Memory controller for stoarge device, stoarge device, control method for storage device, and recording medium

A control method of a storage device wherein a host cannot transfer a command to the storage device when the storage device transfers data to the host, after which there is a data transfer delay time period and no data is transferred to the host until a read command is received from the host, the control method comprising the steps of: detecting, by a memory controller of the storage device, a host delay time of the host each time a read command is received from the host during the data transfer delay time period; and adjusting, by the memory controller, the data transfer delay time period based on one or more of the detected host delay times.