Starting and Stopping the System

Powering Off a System

5.From the Processors Actions menu, select Halt.

6.Click Perform action.

7.A message box asks whether you are sure you want to perform a halt on the selected processors. Click OK.

Powering Off a System

Use OMS or SCF to place most system components in a low-power state before you remove power to all system components. Any attached I/O enclosures power off completely. The Disk Drive enclosures are not placed in a low power state after the power off action or command.

To power off a system:

1.Stop applications. See Stopping Application, Devices, and Processes on page 15-14.

2.Use either of these methods to place most system components in a low-power state:

°

°

3.Shut off AC power to all peripheral devices.

4.Locate the circuit breaker that controls the power cords.

5.Switch the breakers off.

System Power-Off Using OSM

1.Log on to the OSM Service Connection.

2.Right-click the System object.

3.Select actions.

4.From the drop-down menu, select System Power Off.

System Power-Off Using SCF

To power off the system using SCF, log on to an available TACL command interpreter as the super ID (255,255) and issue the SCF power-off command:

> SCF CONTROL SUBSYS $ZZKRN, SHUTDOWN

HP Integrity NonStop NS-Series Operations Guide529869-005

15-17

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HP NonStop NS manual Powering Off a System, System Power-Off Using OSM, System Power-Off Using SCF