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Computer and associated method for restoring data backed up on archive media

  • US 5,926,836 A
  • Filed: 12/03/1996
  • Issued: 07/20/1999
  • Est. Priority Date: 12/03/1996
  • Status: Expired due to Term
First Claim
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1. A computer having restore capabilities for data backed up on archive media, said computer comprisinga restore application which identifies target data to be restored from said archive media and makes logical user read and write requests,an interpreter that maps said logical user read and write requests to physical block level read and write requests,a host storage driver having a disk driver interface for receiving said physical block level read and write requests from said interpreter,a host storage disk connected to be controlled by said host storage driver, said host storage driver generating disk control signals to read and write blocks of data from said host storage disk in response to said physical block level read and write requests, anda restore system having a disk driver interface to said interpreter for receiving the physical block level read requests from said interpreter, said restore system issuing instructions to read data from said archive media at a block, physical level and returning the data read from said archive media to said interpreter.

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