IBM eserver certification study guide. AIX 5L problem determination tools and techniques / [Tim Dasgupta, Stephen Sommer].

Format:

Book

Author/Creator:

Dasgupta, Tim.

Contributor:

Sommer, Stephen.

International Business Machines Corporation. International Technical Support Organization.

Series:

IBM redbooks.

IBM redbooks

Language:

English

Subjects (All):

Electronic data processing personnel--Certification.

Electronic data processing personnel.

Operating systems (Computers)--Examinations--Study guides.

Operating systems (Computers).

AIX (Computer file)--Examinations--Study guides.

AIX (Computer file).

Physical Description:

1 online resource (384 p.)

Edition:

2nd ed.

Other Title:

AIX 5L problem determination tools and techniques

Place of Publication:

[Austin, Tex.] : IBM International Technical Support Organization, 2003.

Language Note:

English

Contents:

Front cover

Contents

Figures

Tables

Notices

Trademarks

Preface

The team that wrote this redbook

Become a published author

Comments welcome

Chapter 1. Certification overview

1.1 Certification requirements

1.1.1 Required prerequisite

1.1.2 Recommended prerequisite

1.1.3 Information and registration for the certification exam

1.1.4 Core requirements

1.2 Certification education courses

Chapter 2. Customer relations

2.1 Defining the problem

2.2 Collecting information from the user

2.3 Collecting information about the system

2.4 Quiz

2.4.1 Answers

Chapter 3. Booting problem determination

3.1 A general overview of the boot process

3.2 BIST - POST

3.2.1 MCA systems

3.2.2 PCI systems

3.3 Boot phase 1

3.4 Boot phase 2

3.4.1 LED 551, 555, or 557

3.4.2 LED 552, 554, or 556

3.4.3 LED 518

3.4.4 The alog command

3.5 Boot phase 3

3.5.1 The /etc/inittab file

3.5.2 LED 553

3.5.3 LED c31

3.5.4 LED 581

3.5.5 pSeries servers

3.6 Boot-related information in the error log

3.7 Boot summary

3.8 Command summary

3.8.1 The errpt command

3.8.2 The w command

3.9 Quiz

3.9.1 Answers

3.10 Exercises

Chapter 4. Hardware problem determination

4.1 Hardware basics

4.1.1 Hardware inventory

4.2 Running diagnostics

4.2.1 Concurrent mode

4.2.2 Stand-alone diagnostics from disk - service mode

4.2.3 Stand-alone diagnostics from CD-ROM

4.2.4 Task selection or service aids

4.3 Serial Storage Architecture disks

4.3.1 General SSA setup rules

4.3.2 SSA devices

4.3.3 SSA disk considerations

4.3.4 Three-digit display values

4.3.5 Common boot time LEDs

4.3.6 888 in the three-digit display

4.4 Command summary

4.4.1 The chdev command

4.4.2 The lsattr command

4.5 Quiz

4.5.1 Answers

4.6 Exercises.

Chapter 5. System dumps

5.1 Configuring the dump device

5.2 Starting a system dump

5.2.1 Using the command line

5.2.2 Using the SMIT interface

5.2.3 Using the Reset button

5.2.4 Using special key sequences

5.2.5 System Hang Detection

5.3 System dump status check

5.3.1 Status codes

5.4 Increasing the size of the dump device

5.5 Configuring remote dump devices

5.6 Copying a system dump

5.7 Reading dumps

5.8 Core dumps

5.8.1 Checking for core dump

5.8.2 Locating a core dump

5.8.3 Determining the program that caused the core dump

5.9 Command summary

5.9.1 The crash command

5.9.2 Types of crashes

5.9.3 The snap command

5.9.4 The strings command

5.9.5 The sysdumpdev command

5.9.6 The sysdumpstart command

5.10 Quiz

5.10.1 Answers

5.11 Exercises

Chapter 6. Error reports

6.1 The error daemon

6.2 The errdemon command

6.3 The errpt command

6.3.1 Error classes

6.4 The errclear command

6.5 Accounting

6.5.1 Setting up an accounting system

6.5.2 Setting up disk-usage accounting

6.6 The syslogd daemon

6.7 Quiz

6.7.1 Answers

6.8 Exercises

Chapter 7. LVM, file system, and disk problem determination

7.1 LVM data

7.1.1 Physical volumes

7.1.2 Volume groups

7.1.3 Logical volumes

7.1.4 Object Data Manager (ODM)

7.2 LVM problem determination

7.2.1 Data relocation

7.2.2 Backup data

7.2.3 ODM resynchronization

7.2.4 Understanding importvg problems

7.2.5 Extending the number of max physical partitions

7.3 Disk replacement

7.3.1 Replacing a disk

7.3.2 Recovering an incorrectly removed disk

7.4 The AIX JFS

7.4.1 Creating a JFS

7.4.2 Increasing the file system size

7.4.3 File system verification and recovery

7.4.4 Sparse file allocation

7.4.5 Unmount problems

7.4.6 Removing file systems.

7.4.7 Different output from du and df commands

7.4.8 Enhanced journaled file system

7.4.9 The /proc file system

7.4.10 Disk quota

7.5 Paging space

7.5.1 Recommendations for creating or enlarging paging space

7.5.2 Determining if more paging space is needed

7.5.3 Reducing and removing paging space

7.6 Command summary

7.6.1 The lsvg command

7.6.2 The chvg command

7.6.3 The importvg command

7.6.4 The rmlvcopy command

7.6.5 The reducevg command

7.6.6 The rmdev command

7.6.7 The syncvg command

7.7 Quiz

7.7.1 Answers

7.8 Exercises

Chapter 8. Network problem determination

8.1 Network interface problems

8.2 Routing problems

8.2.1 Dynamic or static routing

8.3 Name resolution problems

8.3.1 The tcpdump and iptrace commands

8.4 NFS troubleshooting

8.4.1 General steps for NFS problem solving

8.4.2 NFS mount problems

8.4.3 Increasing NFS Socket Buffer Size

8.4.4 The biod and nfsd daemons

8.5 Command summary

8.5.1 The chdev command

8.5.2 The exportfs command

8.5.3 The ifconfig command

8.5.4 The iptrace command

8.5.5 The lsattr command

8.5.6 The netstat command

8.5.7 The route command

8.5.8 The tcpdump command

8.6 Quiz

8.6.1 Answers

8.7 Exercises

Chapter 9. System access and printer problem determination

9.1 User license problems

9.2 Telnet troubleshooting

9.2.1 Network problems

9.2.2 The telnet subserver

9.2.3 Slow telnet login

9.2.4 Telnet error

9.3 FTP troubleshooting

9.3.1 File limits

9.4 System settings

9.4.1 Adjusting AIX kernel parameters

9.4.2 The su command

9.4.3 A full file system

9.5 Tracing

9.5.1 Trace hook IDs

9.5.2 Starting a trace

9.5.3 Trace reports

9.5.4 Tracing example

9.6 Managing mail logging

9.7 TTY troubleshooting

9.7.1 Respawning too rapidly errors.

9.8 Printing

9.8.1 Local printing problem

9.8.2 Remote printing problem

9.8.3 The /var file system

9.8.4 Default printing subsystem

9.9 Command summary

9.9.1 The lslicense command

9.9.2 The lssrc command

9.9.3 The startsrc command

9.9.4 The trace command

9.9.5 The trcrpt command

9.10 Quiz

9.10.1 Answers

9.11 Exercises

Chapter 10. Performance problem determination

10.1 CPU-bound system

10.1.1 The sar command

10.1.2 The vmstat command

10.1.3 The ps command

10.1.4 The tprof command

10.2 Memory-bound system

10.2.1 The vmstat command

10.2.2 The ps command

10.2.3 The svmon command

10.2.4 The schedtune command

10.3 Disk I/O bound system

10.3.1 The iostat command

10.3.2 The filemon command

10.3.3 The fileplace command

10.3.4 The sar command

10.4 Network I/O bound system

10.4.1 The netstat command

10.4.2 The nfsstat command

10.4.3 The netpmon command

10.5 Workload Manager (WLM)

10.5.1 WLM concepts and architecture

10.5.2 Automatic assignment

10.5.3 Manual assignment

10.5.4 Backward compatibility

10.5.5 Resource sets

10.5.6 rset registry

10.6 System debuggers

10.6.1 The dbx command

10.6.2 The kdb command

10.7 Summary

10.8 Command summary

10.8.1 The sar command

10.8.2 The ps command

10.8.3 The netstat command

10.8.4 The nfsstat command

10.9 Quiz

10.9.1 Answers

Chapter 11. Software updates

11.1 Overview

11.1.1 Terminology

11.1.2 Software layout

11.1.3 Software states

11.2 Installing a software patch

11.2.1 Software patch installation procedure

11.3 Software inventory

11.4 Command summary

11.4.1 The lslpp command

11.4.2 The installp command

11.4.3 The instfix command

11.4.4 The lppchk command

11.5 Quiz

11.5.1 Answers

11.6 Exercises.

Chapter 12. Online documentation

12.1 Installing the Web browser

12.2 Installing the Web server

12.3 Installing the Documentation Library Service

12.4 Configuring the Documentation Library Service

12.5 Installing online manuals

12.6 Invoking the Documentation Library Service

12.7 Exercises

Abbreviations and acronyms

Related publications

IBM Redbooks

Other resources

Referenced Web sites

How to get IBM Redbooks

IBM Redbooks collections

Index

Back cover.

Notes:

"January 2003."

"SG24-6185-01."

OCLC:

560312068