Two-way raid controller with programmable host interface for a semiconductor storage device

A redundant array of independent disks (RAID) controller with programmable host interface for a semiconductor storage device (SSD), comprising:

• a plurality of sets of RAID equipment, each of the plurality of RAID equipment comprising a programmable host interface, a disk controller, a high speed host interface, a programmable disk mount, a disk monitoring unit, and a disk plug and play controller;
• a set of control equipment coupling the plurality of sets of RAID equipment to one another, the set of control equipment comprising a hardware host connect, an adaptive host interface controller, a host connect controller, a two-way RAID controller, a disk connect controller, and a hardware disk connect, wherein the two-way RAID controller is directly coupled to the host connect controller, a disk connect controller, a first disk controller of a first set of RAID equipment, and a second disk controller of a second set of RAID equipment, respectively, and wherein the two-way RAID controller receives signals from at least two disk controllers corresponding to at least two of the plurality of sets of RAID equipment, analyzes status of the at least two disk controllers, selects a data path among data paths of the plurality of sets of RAID equipment, and issues control signals to the host connect controller and the disk connect controller such that the host connect controller and the disk connect controller perform data transmission via the selected data path accordingly;
• and
• a set of SSD memory disk units coupled to the hardware disk connect, the set of SSD memory disk units comprising a set of volatile semiconductor memories.

A method for forming redundant array of independent disks (RAID) controller with programmable host interface for a semiconductor storage device (SSD), comprising:

• providing a first set of RAID equipment comprising a first programmable host interface, a first disk controller, a first high speed host interface, a first programmable disk mount, a first disk monitoring unit, and a first disk plug and play controller;
• providing a second set of RAID equipment comprising a second programmable host interface, a second disk controller, a second high speed host interface, a second programmable disk mount, a second disk monitoring unit, and a second disk plug and play controller;
• and coupling the first set of RAID equipment to the second set of RAID equipment using a set of control equipment, the set of control equipment comprising a hardware host connect, an adaptive host interface controller, a host connect controller, a two-way RAID controller, a disk connect controller, and a hardware disk connect, wherein the two-way;
• RAID controller is directly coupled to tee host connect controller, the disk connect controller, the first disk controller, and the second disk controller, respectively, and wherein the two-way RAID controller receives signals from the first disk controller and the second disk controller, analyzes status of the two disk controllers, selects a data path between a data path of the first set of RAID equipment and a data path of the second set of RAID equipment, and issues control signals to the host connect controller and the disk connect controller such that the host connect controller and the disk connect controller perform data transmission via the selected data path accordingly;
• and
• coupling a set of SSD memory disk units coupled to the hardware disk connect, the set of SSD memory disk units comprising a set of volatile semiconductor memories.