A kind of data managing method and data storage device

A kind of data managing method and data storage device

  • CN 101,937,376 B
  • Filed: 06/30/2009
  • Issued: 03/30/2016
  • Est. Priority Date: 06/30/2009
  • Status: Active Grant
First Claim
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1. a data managing method, is applied in a memory storage, and described memory storage is applied to one and has in the electronic equipment of hard disk, comprises the first storage unit, and for storing the first data, described first storage unit can preserve described first data when powering, second storage unit, be connected with described first storage unit, for storing the second data, described second storage unit all can preserve described second data when power supply or power-off, it is characterized in that, described first storage unit and described second storage unit become one and are packaged together, described electronic equipment has a data circuit plate, described data circuit plate is provided with the first storage unit, first storage unit interface and the second storage unit, described second storage unit is directly connected with described first storage unit by special data channel, described first storage unit and described second storage unit distribution are in described data circuit plate one or both sides, the capacity of described second storage unit is more than or equal to the capacity of described first storage unit, the data rate of described first storage unit and described hard disk is less than the data rate of described first storage unit and described second storage unit, wherein, described first storage unit comprises multiple basic unit of storage, described second storage unit comprises multiple basic unit of storage, has one-to-one relationship between the basic unit of storage of described first storage unit and the basic unit of storage of described second storage unit, wherein, described one-to-one relationship comprises that position is corresponding with position, byte is corresponding or module is corresponding with module with byte, the method comprises:

  • Before described first storage unit power-off, by described first data by described special data channel image copying to position corresponding to described second storage unit, described second data of preserving in described second memory after making power-off at least comprise described first data;

    Close described electronic equipment, cut off the power supply of each parts of described electronic equipment;

    Wherein, each parts of described electronic equipment at least comprise described first storage unit and described second storage unit;

    When described first storage unit is again or when restoring electricity, by described first data of preserving in described second storage unit by described special data channel image copying to position corresponding to described first storage unit.

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