Patent ID: 7568132
Filing Date: 2009-07-28
Classification: G06F,H04L

Abstract:
1. A network storage system comprising: a file server unit for exchanging data with computers through a network; a storage control unit for controlling the input/output of data relative to the file server unit; and a data storage medium for storing the data controlled by the storage control unit; wherein the file server unit has a function for detecting a fault and for transmitting data related to the fault to the storage control unit while specifying a predetermined logic unit of the storage control unit; and wherein the storage control unit comprises: a faulty part management table; a function for storing the data related to the fault transmitted from the file server unit in the faulty part management table separately from the data exchanged with the computers; a function for detecting a fault other than the fault from the file server unit and for storing it in the faulty part management table; and a function for transmitting the whole or part of the content in the faulty part management table to an external unit.