Patent ID: 7631117
Filing Date: 2009-12-08
Classification: G06F,Y02D

Abstract:
1. A communication method between a host and a storage device, the communication method comprising: transmitting, from the host to the storage device, a first instruction to perform a first processing by the storage device; the storage device communicating to the host an amount of transmitted data; based on the amount of transmitted data, determining by the host whether or not the storage device is to transmit a completion notification of the processing to the host; and transmitting, from the host to the storage device, a second instruction as to whether or not the storage device is to transmit the completion notification to the host, the second instruction being according to the determination by the host, wherein the first instruction to perform the processing, and the second instruction as to whether or not to transmit the completion notification, are included in one command when the instructions are transmitted from the host to the storage device; and wherein on the basis of an expected processing time of the first processing by the storage device estimated from the amount of transmitted data, the host determines whether or not to request the completion notification.