Patent ID: 8782343

Claim:
A system comprising: a CPU, a memory, and computer readable storage media; program instructions to determine one or more data storage technologies accessible by a file system; program instructions to determine secure delete rules for each of the one or more storage technologies accessible by the file system, wherein the secure delete rules include a number of overwrites required for data to be securely deleted from each of the one or more storage technologies; program instructions to provide the secure delete rules to the file system upon a request for deletion of the data so that the file system need only overwrite the data for each of the one or more storage technologies a specific number of times germane to securely delete the data from the one or more storage technologies; and program instructions to optimize data deletion of a file striped over a hybrid storage system by overwriting data corresponding to the file on a first storage device a predetermined number of times and overwriting the corresponding data on a second storage device a different number of times, wherein the program instructions are stored on the computer readable storage media for execution by the CPU via the memory.