You must power off yoursystem to service it, or to permit other maintenance actions in your data center.
To power off your
system , complete the following steps:
- Stop all host I/O to volumes on the system.
- Shut down the system by using the management GUI. Select . From the Actions menu, select Power Off.
- 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
- Disconnect the power cords from both power supplies in each control
enclosure.
- Disconnect the power cords from both power supplies in each expansion
enclosure.