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The -y and -n are optional arguments that take effect only if the setbus command displays a confirmation message such as the one shown below. The -y argument supplies an automatic affirmative response to the confirmation message. The -n argument supplies an automatic negative response.
If changing the configuration on the chosen expander requires changing the configuration on additional expanders, setbus displays the following prompt:
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The expander board in position location communicates with expanders not already listed, and will be added to the list of boards to reconfigure.
Are you sure you want to continue the reconfiguration? (yes/no)?
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Additionally, setbus resets any boards that are powered on but not active. Any attach-ready state is lost. To bring the boards back to an attach-ready state refer to the System Management Services (SMS) 1.4 Dynamic Reconfiguration User Guide.
Note – If you have degraded all expanders to one CSB you cannot un-degrade a single expander; you must set them all at the same time, otherwise setbus fails.The following options are supported
- -b buses
- Specifies which buses to configure. There are three buses to configure. Valid buses are:
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a
- Configures the address bus.
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d
- Configures the data bus.
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r
- Configures the response bus.
The default is to configure all three buses.
- -c csb
- Specifies which CSB(s) to use.
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CS0
- Configures the hardware to use CS0 (degraded mode).
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CS1
- Configures the hardware to use CS1 (degraded mode).
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CS0,CS1
- Configures the hardware to use both CSBs (normal mode).
- -h
- Help. Displays usage descriptions. Note – Use alone. Any option specified in addition to -h is ignored.
- -n
- Automatically answers no to any prompt displayed by the setbus command.
- -q
- Quiet. Suppresses all messages to stdout including prompts.
When used alone -q defaults to the -n option for all prompts.
When used with either the -y or the -n option, -q suppresses all user prompts and automatically answers with either 'y' or 'n' based on the option chosen.
- -y
- Automatically answers yes to any prompt displayed by the setbus command.
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