Electrical computers and digital data processing systems: input/ – Input/output data processing – Input/output access regulation
Reexamination Certificate
2005-11-22
2005-11-22
Huynh, Kim (Department: 2182)
Electrical computers and digital data processing systems: input/
Input/output data processing
Input/output access regulation
C710S074000
Reexamination Certificate
active
06968401
ABSTRACT:
A path control module manages a set of primary paths and a set of standby paths for a target device. When a path in the set of primary paths fails, the path control module may failover to the set of standby paths. Alternatively, when a path in the set of primary paths fails, the path control module may failover that path to a single path from the set of standby paths. The sets of primary paths and standby paths may be set by an administrator to control load balancing of resources in the storage area network. The primary set of paths for a first disk may be the standby set of paths for a second disk. Similarly, the primary set of paths for the second disk may be the standby set of paths for the first disk.
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patent: 2004/0172636 (2004-09-01), Do et al.
http://www.emc.com/products/software/powerpath.jsp, Power Path, “The Big Picture”, Mar. 26, 2003, p. 1.
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Barnett, IBM, Multi-path I/O for AIX 5L Version 5.2, white paper, pp. 1-13.
McBrearty Gerald Francis
Schwendiman Chris Alan
Dawkins Marilyn Smith
Huynh Kim
Kim Harold
Tkacs Stephen R.
Yee Duke W.
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