Example of shredding data on flash drives

In this sample configuration, the flash drive capacity is 400 GB, the RAID configuration is 3D+1P, and the LDEV capacity is 440 GB.

Procedure

  1. Calculate the number of shredding operations.

    [(400 × 3) × 2] / 440 = 5.45 = six times

    Round up the value (5.45) to the nearest whole number. You need to overwrite the data six times.

  2. Define the shredding settings.

    Refer to Defining shredding conditions, enter the dummy data 00 in the text box and add a row to the Data Pattern (User Setting) list (add rows for performing the shredding operation six times).

  3. Erase the volume data.

    Refer to Defining shredding conditions and execute the shredding operation.

  4. Repeat steps 2 and 3 using the dummy data FF.

  5. Repeat steps 2 and 3 using the dummy data 00.

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