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System Management Guide: Operating System and Devices
This section provides steps for unconfiguring SCSI, SSA, and Fibre Channel
Before you can remove or replace a storage adapter, you must unconfigure
that adapter. Unconfiguring a storage adapter involves the following
- Closing all applications that are using the adapter you are removing,
replacing, or moving
- Unmounting file systems
- Ensuring that all devices connected to the adapter are identified and
- 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 5.1 System Management
Concepts: Operating System and Devices.
Storage adapters are generally parent devices to media devices, such as
disk or tape drives. Removing the parent requires that all attached
child devices either be removed or placed in the define state.
To unconfigure SCSI, SSA, and Fibre Channel Adapters:
- Close all applications that are using the adapter you are
- Type lsslot-c pci to list all the hot plug
slots in the system unit and display their characteristics.
- Type lsdev -C to list the current state of all the devices in the system unit.
- Type umount to unmount previously mounted
file systems, directories, or files using this adapter. For additional
information, see Mounting or Unmounting a File System in the AIX 5L Version 5.1 System Management
Guide: Operating System and Devices.
- Type rmdev -l adapter -R to make the
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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