HP-UX System and Network Troubleshooting (H4264S)

COURSE OVERVIEW

This course provides troubleshooting tools and procedures to find and fix HP-UX system problems. Concepts are refreshed before tools and techniques are examined. Critical thinking labs are provided using case studies, demonstrations, and hands-on break/fix labs. The course is 55 percent lecture and 45 percent hands-on labs using HP Integrity servers.

AUDIENCE

Experienced HP-UX system administrators

PREREQUISITES

• HP-UX System and Network Administration I (H3064S) and HP-UX System and Network Administration II (H3065S) or
• HP-UX System and Network Administration for Experienced UNIX® System Administrators (H5875S) or
• Equivalent experience

BENEFITS TO YOU

• Learn the techniques needed to troubleshoot and recover your system components
• Understand fsck and the recovery options to restore lost data
• Anticipate problems and minimize network downtime by using basic diagnostics tools
• Ensure your network is operating properly by checking NFS and DNS functionality
• Keep your system current by managing software patches

COURSE OBJECTIVES

At the conclusion of this course you should be able to:

• Use the Management Processor for troubleshooting
• Troubleshoot EFI problems
• Recover a non-bootable HP Integrity system or partition
• Troubleshoot an 11i v3 kernel, system startup, and kernel crash dump
• Troubleshoot process, login, patch, and storage problems
• Troubleshoot LVM, VxVM, and VxFS problems
• Troubleshoot network problems

NEXT STEPS

• HP-UX Logical Volume Manager (H6285S)
• Inside HP-UX (H5081S)
• HP-UX Performance and Tuning (H4262S)
• HP-UX Partition Management (HG770S)

COURSE OUTLINE

Troubleshooting Methodology and Resources

• Troubleshooting methodology and techniques
• Troubleshooting resources
• Common troubleshooting and monitoring tools

HP-UX Concepts Review

• HP-UX structural overview
• System calls and processes

Troubleshooting HP-UX Startup Files

• Concepts review: system startup
• System configuration files
• Interrupting the rc start scripts
• System startup links and sequence
• Booting to single-user mode

Troubleshooting Process Problems

• Concept review: What is a process?
• Troubleshooting processes and memory problems
• Zombie processes
• Identifying CPU-intensive processes
• Advanced system features, hyper-threading, NUMA, and LORA
• Managing workloads and enhanced user core naming

Troubleshooting Storage

• Concepts review: how I/O requests are processed
• HP-UX hardware addressing
• Storage device special files and slot addresses
• Storage-related commands

Troubleshooting Logical Volumes

• Concepts review: LVMs
• Recovering lost or damaged structures
• Missing device files and failed disks
• VxVM structures
• Restoring group configuration and recovering volumes

Troubleshooting File Systems

• Concepts review: file system overview
• File system corruption examples
• Troubleshooting techniques
• fsck, fsadm, and fsdb

Troubleshooting Login Problems

• Concept review: login methods
• Troubleshooting GUI login
• Protecting the system with /etc/shadow
• Pluggable authentication modules

Troubleshooting Software and Patch Installation

• Concept review: installing software
• Patch management process and HP-UX patch management
• Using DRD to install software and patches
• Troubleshooting patches
• Working with SD-UX logfiles and common SD-UX problems

Troubleshooting Network Problems

• Networking subsystem layers
• Troubleshooting configuration problems and the nwmgr command
• Subnetting, routing, and DNS concepts and troubleshooting
• Network tracing and performance
• NFS review and common problems

Troubleshooting the Kernel

• Concepts review: kernel configuration
• Kernel troubleshooting and recovery options
• Booting from an alternate kernel
• Kernel crashes and analysis
• Dump units and post-reboot configuration

Troubleshooting Hardware and Firmware

• Concepts review: kernel provides hardware services to applications
• Troubleshooting hardware and firmware
• Management Processor overview and commands

Troubleshooting HP Integrity System Boot

• Concepts review: HP Integrity boot disk structure
• Booting from an alternate disk from EFI
• Booting a DRD clone and booting alternatives
• Recovery shell, system startup, and EFI recovery options
• Partitions and booting: HP Integrity nPar and vPar boot sequence

For more information about HP training programs in Ukraine visit the web site at http://www8.hp.com/ua/ru/training/index.html

For whom it is intended:

• Network administrator
• System administrator