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Automatically triggered snapshot data dump for storage unit with embedded system

  • US 7,418,635 B2
  • Filed: 01/25/2005
  • Issued: 08/26/2008
  • Est. Priority Date: 01/25/2005
  • Status: Expired due to Fees
First Claim
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1. A computer system with data backup, comprising:

  • a data backup removable media drive system for backing up data of the host computer to which the drive system is connected;

    read/write hardware for reading and writing data from and to a removable storage media of the drive system;

    an embedded application computer of the drive system comprising a firmware memory which stores firmware, and a data memory which stores data;

    a snapshot dump system of the drive system comprising an error trigger detector system which detects errors, and a snapshot dump initiator responsive to the trigger detector system;

    a non-volatile snapshot dump memory receiving information from memory locations stored at a time at which said error is detected; and

    said error trigger detector system comprising a hard error trigger detector wherein a current operation is terminated but new commands are accepted, a soft error trigger detector which detects a problem level which is not as high as for the hard error trigger detector, and a firmware trigger detector where the drive system stops.

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