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Method and apparatus for error recovery in computer peripheral devices

  • US 5,450,579 A
  • Filed: 03/24/1994
  • Issued: 09/12/1995
  • Est. Priority Date: 03/24/1994
  • Status: Expired due to Fees
First Claim
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1. In a host computer including a first device driver and a second device driver operable in response to respective first and second command sequences for causing data transfer between the host computer and respective first and second data storage devices, each data storage device generating sense bytes representative of an error condition in the data storage device, an error recovery module operably couplable to each of the device drivers, comprising:

  • a sense byte correlator for receiving the sense bytes from the data storage device and for generating one of a plurality of action tokens corresponding with the received sense bytes in response thereto; and

    an action executor for receiving the action token and for generating an action signal representative of one of a plurality of predetermined error recovery actions in response thereto,wherein the error recovery module sends the action signal to the device driver for facilitating error recovery.

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