Powering Off The Storage System; Removing Cables - Hitachi G200 Hardware Reference Manual

• Check for floats or position gaps in the connector. Mark the identified
location.
• To prevent any damages to the FMD, avoid touching the connector or
handling the ends of the FMD. Use both hands to hold the middle area of
the FMD.
• Avoid installing or removing the FMD at an angled position.

Powering off the storage system

Procedure
1. Press the main switch for three seconds until the POWER LED blinks.
2. Verify the POWER LED on the front of the storage system changes from
green to amber.
Wait 25 minutes to 4 hours for the POWER LED to turn amber, depending
on the system configuration (check after 33 minutes).
3. 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.

Removing cables

Observe the following instructions when removing cables form the storage
system.
To remove a SAS cable, pull the tab of the SAS cable (1) to release the latch
and remove the SAS cable (2).
Hitachi Virtual Storage Platform G200 Hardware Reference Guide
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.
Maintaining the storage system 71