Methods for dynamic servo optimization based on tape position

A tape drive, comprising:

• a take-up reel and a cartridge reel configured to have a tape coupled thereto;
• a tape head configured to write data to and read data from the tape;
• a first actuator;
• a second actuator, the first and second actuators each being configured to actuate the tape head;
• and
• a processor coupled to the tape head, the processor comprising servo controller parameters, wherein the processor is configured to:
• perform a reel rotation per minute (RPM) disturbance profile identification detecting one or more disturbance points in a frequency domain of position error signal (PES) along a length of a tape;
• partition the tape longitudinally into a plurality of zones based on a size of a peak filter array, wherein one peak filter in the peak filter array corresponds to one zone;
• create data write gaps at the boundaries between each of the zones;
• and
• update the servo control parameters when the tape head crosses each boundary when writing data to or reading data from the tape, the updated servo control parameters being based on the peak filter array and a longitudinal position (LPOS) of the disturbances.

A tape drive, comprising:

• a take-up reel and a cartridge reel configured to have a tape coupled thereto;
• a tape head configured to write data to and read data from the tape;
• a first actuator;
• a second actuator, the first and second actuators each being configured to actuate the tape head;
• and
• a processor coupled to the tape head, the processor comprising servo controller parameters, wherein the processor is configured to:
• perform a reel rotation per minute (RPM) disturbance profile identification detecting one or more disturbance points in a frequency domain of position error signal (PES) along a length of a tape;
• acquire exact information of the disturbance points by applying a filter;
• acquire a longitudinal position (LPOS), frequency, and magnitude of the one or more disturbance points to create an updated disturbance profile identification;
• use the updated disturbance profile identification to create a peak filter array;
• use the peak filter array to assist in instructing one or more of the first actuator and the second actuator that are configured to move the tape head, to adjust a disturbance compensation to match a frequency and an amplitude of a disturbance during a read operation or a write operation;
• partition the tape longitudinally into a plurality of zones based on a size of the peak filter array;
• create data write gaps at the boundaries between each of the zones;
• and
• update the servo control parameters when the tape head crosses each boundary when writing data to or reading data from the tape, the updated servo parameters being based on the calculated peak filter array.