Command switching for multiple initiator access to a SATA drive

Details Command switching for multiple initiator access to a SATA drive Command switching for multiple initiator access to a SATA drive

2006-09-05

2010-06-15

Tsai, Henry W. H. (Department: 2184)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral adapting

C360S044000, C365S070000

Reexamination Certificate

active

07739432

ABSTRACT:
A multi-port switch and a method of command switching using such a switch. Multiple virtual targets provide multiple hosts with access to the physical target device attached to the target interface of the switch. The switch intelligently dispatches operations received by the virtual targets to the physical storage target device to provide shared access. In doing so, the communication between the switch and the physical target can fully comply with the SATA protocol without the physical target being aware that the operations have originated from multiple physical hosts, and without the multiple physical hosts being aware of the shared nature of the physical SATA target device.

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