Patent ID: 7162593
Filing Date: 2007-01-09
Classification: G06F

Abstract:
1. A storage system comprising: a first interface to be coupled to a host computer sending I/O instructions; a second interface to be coupled to a console sending management instructions; a plurality of storage devices including a data storing area for storing data write accessible by the I/O instructions from the host computer via the first interface and a log storing area for storing log information associated with the management instructions received from the console via the second interface, the log storing area being different from the data storing area; and a storage controller, coupled to the first interface, the second interface and the plurality of storage devices, that conducts I/O operations based on the I/O instructions received from the host computer and attribute information of the data storing area stored in a memory; wherein the storage controller further conducts volume management operations to change the attribute information of the data storing area in the memory based on the management instructions received from the console and records the log information associated with the received management instructions in the log storing area, the log information including descriptions of the volume management operations based on the received management instructions.