DATA STORAGE DEVICE DEFERRED SECURE DELETE
1 Assignment
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Accused Products
Abstract
A method of securely deleting data from a data storage device is described. The method includes the steps of receiving a secure delete command to securely delete a file. A data block of the file to securely delete is identified. A pointer to the data block is stored in a deletion buffer. It is then determined whether the secure delete command has a highest priority over other data storage device commands. In response to the secure delete command having the highest priority, the secure delete command to the data block is performed.
13 Citations
20 Claims
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1-10. -10. (canceled)
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11. A data storage device, comprising:
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a persistent storage; a deletion buffer to store a pointer to a block of data; and a controller configured to; receive a secure delete command to securely delete a file; identify a data block of the file to securely delete; store a pointer to the data block in a deletion buffer; determine whether the secure delete command has a highest priority over other data storage device commands; and perform the secure delete command to the data block in response to the secure delete command having the highest priority. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification