3. Verify the POWER LED on the front of the storage system changes from green to
amber.
4. To stop the power supply, remove the power cables from the power supply units on
the controller chassis and drive box.
If the storage system is connected to a PDU, you can stop the power supply by
turning o the PDU breaker.
Note: If the storage system does not receive power for more than six
months, the battery can become discharged and possibly damaged. To
avoid this situation, charge the battery for more than three hours at
least once every six months.
Storing the storage system
If the storage system does not receive power for more than six months, the battery can
become discharged and possibly damaged. To avoid this situation, charge the battery for
more than three hours at least once every six months.
Note: Do not store the equipment in an environment with temperatures of
104ºF (40ºC) or higher because battery life will be shortened.
Storing the storage system
Chapter 4: Operational and maintenance considerations
Hitachi Virtual Storage Platform G130 Hardware Reference Guide 60