Procedure: Powering off your system

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

Procedure

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. Click Monitoring > System. From the System Actions menu, select Power Off System.
  3. Wait for the power LEDs on all node canisters in all control enclosures to blink at 1 Hz, indicating that the shutdown operation completed, as shown in Figure 1.
    Figure 1. Power LEDs on a node canister
    Power LEDs 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.