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HP-UX Troubleshooting

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At a glance
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Course number H4264S
Length 5 days
Delivery method* Remotely assisted instructional learning (RAIL)
Instructor-led training (ILT)
Onsite dedicated training (OST)
Price USD $4,000
CAD $4,400
*Courses are supported in the delivery formats above, but are not necessarily scheduled in every delivery format listed. Please click the schedule links at the top of the page to see which delivery formats are currently scheduled.

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

Ways to save

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

H4264S - G.00
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