An error caused by a hardware failure or by accessing incompatible hardware; also, any error that prevents a program from continuing an operation.
An uncorrectable data error.
An error that is repeatable every time the same area on a disk is accessed.
An error that is repeatable in the same track and sector location
A hard error is an error caused by a permanent physical defect in the memory system.
An error which is uncorrectable by a given error detection and correction system
A data error that persists when the disk is reread, usually caused by defects in the physical surface.
A physical defect in the drive. May be caused by an indentation, foreign contamination (e.g., a dust or smoke particle), or an absence of magnetic material on a surface of a drive. A hard error cannot be recovered.