NonStop S-Series Hardware Installation and FastPath Guide (G06.29+)

HP NonStop S-Series Hardware Installation and FastPath Guide—541880-002
8-1
8
Powering On and Starting the
System
This section describes how to power on NonStop S-series system enclosures, how to
power on external devices, and how to start the system.
Caution. IOAM enclosures, Fibre Channel Disk Module (FCDM)s, and ESSs must be
installed, powered on, and started by a service provider trained by HP. Your service provider
should refer to the Modular I/O Installation and Configuration Guide which is located in the NTL
Hardware Service and Maintenance Collection in the Support and Service Library.
Topic Page
Starting a System for the First Time
8-2
Startup Checklist 8-2
Powering On External System Devices 8-3
Powering On the Primary System Console and Modem 8-3
Powering On the System 8-5
Powering On the System 8-5
Fault Tolerance and Access to Power Cutoffs 8-5
Power-On Procedure Using AC Power Cords 8-6
Status LEDs During a Power-On Procedure 8-10
Troubleshooting Abnormal LED States 8-12
Verifying Topology and System Components 8-14
Starting the System 8-18
Loading the System 8-18
Completing the System Load 8-21
Verifying the System Is Started 8-21