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Troubleshooting 18-3
Maintenance mode boot (5) Use Maintenance mode boot to go into
Maintenance mode and perform some volume and disk operations and get
detailed volume and disk information. Maintenance mode is special for the
following reasons:
Most normal functions, including file-system operations, are disabled.
A limited set of commands is available for diagnosing and repairing disk
and volume problems.
You exit Maintenance mode with the
halt
command.
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Complete the following steps to restart your filer if it shuts down unexpectedly:
1. Write down the messages displayed on the console and the message on the
LCD, if your filer has an LCD.
2. If the console is...
Then...
Showing the
mon>
prompt Enter
b
(for boot) to reboot the filer.
Showing the
ok
prompt Enter
boot
to reboot the filer.
Unresponsive Reset the filer by turning it off, leaving it off for 30 seconds,
and turning it back on.
Results: The filer boots and displays the system prompt on the console.
3. If the filer still does not boot, display the boot menu from diskette, as described
in Booting From System Boot Diskette, then choose Normal Boot.
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The filer performs a number of checks to ensure that the NVRAM contents are consis-
tent. If the contents are inconsistent, the filer performs one of following actions:
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If the inconsistency is due to a failure to update a volume properly, the filer displays a
message suggesting that you halt the filer with the
halt
command, take the offend-
ing volume off-line in Maintenance mode, and reboot the filer.