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Diagnostics

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Chapter 7. Diagnostics This chapter provides basic troubleshooting information to help you solve some common problems that might occur with the blade server. Note: Linux service aids for hardware diagnostics (separate from the operating system installation) are available for download from the following Web site: http://techsupport.services.ibm.com/server/lopdiags/. Diagnostic utilities for the Linux operating system are available from IBM. For more information, go to http://www.ibm.com/servers/eservers/support/bladecenter/; in the Hardware field select BladeCenter JS20, in the Software field select Linux on POWER environment, then click Go. For information about standalone AIX diagnostics, see "Running the standalone diagnostics from CD-ROM" on page 25. Other supported operating systems might have diagnostic tools available through the operating system. Consult your operating system documentation for more information. If you cannot locate and correct the problem using the information in this section, see Appendix A, "Getting help and technical assistance," on page 161 for more information. Note: A problem with the BladeCenter JS20 Type 8842 blade server may relate to either the BladeCenter JS20 Type 8842 blade server or the BladeCenter unit. v A blade-server problem exists if the BladeCenter unit contains more than one blade server and only one of the blade servers has the symptom. v If all of the blade servers have the same symptom, then the problem relates to the BladeCenter unit. For more information, see the Hardware Maintenance Manual and Troubleshooting Guide for your BladeCenter unit. General checkout Follow the checkout procedure for diagnosing hardware problems. Note: Before performing the checkout procedure, read Appendix B, "Safety information," on page 163. The firmware diagnostics program tests the major components of the blade server during startup and while the operating system is running. For Linux or AIX, there are automatic error log analysis routines that provide failure information during runtime. There are also AIX concurrent online diagnostics (from disk) and standalone diagnostics (from CD) to assist you in performing problem determination. The firmware diagnostic tests are run automatically when the JS20 server is started. v If your operating system is AIX, then you have AIX diagnostics available concurrently to check out your hardware. See "Performing AIX online concurrent mode diagnostics for system verification" on page 29. © Copyright IBM Corp. 2003 37

Section	Page
About this manual	5
Important safety information	5
Online support	5
Contents	7
Chapter 1. Introduction	11
Related documentation	13
The IBM BladeCenter Documentation CD	14
Hardware and software requirements	14
Using the Documentation Browser	14
Notices and statements used in this document	15
Features and specifications	16
BladeCenter JS20 specifications for non-NEBS/ETSI environments	16
BladeCenter JS20 specifications for NEBS/ETSI environments	17
Preinstallation checklist	19
Checking the status of the media tray	20
Chapter 2. Blade server power, controls, and indicators	23
Turning on the blade server	23
Turning off the blade server	24
Blade server controls and LEDs	24
Chapter 3. Configuration	27
Using the command-line interface	28
Configuring the Gigabit Ethernet controller	28
Blade server Ethernet controller enumeration	29
Chapter 4. Problem determination procedures for AIX and Linux	31
Problem determination	31
Obtaining an SRN/SRC or error code	32
Chapter 5. AIX online, standalone and verification procedures	35
Performing AIX online concurrent mode diagnostics for problem determination	35
Running the standalone diagnostics from CD-ROM	35
Performing AIX online concurrent mode diagnostics for previous diagnostic results: service aids	38
Performing AIX online concurrent mode diagnostics for system verification	39
Verifying the replacement part using AIX diagnostics	40
Chapter 6. Running a Serial Over LAN session	43
Selecting the command target	44
Starting the command-line interface	44
Establishing a Telnet connection	45
Establishing a Secure Shell (SSH) connection	45
Starting an SOL session	45
Ending an SOL session	46
Chapter 7. Diagnostics	47
General checkout	47
Checkout procedure	48
Diagnostic tools overview	49
POST	50
Checkpoints	50
Accessing the Linux system error log	50
Service aids and the Linux system error log	50
FRU/CRU isolation	56
Error symptom charts	56
Light path diagnostics	56
Memory errors	57
Recovering the system firmware code	58
Recovery of system firmware code using service aids	58
Starting the TEMP image	58
Recovering the TEMP image from the PERM image	59
Updating the blade server firmware	60
Determination of current server firmware levels	61
Updating the blade server service processor	61
Update and manage system flash using Linux service aids	61
Updating the system flash using Linux	61
Verifying the system firmware levels using Linux	62
Update and manage system flash using AIX diagnostics	62
Updating the system flash using AIX	62
Committing the temporary firmware image using AIX	63
Verifying the system firmware levels using AIX	63
Recovering the system firmware code	64
Recovery of system firmware code using service aids	65
Starting the backup image	65
Recovering the primary image	66
Chapter 8. General AIX and xSeries standalone diagnostic information	69
Information for general diagnostic systems running the AIX operating system	69
AIX operating system message files	69
CE login	69
Missing resources	70
Automatic diagnostic tests	70
Configuration program	70
Diagnostic programs	71
Error log analysis	71
Introducing tasks and service aids	72
Task and service aid functions	72
AIX automatic error log analysis (diagela)	72
Error log analysis	73
Log repair action	73
Tasks (service aids)	73
Download microcode	74
Update and manage system flash	75
Using the standalone CD-ROM and online current diagnostics	77
Standalone and online diagnostics operating considerations	77
Running online diagnostics	77
Running the online diagnostics in concurrent mode	78
Running standalone diagnostics from a management (NIM) server	78
NIM server configuration	79
Client configuration and booting eServer standalone diagnostics from the NIM server	79
Chapter 9. Installing options	81
Installation guidelines	81
System reliability guidelines	81
Handling static-sensitive devices	81
Removing the blade server from the BladeCenter unit	83
Opening the blade server cover	84
Removing the blade server bezel assembly	85
Installing IDE hard disk drives	85
Installing memory modules	87
Installing an I/O expansion card	89
Ethernet controller, switch module, and cabling requirements	92
Replacing the battery	93
System board	96
System board component locations	96
System-board LED locations	97
Replacing the system board	97
Completing the installation	100
Installing the blade-server bezel assembly	100
Closing the blade server cover	102
Input/output connectors and devices	102
Chapter 10. Symptom-to-FRU index	103
Firmware checkpoint (progress) codes	104
Firmware error codes	112
Service request numbers	118
Linux service aid \	119
Using the SRN list	119
Service request number	119
Source of SRN	119
Failing Function Codes	119
Description and action	120
Using the SRN list	120
SRN tables	120
AIX SRNs 101-711 through 2D02	120
SRNs A00-(x)xxx through A1D-(x)xxx	131
Failing Function Codes (FFCs)	151
FFC table	152
Light path diagnostics LEDs	155
Error symptoms	155
CD drive problems	156
Diskette drive problems	157
General problems	157
Hard disk drive problems	157
Memory problems	158
Microprocessor problems	158
Monitor problems	158
Mouse problems	159
Network connection problems	160
Option problems	160
Power problems	161
Service processor problems	161
Software problems	162
Startup problems	162
Service processor error codes	162
Boot problem resolution	163
Physical location codes	164
Undetermined problems	166
Problem determination tips	168
Chapter 11. Parts listing, Type 8842	169
Appendix A. Getting help and technical assistance	171
Before you call	171
Using the documentation	171
Getting help and information from the World Wide Web	172
Software service and support	172
Hardware service and support	172
Appendix B. Safety information	173
General safety	173
Electrical safety	174
Safety inspection guide	175
Grounding requirements	176
Safety notices (multi-lingual translations)	176
Notices	207
Edition notice	207
Trademarks	208
Important notes	208
Product recycling and disposal	209
Battery return program	209
Electronic emission notices	210
Federal Communications Commission (FCC) statement	210
Industry Canada Class A emission compliance statement	210
Australia and New Zealand Class A statement	210
United Kingdom telecommunications safety requirement	210
European Union EMC Directive conformance statement	211
Taiwanese Class A warning statement	211
Chinese Class A warning statement	211
Japanese Voluntary Control Council for Interference (VCCI) statement	211

Match case Limit results 1 per page

Chapter

Diagnostics

This

chapter

provides

basic

troubleshooting

information

help

you

solve

some

common

problems

that

might

occur

with

the

blade

server.

Note:

Linux

service

aids

for

hardware

diagnostics

(separate

from

the

operating

system

installation)

are

available

for

download

from

the

following

Web

site:

http://techsupport.services.ibm.com/server/lopdiags/.

Diagnostic

utilities

for

the

Linux

operating

system

are

available

from

IBM.

For

information,

http://www.ibm.com/servers/eservers/support/bladecenter/;

the

Hardware

field

select

BladeCenter

JS20

the

Software

field

select

Linux

POWER

environment

then

click

For

information

about

standalone

AIX

diagnostics,

see

“Running

the

standalone

diagnostics

from

CD-ROM”

page

25.

Other

supported

operating

systems

might

have

diagnostic

tools

available

through

the

operating

system.

Consult

your

operating

system

documentation

for

information.

you

cannot

locate

and

correct

the

problem

using

the

information

this

section,

see

Appendix

“Getting

help

and

technical

assistance,”

page

161

for

information.

Note:

problem

with

the

BladeCenter

JS20

Type

8842

blade

server

may

relate

either

the

BladeCenter

JS20

Type

8842

blade

server

the

BladeCenter

unit.

blade-server

problem

exists

the

BladeCenter

unit

contains

than

one

blade

server

and

only

one

the

blade

servers

has

the

symptom.

all

the

blade

servers

have

the

same

symptom,

then

the

problem

relates

the

BladeCenter

unit.

For

information,

see

the

Hardware

Maintenance

Manual

and

Troubleshooting

Guide

for

your

BladeCenter

unit.

General

checkout

the

checkout

procedure

for

diagnosing

hardware

problems.

Note:

Before

performing

the

checkout

procedure,

read

Appendix

“Safety

information,”

page

163.

The

firmware

diagnostics

program

tests

the

major

components

the

blade

server

during

startup

and

while

the

operating

system

running.

For

Linux

AIX,

there

are

automatic

error

log

analysis

routines

that

provide

failure

information

during

runtime.

There

are

also

AIX

concurrent

online

diagnostics

(from

disk)

and

standalone

diagnostics

(from

CD)

assist

you

performing

problem

determination.

The

firmware

diagnostic

tests

are

run

automatically

when

the

JS20

server

started.

your

operating

system

AIX,

then

you

have

AIX

diagnostics

available

concurrently

check

out

your

hardware.

See

“Performing

AIX

online

concurrent

mode

diagnostics

for

system

verification”

page

29.

IBM

Corp.

2003