Method and apparatus for generating persistent path identifiers

Details Method and apparatus for generating persistent path identifiers Method and apparatus for generating persistent path identifiers

2002-10-01

2009-10-27

Ali, Mohammad (Department: 2158)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000, C707S793000

Reexamination Certificate

active

07610295

ABSTRACT:
The method and apparatus is utilized in order to generate a persistent path to a SCSI device for a host. In an embodiment, a SCSI device is queried for path information related thereto, and if path information is returned, a SCSI command requesting identifier data is issued to the SCSI device. The identifier data is used to determine a unique identifier (UID), from which is generated a UID-based device file for the SCSI device that is independent from the path information.

REFERENCES:
patent: 7069354 (2006-06-01), Pooni et al.
patent: 7165258 (2007-01-01), Kuik et al.
patent: 2003/0145041 (2003-07-01), Dunham et al.
patent: 2003/0177168 (2003-09-01), Heitman et al.

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