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Self-testing data storage devices and methods

  • US 9,972,403 B2
  • Filed: 04/10/2015
  • Issued: 05/15/2018
  • Est. Priority Date: 11/07/2014
  • Status: Active Grant
First Claim
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1. A method of testing a data storage system in an archival state, the method comprising:

  • powering a diagnostic controller of the data storage system with a power source of the storage system, wherein the data storage system is configured to be connected to a computing device;

    detecting, by the diagnostic controller, a trigger event;

    performing, by the diagnostic controller and based on detection of the trigger event, a test on the data storage system; and

    determining a result of the test;

    wherein the diagnostic controller is separate from the computing device;

    wherein detecting the trigger event includes receiving, by the diagnostic controller, a feedback signal from a detection circuit of the data storage system;

    wherein the feedback signal is indicative of a sensed physical characteristic associated with the data storage system;

    wherein the sensed physical characteristic includes at least one of a temperature, a humidity, a motion, or a magnetic field; and

    wherein the test on the data storage system is a diagnostic test including a functional test of movement of at least one of a motor or a head assembly of the data storage system.

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