifiers

  • US 5,809,279 A
  • Filed: 02/04/1997
  • Issued: 09/15/1998
  • Est. Priority Date: 03/16/1992
  • Status: Expired due to Term
First Claim
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1. A disk array storage device, comprising:

  • a disk array which is divided into a plurality of partitions; and

    a disk array controller connectable to a host computer via a Small Computer System Interface (SCSI) bus and to said disk array;

    wherein said disk array controller allocates a different SCSI-ID to each of said plurality of partitions,said disk array controller receives an SCSI-ID from the host computer via said SCSI bus,said disk array controller recognizes if the received SCSI-ID coincides with any of the SCSI-IDs allocated to any of said plurality of partitions,said disk array controller responds to the host computer if coincidence is recognized,said disk array controller receives an SCSI command from the host computer,said disk array controller selects one of said partitions corresponding to the SCSI-ID received from the host computer, andsaid disk array controller controls access to the selected partition in accordance with the SCSI command received from the host computer and transfers a result of the access to the host computer.

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