SCSI controller with target status retrieval

Details SCSI controller with target status retrieval SCSI controller with target status retrieval

1994-03-29

2000-06-13

Rinehart, Mark H.

Electrical computers and digital processing systems: multicomput

Remote data accessing

G06F 1338, G06F 1517

Patent

active

060761024

ABSTRACT:
An improved SCSI controller provides a logical connection between a pluray of host processors using a single SCSI initiator. The controller contains removable host adapters for connection to any type of host processor interface. When a host processor requests status information of a target device, that status information is passed to the requesting processor and subsequently stored in the controller and made available to all other host processors. The advantage to such a controller is the expanded number of host processor connections to a single SCSI initiator whereby each host processor can independently and logically connect through the controller and SCSI initiator to a target without clearing target status information for other host processors. The invention is particularly advantageous when adapted to function in a local area network (LAN) arrangement where a significant number of host processors are requesting data from one mass storage device.

REFERENCES:
patent: 4783730 (1988-11-01), Fischer
patent: 4864532 (1989-09-01), Reeve et al.
patent: 5471634 (1995-11-01), Giorgio et al.
ANSI X3.131-1986, pp. 26, 51-71, 80-82, 185-186, 194-199, 208-209.

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