Patent ID: 9323705
Filing Date: 2016-04-26
CPC Classification: G06F

Claim Text:
1. An input output (IO) control device that connects a plurality of devices with each other, the IO control device comprising: a plurality of ports to which the plurality of devices are connected; a control unit that controls the plurality of ports; a storage unit that holds a status of each of the plurality of ports; and a switch unit that connects the plurality of ports with each other based on each status held in the storage unit, wherein the control unit collects a log of a collection target port designated by a log collection instruction among the plurality of ports when the log collection instruction is received from any one of the plurality of devices through a first port to which the corresponding device is connected among the plurality of ports, the collection target port sets information representing busy to the storage unit as a status corresponding to the collection target port when a log collection period of time in which the control unit collects a log starts, and the switch unit refers to the status corresponding to the collection target port held in the storage unit when there is a connection request from a port other than the collection target port to the collection target port, and transmits a busy response to the second port when the information representing busy is set to the status.