Patent ID: 7640366
Filing Date: 2009-12-29
Classification: G06F

Abstract:
1. A storage controller comprising: a plurality of storage devices, each storage device having a storage medium, data stored in the storage medium being capable of accessing by a host device; a plurality of access control devices operatively provided for respective ones of the plurality of storage devices individually, each access control device functioning a serial communication unit that performs access-related data transfers between the host device and the access control device specified by the host device in order to execute the control step units, the access-related data including at least the primary control command and the status as transfer elements, using serial communications according to a format of polling the plurality of access control devices, and that performs a process to transfer a set of transfer elements including the access-related data for control step units targeting different access control devices according to a format that allows the transfer elements in the set to be mixed chronologically.