Granted Patent B2

US 7,230,929 · App. 10/200,393 · Granted Jun 12, 2007

Abstract

Claims (13)

1. A method for processing principal switch selection events in a fibre channel system using a multi-module fibre channel switch, comprising:

determining if exchange fabric parameters have been received by a switch module;

determining if domain identification values have been received by the switch module;

sending domain identification values to all internal ports;

operating as a non-principal switch if the switch module is also a primary blade;

determining if a F_S_TOV timer has expired if no domain identification value is received; and

operating as the principal switch if the switch module is a primary blade and the F_S-TOV timer has expired.

2. A method for processing principal switch selection events in a fibre channel system using a multi-module fibre channel switch, comprising:

determining if exchange fabric parameters have been received by a switch module;

determining if domain identification values have been received by the switch module;

sending domain identification values to all internal ports;

operating as a non-principal switch if the switch module is also a primary blade; and

assigning the switch module as a non-primary blade if the domain identification value is received by the switch module and the switch module is not a primary blade.

Assignments (8)