Method and apparatus for ensuring writing integrity in mass storage systems

A data storage apparatus, comprising:

• a storage media adapted to store data;
• a source media adapted to read data;
• and
• a controller adapted to receive write commands, read data from the source media, and write data to the storage media;
• wherein the controller is adapted to manage at least one queue of a plurality of verification tasks, each of the verification tasks associated with a data portion read from the source media and written to the storage media;
• wherein the controller is adapted to execute each verification task associated with the data portion in accordance with the queue;
• and
• wherein the controller is adapted to identify each datum of the data portion as one of faulty and not faulty in accordance with the verification task.

A device adapted to execute a method for ensuring integrity of data written by a controller and stored on a disk drive, the device comprising:

• a managing arrangement adapted to manage at least one queue associated with the disk drive, the queue including a plurality of verification tasks, each verification task being associated with a data portion of the data;
• a performing arrangement adapted to perform each verification task in accordance with the queue;
• an identifying arrangement adapted to identify each datum of the data portion as one of faulty and not faulty in accordance with the verification task;
• and
• a repairing arrangement adapted to repair each datum identified as faulty.

A computer-readable storage medium containing a set of instructions for a computer, the set of instructions comprising:

• managing at least one queue associated with the disk drive, the queue including a plurality of verification tasks, each verification task being associated with a data portion;
• performing the verification task associated with the data portion in accordance with the queue;
• identifying each datum of the data portion as one of faulty and not faulty in accordance with the verification task;
• and
• repairing each datum identified as faulty.

A method for ensuring integrity of a data portion written by a controller and stored on a disk drive, the method comprising:

• flagging with at least one scrubbing flag at least one data partition of the disk drive;
• scanning the disk drive for the scrubbing flags;
• assigning at least one verification task to the data partition flagged with the scrubbing flag;
• executing the verification task assigned to the data partition;
• and
• identifying each datum of the data portion as one of faulty and not faulty in accordance with the verification task.