Patent ID: 8090789
Filing Date: 2012-01-03
Classification: H04L

Abstract:
1. A method for transferring data between a host computer/server and a bank of disk drives through a system interface, such system interface having a plurality of storage processors, one portion of the storage processors having a user data port coupled to the host computer/server and another portion of the storage processors having a user data port coupled to the bank of disk drives, the method comprising: passing packets of user data between the plurality of storage processors via a packet switching network coupled to the plurality of storage processors, each one of the plurality of storage processors comprising: placing the descriptors on one or more request rings each one of the descriptors being associated with a corresponding one of a plurality of user data I/O transfers, and wherein the ring manager: programming the selected one of the data pipes in accordance with the retrieved descriptors to control the flow of the user data associated with the corresponding user data I/O transfer passing through such selected one of the data pipes.