Patent ID: 6611392
Filing Date: 2003-08-26
Classification: G11B

Abstract:
A magnetic disk device comprising:a driving means that includes a magnetic disk and that drives said magnetic disk; a reading/writing means for reading or writing data, that includes error detecting means; a positioning means for determining the position of said reading/writing means on said magnetic disk; an interface control means for communicating with a host computer; a command queue for storing commands received in said interface control means; a load detecting means for detecting a load level of the interface control means by determining a total number of commands stored in said command queue and reading a load level corresponding to the total number of commands from a table that associates load levels with numbers of commands stored in said command queue; a retry table storing contents of retry processes that correspond to respective load levels; and executing means for fetching and executing a command from said command queue, and when retry of said command is necessary, performing said retry in accordance with at least a portion of a retry process corresponding to a load level detected by said load detecting means.