Patent attributes
A storage apparatus in which a controller reads out a port status of a switch in a short period of time is disclosed. The storage apparatus includes a switch and a plurality of storage controllers configured to communicate with each other through the switch. The switch includes a switch processor, a plurality of data ports, a switch integrated circuit, a memory, and a management interface. One of the plurality of data ports and a management port of the management interface are connected to each other. The switch processor stores a status of the plurality of data ports acquired from the switch integrated circuit into the memory. The plurality of storage controllers access the management interface through the plurality of data ports and the management port and receive the statuses of the plurality of data ports stored in the memory from the management interface.