Procedure: Powering off your system

You must power off your system to service it, or to permit other maintenance actions in your data center.

To power off your system , complete the following steps:
  1. Stop all host I/O to volumes on the system.
  2. Shut down the system by using the management GUI. Select Monitoring > System. From the Actions menu, select Power Off.
  3. Wait for the power LEDs on all node canisters in all control enclosures to blink at 1 Hz, indicating that the shutdown operation has completed. (See Location of the power LED on a node canister for the location of the power LED.)
    Figure 1. Location of the power LED on a node canister
    Location of the power LED on a node canister
    • 1 Power
    • 2 Status
    • 3 Fault
  4. Disconnect the power cords from both power supplies in each control enclosure.
  5. Disconnect the power cords from both power supplies in each expansion enclosure.