HP-UX Troubleshooting

HP Education Services
HP-UX Troubleshooting (H4264S_00071684)
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
Course title:
HP-UX Troubleshooting
Prerequisites
HP product number:
H4264S_00071684
• 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
Category/Subcategory:
HP-UX / UNIX
Course length:
5 days
Level:
Advanced
Course objectives
Delivery language:
English
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
To order:
To review course schedules and to register for a
course, visit www.hp.com/learn/unix and select
your country from the drop down menu, or,
contact your HP sales representative or HP
authorized channel partner.
• Experienced HP-UX system administrators
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
HP Education services are governed by the HP Education Services Terms and Conditions
Why education services from HP?
• Recognized as an IDC MarketScape leader for IT education (IDC
MarketScape: Worldwide IT Education and Training 2012 Vendor
Analysis, doc #232870, February 2012)
• Unmatched technical expertise and support for HP products and
technologies
• More than 30 years of Education Consulting
• Global training with more than 90 training locations worldwide
Next steps
• HP-UX Logical Volume Manager (H6285S), Inside HP-UX (H5081S),
HP-UX Performance and Tuning (H4262S), HP-UX Partition
Management (U5075S or HG770S)
Detailed course outline
Troubleshooting Login Problems
• Troubleshooting methodology and techniques
• Troubleshooting resources
• Common troubleshooting and monitoring tools
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HP-UX Concepts Review
Troubleshooting Software and Patch Installation
Troubleshooting Methodology and Resources
• HP-UX structural overview
• System calls and processes
Troubleshooting HP-UX Startup Files
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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
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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
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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
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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
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Concepts review: file system overview
File system corruption examples
Troubleshooting techniques
fsck, fsadm, and fsdb
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Concept review: login methods
Troubleshooting GUI login
Protecting the system with /etc/shadow
Pluggable authentication modules
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
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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
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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
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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
To review course schedules and to register for a course, visit
http://www.hp.com/learn/unix and select your country from the drop
down menu.
© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change
without notice. The only warranties for HP products and services are set forth in the express warranty statements
accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP
shall not be liable for technical or editorial errors or omissions contained herein.
HP Education services are governed by the HP Education Services Terms and Conditions
ver g.00, February 2014