Fujitsu SPARC Enterprise M8000 Overview Manual page 20

Task
Normal
operation
xviii SPARC Enterprise M8000/M9000 Servers Overview Guide • August 2009
Warning
Data destruction
Confirm the items listed below before turning off the power. Otherwise,
data may be destroyed.
• All applications have completed processing.
• No user is using the equipment.
• When the main unit power is turned off, the POWER LED on the
operation panel is turned off. Be sure to confirm that the POWER LED
is off before turning off the main power (uninterruptible power supply
[UPS], power distribution box, main line switch, etc.).
If necessary, back up files before turning off the system power.
Data destruction
Do not forcibly stop a domain that is operating normally. Otherwise, data
may be destroyed.
Data destruction
Do not disconnect the power cord from the AC power input while power
is being supplied. Otherwise, data stored on hard disk units may be
destroyed.