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Chapter 6: Maintaining the storage system
Ongoing proper maintenance of the storage system maintains the reliability of the
storage system and its constant availability to all hosts connected to it.
For more complex maintenance activities, contact customer support.
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.
Powering off the storage system
Procedure
1. Press the main switch on the controller chassis for approximately three seconds
until the POWER LED on the front of the chassis changes from solid green to a
blinking status.
2. Release the main switch and the POWER LED returns to solid green after blinking for
approximately three seconds.
The power-off process begins. The process takes approximately 18 minutes or
longer depending on the amount of data that needs to be written. The POWER LED is
solid green during the powering off process. The POWER LED changes from green to
amber when the process is completed.
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 off 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.
Hitachi Virtual Storage Platform G900 Hardware Reference Guide
Chapter 6: Maintaining the storage system
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