How to halt the VNX for file / nas server ?

To halt the VNX for file server, type:
# /nasmcd/sbin/nas_halt now
ARE YOU SURE YOU WANT TO CONTINUE? [ yes or no ] :
# yes
Sending the halt signal to the Master Control Daemon…: Done
.
.
Halting system…
flushing ide devices: hda hdd
Power down.
It can take as long as 20 minutes to halt the server, depending on the configuration of the
VNX. Wait until the command completes before continuing. If the Control Station halted
successfully, the HyperTerminal session will be unresponsive.
If the Control Station restarts after the nas_halt command, then go to step 6. If the Control
Station has halted successfully, then go to the next step to restart the Control Station.

Verify the shutdown of the blades:

Wait for 5 minutes, and then log in as root at the login prompt. Then verify the shutdown of
the blades by running the following command:
# /nasmcd/sbin/getreason
Sample output for a four blade configuration:
6 – slot_0 primary control station
– slot_2 powered off
– slot_3 powered off
– slot_4 powered off
– slot_5 powered off

Run the following command to halt the Control Station:

# /sbin/halt
Sample Output:
# /sbin/halt
Broadcast message from root (ttyS1) (Tue 7 13 10:05:55 2012):
The system is going down for system halt NOW!
INIT: Stopping HAL daemon: [OK]
Stopping system message bus: [OK]
……..
……..
Halting system…
md: stopping all md devices.
md: md0 switched to read-only mode.
Shutdown: hda
System halted

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