Duration: 5 Days
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 Will 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
Audience
Experienced HP-UX system administrators
Prerequistes
- 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
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
Course Labs