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Shutdown the system
The shutdown command halts the NAS Gateway 500 system software. Any root
user login sessions or NAS administrator login sessions are sent a message of the
impending system shutdown.
Note: Do not attempt to restart the system or turn off the system before the
You can initiate the shutdown of the system using the SMIT fastpath smit
shutdown.
If you have systems clustered together and are planning to shut down one node,
and want to have files currently being served by the node being shut down to be
served by the other node in the cluster, then you need to relocate the volumes from
the node to be shut down to the other cluster node prior to the shutdown. Perform
the following steps:
1. To display the hostname of this node, enter hostname at the command prompt.
2. To display the group name of the volumes being served on this node, enter
3. Relocate the volumes to the other node in this cluster by entering clnasrelocate
4. Stop the cluster on the node being shut down by entering cldisnode -n
Changing reboot options
You can specify whether the NAS Gateway 500 system software should reboot
automatically after a system crash.
Specify whether the system should reboot after a system crash using the SMIT
fastpath smit chreboot.
Whether the system does automatically reboot is also dependent on some Service
Processor settings. Refer to the section entitled "Service Processor reboot/restart
recovery" in the IBM TotalStorage NAS Gateway 500 Advanced Configuration and
Problem Determination Guide, SC30-4073.
Setting the date and time
The system clock records the time of system events, allows you to schedule system
events (such as running hardware diagnostics at 3:00 a.m.), and tells when you first
created or last saved files. Use the date command to set your system clock. Some
of the tasks you can perform to manage the system clock include:
v "Changing and showing date and time" on page 159
v "Changing the time zone" on page 159
v "Using the ntpq command" on page 160
v "Using the ntpdate command" on page 160
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NAS Gateway 500 Administrator's Guide
shutdown completion message is displayed; otherwise file system damage
can result.
clnasshowvol -a -n hostname.
Note: Record both the host name and the group name.
-g group_name -n new_host_name.
hostname.
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