Installation guide

Contents
iv Fault Tolerant System Administration (R1004H) HP-UX version 11.00.03
3. Starting and Stopping the System 3-1
Overview of the Boot Process 3-1
Configuring the Boot Environment 3-4
Enabling and Disabling Autoboot 3-4
Modifying CONF Variables 3-6
Sample CONF Files 3-7
Modifying the CONF File 3-8
Booting Process Commands 3-9
CPU PROM Commands 3-10
Primary Bootloader Commands 3-11
Secondary Bootloader Commands 3-15
Booting the System 3-16
Issuing Console Commands 3-17
Manually Booting Your System 3-19
Restoring and Booting from a Backup Tape 3-20
Making Recovery Boot Image and Tape 3-21
Recovery from Boot Image Flash Card and Tape 3-22
Shutting Down the System 3-23
Using SAM 3-24
Using Shell Commands 3-24
Changing to Single-User State 3-25
Broadcasting a Message to Users 3-25
Rebooting the System 3-25
Halting the System 3-26
Activating a New Kernel 3-27
Designating Shutdown Authorization 3-28
Dealing with Power Failures 3-29
Configuring the Power Failure Grace Period 3-30
Configuring the UPS Port 3-31
Managing Flash Cards 3-31
Flash Card Utility Commands 3-32
Creating a New Flash Card 3-34
Duplicating a Flash Card 3-34
4. Mirroring Data 4-1
Introduction to Mirroring Data 4-1
Glossary of Terms 4-1
Sample Mirror Configuration 4-3
Recommended Volume Structure 4-3
Guidelines for Managing Mirrors 4-4
Mirroring Root and Primary Swap 4-5
Adding a Mirror to Root Data After Installation 4-5
Setting Up I/O Channel Separation 4-8