EMC VNX Series Installation And Operation Manual page 11

Powering down a DC-powered VNX series system
With the following exceptions
power as you would an AC system (documented on the EMC online support website
at:
http://mydocs.emc.com/VNX/)
After you stop all I/O activity to the storage system and, if necessary, unmount the file
systems:
VNX5100,
◆
VNX5300, and
VNX5500
Figure 6 DC power buttons —DPE
VNX5200,
◆
VNX5400,
VNX5600
To turn off disk processor enclosure power, push the power button on each power
supply and hold the button in for two seconds. Refer to
DPE power button (2)
Allow the power supply to complete its shutdown sequence before removing the
power source. An orderly shutdown that flushes all cache can take up to several
seconds before the host sends a STOP to the power supply. We recommend that
wait two minutes before removing a power supply
you
Remove the power cords from the DPE power supplies.
DC-Powered VNX™ Series Enclosures Installation and Operation Guide
Cabling DC power and powering the system up and down
, you power down VNX series storage systems with DC
Figure 6.
from the DPE chassis.
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