A-13
Theory of Controller Operation
and
illustrate the active-passive mode
logical functions when the controllers are functioning in a normal
condition and then in a failed condition.
Figure A-8 Active-Passive, Dual-Port, Controller 1 Active
Figure A-9 Active-Passive, Dual-Port, Controller 1 Failed
Host System #1
or Host System #2
HBA#2
Host System #1
HBA#1
Termination
Termination
Termination
Termination
Termination
Host System #1
or Host System #2
HBA#2
Host System #1
HBA#1
Termination
Termination
Termination
Termination
Termination
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