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System Management Guide:
Operating System and Devices
Unconfiguring Async Adapters
This section provides steps for unconfiguring async adapters.
Before you can remove or replace an async adapter, you must unconfigure
that adapter. Unconfiguring an async adapter involves the following tasks:
- Closing all applications that are using the adapter you are removing,
replacing, or moving
- Ensuring that all devices connected to the adapter are identified and
stopped
- Listing all slots that are currently in use or a slot that is occupied
by a specific adapter
- Identifying the adapter's slot location
- Making parent and child devices unavailable
- Making the adapter unavailable
To perform these tasks, you must log in as root user.
For additional information, see PCI Hot Plug Management in the AIX 5L Version 5.2 System Management Concepts: Operating System and Devices.
Unconfiguring Async Adapters
Before you can replace or remove an async adapter, you must unconfigure
the adapter and all the devices controlled by that adapter. To unconfigure
the devices, you must terminate all the processes using those devices. Use
the following steps:
- Close all applications that are using the adapter you are unconfiguring.
- Type lsslot-c pci
to list all the hot plug slots in the system unit and display their characteristics.
- Type lsdev -C -c tty
to list all available tty devices and the current
state of all the devices in the system unit. For additional information,
see Removing a TTY in the AIX 5L Version 5.2 Asynchronous Communications Guide.
- Type lsdev -C -c printer to list all printer and plotter devices connected to the adapter.
For additional information, see Printers, Print Jobs,
and Queues for System Administrators in the AIX 5L Version 5.2 Guide to Printers and Printing.
- Use the rmdev command to make the adapter
unavailable.
Attention: Do not use the -d flag with the rmdev command for hot plug operations
because this will cause your configuration to be removed.
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