Patent ID: 8817592
Filing Date: 2014-08-26
Classification: G06F,H04L

Abstract:
1. A storage device communicably connected to a host through a network switch on a network, the storage device comprising: a disk array having a storage medium storing data; and a plurality of controller units each having a port for connection to the network and controlling I/O process for the disk array, wherein a first controller unit among the plurality of controller units is configured to carry out a first setting for the network switch to send, to the first controller unit, first packets sent by the host to a second controller unit among the plurality of controller units as well as to carry out a second setting for the network switch to let the host regard at least part of second packets sent by the first controller unit to the host as being sent by the second controller unit, and wherein the first setting includes: a rule for detecting such a packet whose destination MAC address matches a MAC address of the second controller unit and whose Destination_ID in a FC header matches a N_Port_ID of the second controller unit; and an action for rewriting the destination MAC address of the packet.