HP-UX Troubleshooting Eğitimi

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Eğitim Tipi ve Süresi

3 Days ILT    

HP-UX Troubleshooting (H4264)

In this course, you will examine some of the problems that can negatively impact productivity in HP-UX system and network operations. You will discover the tools and procedures that can be used to find the causes of problems and fix them. You will spend 45 percent of class using cell-based HP Integrity servers in hands-on labs.

What You'll Learn

  • Use the Management Processor for troubleshooting
  • Troubleshoot EFI problems
  • Recover a non-bootable HP Integrity system or partition
  • Recover a non-bootable HP 9000 system or partition
  • Work through file system recovery options
  • Troubleshoot an 11i v3 kernel
  • Troubleshoot a kernel crash dump
  • Troubleshoot process, patch, and storage problems
  • Troubleshoot network, network file system (NFS), and domain name system (DNS) problems
  • Techniques needed to recover your "dead" system
  • File system check and recovery options to restore lost data
  • Use basic diagnostics tools to anticipate problems and minimize network downtime by
  • Ensure your network is operating properly by checking NFS and DNS functionality
  • Keep your system current by managing software patches

Who Needs to Attend

Experienced HP-UX system administrators


  • HP-UX System and Network Administration and HP-UX System and Network Administration II or equivalent experience
  • HP-UX for Experienced UNIX System Administrators or equivalent experience
  • HP-UX System and Network Administration I (H3064)
  • HP-UX System and Network Administration II (H3065)
  • HP-UX for Experienced UNIX System Administrators (H5875)

Follow-On Courses

  • HP-UX Performance and Tuning (H4262)

Course Outline

1. Troubleshooting Resources

  • Manuals, Websites, and Newsgroups
  • Log Files
  • Key Configuration Files
  • System Fault Management and EVWEB

2. Troubleshooting with the Management Processor

  • Main Functions of the Management Processor
  • Features of iLO2 SMASH
  • Use the Virtual Front Panel to Determine Partition Status
  • Display Configuration Information and Various Complex Component Statuses
  • Use the MP Console Log and System Log to Diagnose Problems

3. Troubleshooting EFI and BCH

  • Impact of Partitioning on the Pre-Boot Environment
  • Use EFI Commands to Manage Boot Media
  • Use the EFI ftp Client to Recover Missing Boot Loader

4. Troubleshooting HP Integrity System Boot

  • Structures on an HP Integrity LVM Boot Disk
  • Recover from Potential Boot Failures
    • Boot From Alternate Disk
    • Kernel,
    • Single-User Mode
    • Lvm Maintenance
    • Tunable Maintenance
  • Troubleshoot vPar Boot Issues
  • Boot the HP-UX Recovery Shell from Media and Ignite Server
  • Boot the Offline Diagnostic Executive from the HPSP and Diagnostics CD

5. Troubleshooting HP 9000 System Boot

  • HP9000 System Startup
  • HP9000 Boot Disk Structure
  • Potential HP9000 Boot Failures
  • Recognize the Differences Between HP9000 and HP Integrity vPars
  • Use the Recovery Shell to Recover from Boot Issues

6. Troubleshooting File Systems

  • Functionality of fsck
  • Perform a Log Replay and Full fsck on a VxFS File System
  • Use fsadm to Defragment a VxFS File System
  • Use fsdb to View File System Information

7. Troubleshooting the Kernel

  • View Kernel Changes via SMH and kclog
  • Use Kernel Alarms to Monitor Kernel tunables
  • Boot from an Alternate Kernel
  • Boot to Tunable Maintenance Mode
  • Use Boot-Time Overrides for Kernel Tunable Values
  • Configure Dump Devices
  • Basics of Kernel Debugging

8. Troubleshooting Process Problems

  • Process
  • Display a User's Process Hierarchy
  • Use the Kill Command
  • Identify and Clear Zombie Processes
  • Troubleshoot CPU-Intensive Processes
  • Manage User Space Application Core Files Using coreadm

9. Troubleshooting Patch Problems

  • Patch Management Strategies
  • Manage HP-UX Patches
  • Patch Rollback Procedure
  • Use the Cleanup, Show_Patches And Check_Patches Commands
  • Use the Software Assistant to Manage Patches
  • Recover from a Corrupt Installed Products Database
  • Use the SD-UX Logfiles to Troubleshoot Patch Problems

10. Troubleshooting Storage

  • Use HP-UX 11i Hardware Addresses to Understand Storage Connectivity
  • Use HP-UX 11i Storage-Related Commands to Troubleshoot Storage Issues

11. Troubleshooting Network Problems: Part I

  • Relate the OSI 7-Layer Model to Network Addressing, Display, and Test Command Output
  • Resolve LAN Card Configuration Problems
  • Resolve Subnetting Problems
  • Resolve Routing Problems
  • Perform a Network Trace Using Wireshark
  • Display and Modify Tunable Network Parameters with ndd

12. Troubleshooting Network Problems: Part II

  • Major Differences Between NFS v3 and NFS v4
  • Resolve Common NFS Issues
  • DNS Server Configuration Files and Setup Issues

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