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Providing A Capacitor-based Power Supply To Enable Backup Copying Of Data From Volatile Storage To Persistent Storage

  • US 20100080057A1
  • Filed: 10/01/2008
  • Published: 04/01/2010
  • Est. Priority Date: 06/16/2008
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a volatile storage;

    a persistent storage;

    a capacitor-based power supply; and

    a controller, coupled to the capacitor-based power supply, to;

    detect interruption of main power,in response to detecting the interruption of main power, begin backup copying of data from the volatile storage to the persistent storage,after beginning the backup copying of data, check whether the main power has resumed prior to depletion of the capacitor-based power supply andin response to detecting that main power has resumed prior to depletion of the capacitor-based power supply, resume operation using content of the volatile storage without restoring data from the persistent storage.

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