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Network Installation Management Guide and Reference
Booting in Maintenance Mode
If you need to perform maintenance on a
standalone machine that is not part of the NIM environment, the system must be
booted from a bootable tape or CD-ROM. This may require connecting an external
device. If the machine is part of a NIM environment, you can enter maintenance
mode directly by enabling the maint_boot operation for a NIM standalone
machine.
From Web-based System Manager
- From the NIM container, select a target standalone machine you want to
enable for maintenance boot.
- From the Selected menu, select Troubleshooting > Enable
Maintenance Boot.
- Use the dialog to select a SPOT resource from which to boot.
From SMIT
Initiating the maint_boot Operation from
the Client
- Enter the smit nim_client_op
fast path.
- Select the maint_boot operation.
- Select the SPOT to be used for the
operation.
- Press Enter to enable the client for
maintenance boot.
Initiating the maint_boot Operation from the
Master
- Enter the smit nim_mac_op fast
path.
- Select the client's machine object.
- Select the maint_boot operation.
- Select the SPOT to be used for the
operation.
- Press Enter to enable the client for
maintenance boot.
From the Command Line
To issue the maint_boot operation
from the client, enter:
nimclient -o maint_boot -a
spot=SPOTNAME
To issue the maint_boot operation from
the master, enter:
nim -o maint_boot -a spot=SPOTNAME
CLIENT
To verify that the maintenance boot operation
worked:
- On the client, enter:
nimclient -l -l ClientMachineObjectName
- On the master, enter:
lsnim -l ClientMachineObjectName
If the operation was successful, the client's
Cstate output will look similar to the following:
Cstate = maintenance boot has been
enabled
For the machine to boot into maintenance mode,
follow the procedure for issuing the BOOTP request from the client. See Booting a Machine Over the
Network
for more information about
initiating a BOOTP request.
Using Maintenance Mode
After successfully booting and defining
the console, the System Maintenance menu is displayed. The maintenance menu
options and their descriptions are described below. Detailed information about
maintenance mode can be found in the AIX Version 4.3 Installation Guide.
Access a Root Volume Group |
This option allows you to activate the root volume group and start
the maintenance shell with a full set of commands. |
Copy a System Dump to Removable
Media |
This option allows you to copy a previous system dump to external
media. |
Access Advanced Maintenance
Function |
This option allows you to start a maintenance shell with a limited
set of commands. |
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