Patent ID: 7107332

Claim:
A storage controller comprising: a control portion connected to fabric connected to a fiber channel port contained in an upper node device, wherein the control portion passes a packet via the fabric with the upper node device; and a control table containing a node name of the upper node device, a port name of the fiber channel port, and a fiber channel port access enabled/disabled state, and when connection status of the fiber channel port was changed in the upper node device, replacement of the fiber channel port is detected by the storage controller on the basis of information notified from the fabric, and the port name of the fiber channel port in the control table is replaced with a port name of a new fiber channel port replacing the fiber channel port before the replacement, and in case that the port name of the fiber channel port before replacement was access enabled, a port name of the fiber channel after replacement is set to be access enabled in the control table, and for a newly added fiber channel port, a node name of corresponding upper node device, a port name of a fiber channel port of the newly added fiber channel port and security information in which access disabled is set are registered in the control table; and wherein said security information is added to the port name information so as to constitute the fiber channel port configuration information of the upper node device.