DATA STORAGE APPARATUS, DATA STORAGE SYSTEM, METHOD AND APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a method for predicting HAMR failures by monitoring and recording various parameters specific to HAMR to predict head failures.SOLUTION: An apparatus of the present disclosure includes a controller coupled to a read/write head and configured to perform various operations. More specifically, the controller is configured to monitor an operational parameter of the read/write head and to detect a fault on the basis of the operational parameter. The fault indicates that a write enabling energy source is malfunctioning during a write operation. The controller is additionally configured, in response to the fault, to take remedial action to protect data associated with the write operation.SELECTED DRAWING: Figure 3