Technical data

4
Starting Up and Shutting Down the System
This chapter describes various ways to start up and shut down your system.
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 versions of the OpenVMS
VAX Upgrade and Installation Manual and the upgrade and installation
supplement for your VAX computer.
• On Alpha systems, refer to the most recent version of the OpenVMS Alpha
Upgrade and Installation Manual.
Information Provided in This Chapter
This chapter describes the following tasks:
Task Section
Deferring memory testing on AlphaServer 4100 computers Section 4.1.2
Booting with modified system parameter values Section 4.2
Assigning port allocation classes with SYSBOOT Section 4.3
Booting in an emergency Section 4.4
Booting with controlled startup Section 4.5
Solving booting problems Section 4.6
Writing a new boot block on the system disk Section 4.7
Performing an orderly shutdown with SHUTDOWN.COM Section 4.8.1
Customizing SHUTDOWN.COM to perform site-specific
operations
Section 4.8.3
Performing an orderly shutdown with SYSMAN Section 4.8.4
Performing an emergency shutdown with the OPCCRASH.EXE
program
Section 4.8.5
Performing an emergency shutdown using console commands Section 4.8.6
This chapter explains the following concepts:
Concept Section
Booting and startup processes Section 4.1.1
Nonstop boot: the most common booting operation Section 4.1.3.1
Conversational boot: for special booting functions Section 4.1.3.2
System startup and STARTUP.COM Section 4.1.4
Starting Up and Shutting Down the System 4–1