Patent ID: 8862817
Filing Date: 2014-10-14
Classification: G06F

Abstract:
1. A hybrid storage system, comprising: a first RAID controller directly connected with a system control board; a double data rate semiconductor storage device (DDR SSD) module coupled to the first RAID controller, the DDR SSD module comprising a set of DDR SSD units; a first switch external to the system control board and coupled to the system control board; a second RAID controller directly connected with the first switch such that the second RAID controller is indirectly connected with the system control board via the first switch; a hard disk drive (HDD) module coupled to the second RAID controller, the HDD module comprising a set of HDD/Flash SDD units; a second switch external to the system control board and coupled to the system control board; and a communications module coupled to the second switch; wherein the first RAID controller and the second RAID controller each comprises a parity and cache control component, a RAID controller CPU, and a battery module; and wherein the parity and cache control component is directly coupled to the RAID controller CPU and the battery module is directly coupled to the parity and cache control module.