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Blancco LUN Eraser includes an overwriting method (number 50 can used for handling compressed data. Some ) which is designed to handle compressed data by performing an aperiodic random overwrite this prevents high-end SAN systems include which apply automatic compression of data . An from compressing the erasure pattern.

The use of an aperiodic random overwrite method will result in an increased erasure time due to the increased level of complexity when using this method compared to an erasure standard which is based on writes a single character overwrite will therefore be compressed and the overall speed of the erasure will be significantly reduced.