Method and apparatus for identifying multiple paths to...

Details Method and apparatus for identifying multiple paths to... Method and apparatus for identifying multiple paths to...

2007-02-20

2007-02-20

Peyton, Tammara (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output access regulation

C710S001000, C710S033000, C710S072000, C710S074000, C710S301000, C710S316000, C714S002000

Reexamination Certificate

active

10865881

ABSTRACT:
A method, by which a user mode application obtains all physical paths that point to a logical unit on a newly-discovered small computer system interface (SCSI) device, may include: sending an input output control command to a kernel component regarding future discovery of any SCSI device; awaiting discovery of a new SCSI device; awaiting generation, by the kernel component, of a unique identifier (UID) and at least one set of physical path information mapping thereto for a logical unit on the newly-discovered SCSI device; and receiving, from the kernel component, the UID and the at least one set of physical path information mapping thereto for the logical unit of the newly-discovered SCSI device.

REFERENCES:
patent: 6047332 (2000-04-01), Viswanathan et al.
patent: 6393535 (2002-05-01), Burton et al.
patent: 6396810 (2002-05-01), Hebel
patent: 6529992 (2003-03-01), Thomas et al.
patent: 6629189 (2003-09-01), Sandstrom et al.
patent: 7080140 (2006-07-01), Heitman et al.

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