HP OpenVMS System Manager's Manual, Volume 1:...

Uninstalling Patch Kits

Understanding Booting and System Startup

To initiate startup of your system, you boot it. Many systems have unique booting commands. For detailed booting instructions for your system, refer to the following manuals:

• On VAX systems, refer to the most recent version of the OpenVMS VAX Upgrade and Installation Manual and the upgrade and installation supplement for your VAX computer.



• On Alpha systems, refer to the HP OpenVMS Alpha Version 7.3-2 Upgrade and Installation Manual.

Information Provided in This Chapter



This chapter describes the following tasks:

Task	Section
Deferring memory testing on AlphaServer 4100 computers	Deferring Memory Testing on AlphaServer 4100 Computers
Booting with modified system parameter values	Booting with Modified System Parameter Values
Assigning port allocation classes with SYSBOOT	Assigning Port Allocation Classes with SYSBOOT
Booting in an emergency	Booting in an Emergency
Booting with controlled startup	Booting with Controlled Startup
Solving booting problems	Solving Booting Problems
Writing a new boot block on the system disk	Writing a New Boot Block on the System Disk
Performing an orderly shutdown with SHUTDOWN.COM	Performing an Orderly Shutdown with SHUTDOWN.COM
Customizing SHUTDOWN.COM to perform site-specific operations	Customizing SHUTDOWN.COM to Perform Site-Specific Operations
Performing an orderly shutdown with SYSMAN	Performing an Orderly Shutdown with SYSMAN
Performing an emergency shutdown with the OPCCRASH.EXE program	Performing an Emergency Shutdown with the OPCCRASH.EXE Program
Performing an emergency shutdown using console commands	Performing an Emergency Shutdown Using Console Commands

This chapter explains the following concepts:

Concept	Section
Booting and startup processes	Booting and Startup Processes
Nonstop boot: the most common booting operation	Nonstop Boot: The Most Common Booting Operation
Conversational boot: for special booting functions	Conversational Boot: For Special Booting Functions
System startup and STARTUP.COM	System Startup and STARTUP.COM
System shutdown procedures	Shutting Down the System
The order of shutdown events	Understanding the Order of Shutdown Events

Understanding Booting and System Startup
Booting with Modified System Parameter Values
Assigning Port Allocation Classes with SYSBOOT
Booting in an Emergency
Booting with Controlled Startup
Solving Booting Problems
Writing a New Boot Block on the System Disk
Shutting Down the System

Uninstalling Patch Kits

Understanding Booting and System Startup