A data processing system may include: a memory system including an error history region, the memory system suitable for storing in the error history region, error history data related to an internal error, and a host suitable for obtaining the error history data from the memory system by providing the memory system with an error history read command, performing failure analysis of the memory system on the basis of the obtained error history data, and controlling the memory system to clear at least a portion of the error history region by providing the memory system with an error history clear command, wherein the error history region is a memory region that is not able to be accessed with a logical address used by the host.