Second Edition (January 2000)
Part Number 128360-002
Compaq Computer Corporation
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Notice
The information in this publication is subject to change without notice.
COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR
EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN, NOR FOR INCIDENTAL OR
CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING, PERFORMANCE, OR
USE OF THIS MATERIAL. THIS INFORMATION IS PROVIDED "AS IS" AND COMPAQ
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MERCHANTABILITY, FITNESS FOR PARTICULAR PURPOSE, GOOD TITLE AND AGAINST
INFRINGEMENT.
This publication contains information protected by copyright. No part of this publication may be
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All rights reserved. Printed in the U.S.A.
The software described in this guide is furnished under a license agreement or nondisclosure agreement.
The software may be used or copied only in accordance with the terms of the agreement.
Compaq, Compaq Insight Manager, ProLiant, ROMPaq, SmartStart, registered United States Patent and
Trademark Office.
Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation.
Other product names mentioned herein may be trademarks and/or registered trademarks of their
respective companies.
Compaq ProLiant ML350 Troubleshooting Guide
Second Edition (January 2000)
Part Number 128360-002
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Contents
About This Guide
Text Conventions........................................................................................................ix
Symbols in Text...........................................................................................................x
Symbols on Equipment...............................................................................................xi
Rack Stability ............................................................................................................xii
Warning Information ............................................................................................... xiii
Additional Resources................................................................................................xiv
Telephone Numbers...........................................................................................xiv
Other Information Resources..............................................................................xv
Chapter 1
Server Startup Errors
Minimum Hardware Configuration ......................................................................... 1-1
When the Server Will Not Start ............................................................................... 1-2
Diagnosis Steps........................................................................................................ 1-3
Chapter 2
Server Operation Errors
Operating System Support ....................................................................................... 2-2
Server Installation Problems.................................................................................... 2-3
Chapter 3
Status Indicators
System Status LED Indicators and Power On/Standby Switch ............................... 3-2
Hot-Plug Hard Drive LED Indicators ...................................................................... 3-4
Hot-Plug Drive Replacement Guidelines ......................................................... 3-6
Unsafe Hot-Plug Drive Replacement Precautions............................................ 3-7
Predictive Failure Alert .................................................................................... 3-8
Network Controller Status LED Indicators............................................................ 3-10
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iv Compaq ProLiant ML350 Troubleshooting Guide
Chapter 4
Switch Settings
System Configuration Switch (SW1) Settings ......................................................... 4-2
Clearing and Resetting System Configuration Settings .................................... 4-3
Enabling ROMPaq Disaster Recovery Mode ................................................... 4-3
Server Feature Board Switch (SW3) Settings .......................................................... 4-4
Appendix A
Array Diagnostic Utility
Array Diagnostic Utility (ADU) ............................................................................. A-1
Starting the Array Diagnostic Utility (ADU) .......................................................... A-2
Array Diagnostic Utility (ADU) Error Messages.................................................... A-3
Appendix B
POST Error Messages
Index
List of Figures
Figure 3-1. Power On/Standby switch, and system status
LED indicators ................................................................................................... 3-3
Figure 3-2. Hot-plug hard drive LED indicators..................................................... 3-4
Figure 3-3. Network controller status LED indicators .......................................... 3-10
Figure 4-1. System configuration switch (SW1) settings........................................ 4-2
Figure 4-2. Server Feature Board switch (SW3) settings........................................ 4-4
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Contents v
List of Tables
Organization ..............................................................................................................vii
ProLiant ML350 Resources ....................................................................................... xv
Table 1-1 Minimum Hardware Configuration ......................................................... 1-1
Table 1-2 Diagnosis Steps ....................................................................................... 1-3
Table 1-3 The Front Panel Power On/Standby LED Is Not On............................... 1-4
Table 1-4 Server Does Not Have Video .................................................................. 1-5
Table 1-5 Audible Power-On Self-Test Error Messages ......................................... 1-6
Table 2-1 Supported Operating Systems ................................................................. 2-2
Table 2-2 Installation Problems ............................................................................... 2-3
Table 3-1 System Status LED Indicators................................................................. 3-3
Table 3-2 Hot-Plug Hard Drive LED Indicator Status Combinations ..................... 3-5
Table 3-3 Network Controller Status LED Indicators ........................................... 3-10
Table 4-1 System Configuration Switch (SW1) Settings ........................................ 4-2
Table 4-2 Server Feature Board Switch (SW3) Settings ......................................... 4-4
Table A-1 Array Diagnostic Utility (ADU) Error Messages ...................................A-3
Table B-1 POST Error Messages.............................................................................B-2
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About This Guide
This troubleshooting guide provides specific information to troubleshoot your
ProLiant ML350 server. Use this guide to find details about server startup
problems, switch settings, status indicators, Power-On Self-Test messages,
Array Diagnostic Utility messages, and more. For information about general
troubleshooting techniques, diagnostic tools, and preventative maintenance,
refer to the Compaq Servers Troubleshooting Guide, also included in your user
documentation.
WARNING: To reduce the risk of personal injury or damage to the equipment,
refer to the user documentation supplied with the server and observe the
appropriate safety precautions.
Organization
What will I find? Where do I find it?
Compliance with the minimum hardware configuration for your Chapter 1
ProLiant ML350 server is required to power up the server and run
an operating system. This is often a good place to start diagnosis
after you have changed your hardware configuration.
You are provided with step-by-step instructions on what to try Chapter 1
and where to go for help, for the most common problems
encountered during the initial Power-On Self-Test. This test must
be completed each time you power up your server, before the
server can load the operating system and start running software
applications.
continued
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viii Compaq ProLiant ML350 Troubleshooting Guide
Organization continued
What will I find? Where do I find it?
It is possible to encounter errors when using an operating system Chapter 2
that is not compatible with your server. Check Table 2-1,
Supported Operating Systems, for the name and version of each
operating system supported for your server.
Once your server has passed the Power-On Self-Test, you may Chapter 2
still encounter errors, such as an inability to load your operating
system. You are provided with instructions on what to try, and
where to go for help, when you encounter errors after completion
of the Power-On Self-Test.
There are several status LEDs located on the front and back of Chapter 3
your server. These LEDs can communicate the current status of
varying aspects of your server's components and operations, thus
aiding you in diagnosing your problem. You are provided with an
illustration of the location of each LED on your server, as well as
an explanation of uses and possible statuses.
There are 2 switch banks in your server. These may need to be Chapter 4
changed from time to time, and can cause problems if they are
not set correctly. You are provided with a list of all switches, a
description of what each setting means, and an illustration of
where each may be found inside your server.
The Array Diagnostic Utility collects information on all the array Appendix A
controllers in the system, and generates a list of detected
problems in the form of error messages. Each message is listed
alphabetically, with a corresponding explanation and list of
corrective measures to take.
The Power-On Self-Test error messages are generated each time Appendix B
the server is powered up. Each message is listed numerically,
with a corresponding explanation and list of corrective measures
to take.
For further troubleshooting information, both general and specific to
ProLiant ML350 servers, see "Additional Resources," later in this section.
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About This Guide ix
Text Conventions
This document uses the following conventions to distinguish elements of text:
Keys appear in boldface. A plus sign (+) between
Keys
two keys indicates that they should be pressed
simultaneously.
USER INPUT User input appears in a different typeface and in
uppercase.
FILENAMES File names appear in uppercase italics.
Menu Options, These elements appear in initial capital letters.
Command Names,
Dialog Box Names
COMMANDS, These elements appear in uppercase.
DIRECTORY NAMES,
and DRIVE NAMES
When you are instructed to type information, type
Type
the information without pressing the Enter key.
without Enter
When you are instructed to enter information, type
Enter
the information and then press the Enter key.
Enter
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x Compaq ProLiant ML350 Troubleshooting Guide
Symbols in Text
These symbols may be found in the text of this guide. They have the following
meanings.
WARNING: Text set off in this manner indicates that failure to follow directions
in the warning could result in bodily harm or loss of life.
CAUTION: Text set off in this manner indicates that failure to follow directions
could result in damage to equipment or loss of information.
IMPORTANT: Text set off in this manner presents clarifying information or specific
instructions.
NOTE: Text set off in this manner presents commentary, sidelights, or interesting points
of information.
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About This Guide xi
Symbols on Equipment
These icons may be located on equipment in areas where hazardous conditions
may exist.
Any surface or area of the equipment marked with these symbols
indicates the presence of electrical shock hazards. Enclosed area
contains no operator serviceable parts.
WARNING: To reduce the risk of injury from electrical shock hazards,
do not open this enclosure.
Any RJ-45 receptacle marked with these symbols indicates a Network
Interface Connection.
WARNING: To reduce the risk of electrical shock, fire, or damage to
the equipment, do not plug telephone or telecommunications
connectors into this receptacle.
Any surface or area of the equipment marked with these symbols
indicates the presence of a hot surface or hot component. If this
surface is contacted, the potential for injury exists.
WARNING: To reduce the risk of injury from a hot component, allow
the surface to cool before touching.
Power Supplies or Systems marked with these symbols
indicate the equipment is supplied by multiple sources of
power.
WARNING: To reduce the risk of injury from electrical shock,
remove all power cords to completely disconnect power from
the system.
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xii Compaq ProLiant ML350 Troubleshooting Guide
WARNING: Any product or assembly marked with these symbols
indicates that the component exceeds the recommended weight for
one individual to handle safely.
XX kg
XX lb WARNING: To reduce the risk of personal injury or damage to the
equipment, observe local occupational health and safety
requirements and guidelines for manual material handling.
Rack Stability
WARNING: To reduce the risk of personal injury or damage to the equipment,
be sure that:
s The leveling jacks are extended to the floor.
s The full weight of the rack rests on the leveling jacks.
s The stabilizing feet are attached to the rack if it is a single rack installation.
s The racks are coupled together in multiple rack installations.
s Only one component is extended at a time. A rack may become unstable if
more than one component is extended for any reason.
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About This Guide xiii
Warning Information
For a complete list of warnings associated with your server, refer to the user
documentation provided with your server.
WARNING: To reduce the risk of personal injury from hot surfaces, allow the
internal system components to cool before touching.
WARNING: This product is very heavy. To reduce the risk of
personal injury or damage to the equipment:
s Remove all pluggable power supplies and modules to reduce
25-30 kg
the weight of the product before lifting it.
55-65 lb
s Observe local occupational health and safety requirements and
guidelines for manual material handling.
s Get help to lift and stabilize the product during installation or
removal, especially when the product is not fastened to the
rails.
s When installing the product in or removing the product from
the rack, the product will be unstable when not fastened to the
rails.
WARNING: To reduce the risk of electric shock or damage to the equipment:
s Do not disable the power cord grounding plug. The grounding plug is an
important safety feature.
s Plug the power cord into a grounded (earthed) electrical outlet that is
easily accessible at all times.
s Install the power supply before connecting the power cord to the power
supply.
s Unplug the power cord before removing the power supply from the server.
s If the system has multiple power supplies, disconnect power from the
system by unplugging all power cords from the power supplies.
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xiv Compaq ProLiant ML350 Troubleshooting Guide
Additional Resources
If you have a problem and have exhausted the information in this guide, you
can obtain further information and help.
Telephone Numbers
In the United States and Canada, call the Compaq Technical Support Center at
1-800-OK-COMPAQ (1-800-652-6672), where a technical support specialist
will help you diagnose the problem. For continuous quality improvement, calls
may be recorded or monitored.
For the latest worldwide telephone numbers, refer to the Compaq website:
http://www.compaq.com
For the name of your nearest Compaq authorized reseller:
In the United States, call 1-800-345-1518
s
In Canada, call 1-800-263-5868
s
NOTE: For additional resources outside the United States and Canada, contact your
Compaq authorized service provider.
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About This Guide xv
Other Information Resources
Refer to the following additional information for help.
ProLiant ML350 Resources
Resource What it is
Compaq ProLiant ML350 This book provides step-by-step instructions on the setup and
Setup and Installation Guide installation of your server.
Compaq Servers This is a resource for obtaining troubleshooting information that is
Troubleshooting Guide beyond the scope of this document, including general hardware and
software troubleshooting information for all Compaq ProLiant servers.
Compaq ProLiant ML350 This resource provides a complete list of all replacement parts
Maintenance and Service Guide available, along with step-by-step instructions on installation and
replacement. Find this book on the Compaq website:
http://www.compaq.com/support/servers/
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1
Chapter
Server Startup Errors
This chapter provides step-by-step instructions on what to try and where to go
for help, for the most common problems encountered during the initial
Power-On Self-Test. Remember, this test must be completed each time you
power up your server, before the server can load the operating system and start
running software applications.
Minimum Hardware Configuration
Before beginning, make sure your server meets the requirements for minimum
hardware configuration. During the troubleshooting process, it may be
necessary to reduce your system to its minimum configuration, replacing each
option one at a time to determine the cause of failure.
Table 1-1
Minimum Hardware Configuration
Component Minimum Specification
Processors One processor with a corresponding Processor Power Module (PPM) must be
installed in processor slot 1, and a processor terminator card in processor slot 2.
Fan A fan must be installed and connected to the system board.
Memory At least one slot must be populated with a 64-MB (ECC 133-MHz registered) or
higher SDRAM DIMM module.
Server Feature Board The Server Feature Board is installed in PCI slot 1. The Server Management
Information Cable (SMIC) must be connected.
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1-2 Compaq ProLiant ML350 Troubleshooting Guide
When the Server Will Not Start
Follow the sequence of steps below when the server will not start:
1. Verify the computer and monitor are plugged into a working outlet.
2. Make sure your server meets the minimum hardware requirements. See
the section "Minimum Hardware Configuration" in this chapter.
3. Make sure your power source is working properly. Refer to the "Power
Source" section in Chapter 2 of the Compaq Servers Troubleshooting
Guide.
4. If the system does not complete the Power-On Self-Test (POST) or start
loading an operating system, refer to "General Loose Connections" in
Chapter 2 of the Compaq Servers Troubleshooting Guide.
NOTE: If the server is power cycling, verify the system is not rebooting due to an
Automatic Server Recovery boot caused by another problem. Check Compaq Insight
Manager for notification of this event. Refer to chapters 4 and 6 in the Compaq Servers
Troubleshooting Guide for more information.
5. Continue with the following section to decide your next course of
action.
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Server Startup Errors 1-3
Diagnosis Steps
If your server does not power up, or powers up but does not complete the
Power-On Self-Test (POST), answer the questions in this table to determine
appropriate actions for the symptoms observed. Based on the answers you
give, you will be directed to the appropriate table in this section for further
instructions. The following table outlines possible reasons for the problem,
options available to assist in diagnosis, possible solutions available, and
references to other sources of information.
Table 1-2
Diagnosis Steps
Question The Next Step
Question 1: Is the front panel If no, go to Table 1-3.
Power On/Standby LED on?
If yes, continue to Question 2.
Question 2: Do you have video? If no, go to Table 1-4.
If yes, video is available for diagnosis.
Determine next action by observing
Power-On Self-Test (POST) progress and
error messages. See Appendix B for a
complete description of each POST error
message.
NOTE: If your server attempts to load the operating system, continue to Chapter 2 of this
guide.
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1-4 Compaq ProLiant ML350 Troubleshooting Guide
Table 1-3
The Front Panel Power On/Standby LED Is Not On
See Chapter 3 for a complete description of system status LEDs.
Possible Reasons The Next Step
1. Be sure the bezel doors are fully closed.
There is no AC power connection.
2. Depress the power switch.
Bezel door is not closed.
3. Check the power cables. Make sure they are fully
Power switch is not completely depressed.
connected.
Power switch connector cable is not connected
4. Check power source. Refer to "Power Problems"
properly to the motherboard.
in Chapter 2 of the Compaq Servers
Processor or Processor Power Module (PPM) Troubleshooting Guide for further options.
has failed, or is not seated properly.
5. Try reconnecting the power switch cable to the
motherboard. Refer to the Compaq
ProLiant ML350 Setup and Installation Guide for
complete instructions.
6. Reseat all expansion boards, processors, memory
modules and PPMs, and verify all cables are
securely connected. Refer to "General Hardware
Problems" in Chapter 2 of the Compaq Servers
Troubleshooting Guide for tips on proper
procedures.
7. If these steps do not correct the problem, the
most likely cause lies in the power supply
subsystem. Contact your Compaq authorized
service provider for further technical support.
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Server Startup Errors 1-5
Table 1-4
Server Does Not Have Video
Possible Reasons The Next Step
1. Verify the monitor has power and the monitor
Video may not be connected properly.
cable is securely connected. If more than one
Switches may not be set correctly on the Server video adapter is installed, make sure the monitor
Feature Board (SW3). is connected to the correct video card.
If an optional video card was installed, check 2. Verify the monitor is functional by attaching it to a
the monitor cable. known working server.
The monitor may be connected to the wrong 3. Verify the switch settings on the Server Feature
video connector. Board are correctly set. See "Server Feature
Board Switch (SW3) Settings" in Chapter 4.
4. Reseat all cards, processors, DIMMs and PPMs,
and verify all cable connections.
5. Are there any audible indicators, such as a series
of beeps? A series of beeps indicates the
presence of a Power-On Self-Test (POST) error
message. Table 1-5 lists the error messages
most likely encountered upon reaching this stage
of the diagnosis process. See Appendix B for a
complete listing of possible POST error
messages.
6. Refer to "Video Problems" in Chapter 2 of the
Compaq Servers Troubleshooting Guide.
7. If these steps do not correct the problem, the
most likely diagnosis lies in the system ROM or
video subsystem. Contact your Compaq
authorized service provider for further technical
support.
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1-6 Compaq ProLiant ML350 Troubleshooting Guide
Table 1-5
Audible Power-On Self-Test Error Messages
Audible Alarm Possible Source Recommended Action
of Problem
1 long, 2 short Missing or 1. Check Server Feature Board switch
disabled video settings. See Chapter 4 for correct
adapter settings.
2. Reseat Server Feature Board.
2 long Missing or failed 1. If no memory modules are present,
system memory install at least one memory module, to
conform to minimum hardware
configuration specifications.
2. Reseat all installed memory modules.
3. If the system contains more than one
memory module, remove one module,
and then restart the server. Repeat as
needed to isolate the failed memory
module.
1 long, 3 short Corrupted system Refer to Chapter 5 of the Compaq Servers
ROM Troubleshooting Guide for detailed
instructions on the process used for ROMPaq
disaster recovery.
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2
Chapter
Server Operation Errors
This chapter outlines the process of troubleshooting your server when
problems occur after the initial power-up sequence and during server
operation.
NOTE: If the server is power cycling, verify the system is not restarting due to an
Automatic Server Recovery power-up, caused by another problem. Check Compaq Insight
Manager for notification of this event. Refer to chapters 4 and 6 in the Compaq Servers
Troubleshooting Guide for more information.
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2-2 Compaq ProLiant ML350 Troubleshooting Guide
Operating System Support
In order to operate properly, your server must have a supported operating
system. The following table lists the operating systems and version numbers
supported by this server.
Table 2-1
Supported Operating Systems
Operating System Version(s) Supported
Novell NetWare 5, 4.2, 3.2
Novell NetWare for Small Business 4.2
Novell NetWare Small Business Suite 5
4.0
Microsoft Windows NT Server
4.01
Microsoft Windows NT Server Terminal Edition
When available
Windows 2000 Server
4.5
Windows BackOffice Small Business Server
SCO UNIXWare 7.1
SCO UNIX OpenServer 5.0.5
For updated information on supported operating systems for your specific
platform, refer to the Compaq website:
http://www.compaq.com
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Server Operation Errors 2-3
Server Installation Problems
Table 2-2
Installation Problems
Problem Possible Cause Possible Solution
System Wrong version of Check the SmartStart Release and the SmartStart user
cannot load SmartStart. documentation.
SmartStart.
CD is not set as a 1. Press F10 to run the BIOS Setup Utility.
bootable device.
2. Set defaults and exit the utility.
3. Re-run this utility to select the primary operating
system.
Refer to Chapter 5 in the Compaq ProLiant ML350 Setup
and Installation Guide for complete instructions on the use
of this utility.
IDE Cable is not Check the cable between the system board and CD-ROM to
connected to CD-ROM. ensure proper connection.
Diskette in disk drive is Remove the diskette from the diskette drive.
preventing the system
from loading.
SmartStart Operating system has Press F10 to run the BIOS Setup Utility, and select the
fails during not been selected. primary operating system. Refer to Chapter 5 in the
installation. Compaq ProLiant ML350 Setup and Installation Guide for
complete instructions.
Error occurs during * Follow the error information provided. If it is necessary to
installation. reinstall, run the Compaq System Erase Utility. Refer to
Chapter 4 of the Compaq Servers Troubleshooting Guide.
* CAUTION: The Compaq System Erase Utility will cause loss of all configuration information, as
well as loss of existing data on all connected hard drives. Please read "Running the Compaq
System Erase Utility" and the associated warning in Chapter 4 of the Compaq Servers
Troubleshooting Guide, prior to performing this operation.
continued
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2-4 Compaq ProLiant ML350 Troubleshooting Guide
Table 2-2
Installation Problems continued
Problem Possible Cause Possible Solution
Server cannot Required operating Follow these steps:
load operating system step was
1. Note at which phase the operating system failed.
system. missed.
2. Remove any loaded operating system components.
3. Refer to your operating system documentation.
4. Reinitiate installation procedures.
Installation problem Refer to your operating system documentation and to the
occurred. SmartStart Release Notes.
Primary hard disk Press F10 to run the BIOS Setup Utility and correct this
controller problem. Refer to Chapter 5 in the Compaq ProLiant ML350
installation is Setup and Installation Guide for complete instructions.
incorrect.
Hard disk controller Press F10 to run the BIOS Setup Utility and correct this
order is incorrect. problem. Refer to Chapter 5 in the Compaq ProLiant ML350
Setup and Installation Guide for complete instructions.
Problem Refer to the documentation provided with the hardware.
encountered with
Remove the new hardware.
hardware newly
added to the
system.
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3
Chapter
Status Indicators
There are a variety of status LEDs located on the front and back of your
server. These LEDs can communicate the current status of varying aspects of
your server's components and operations, thus aiding you in diagnosing your
problem. The following LEDs, provided for use with the ProLiant ML350, are
explained in this chapter:
System status LEDs (on the front panel of the server)
s
G Power On/Standby status
G Hard drive status (for all installed hot-plug and non-hot-plug drives
Hot-plug hard drive LEDs (located on the front of the physical drive)
s
G Drive activity
G Power/online status
G Fault status
Network controller status LEDs (on the rear of the server)
s
G Network link status
G Network activity status
G Connection speed
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3-2 Compaq ProLiant ML350 Troubleshooting Guide
System Status LED Indicators and
Power On/Standby Switch
The system status LEDs and the Power On/Standby switch are located on the
front panel of each server.
The Power On/Standby switch is the button you press to:
Turn the server on (provide AC power).
s
Place the server in or out of standby mode.
s
Remove power from the server.
s
The System Status LEDs show:
Power On/Standby status
s
Hard drive status (for all installed hot-plug and non-hot-plug drives)
s
See Figure 3-1 and Table 3-1 for an explanation of each possible LED status.
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Status Indicators 3-3
1
2 3
Figure 3-1. Power On/Standby switch, and system status
LED indicators
Table 3-1
System Status LED Indicators
Indicator Status Means
Green System on, AC power OK. Do
Power On/Standby
not remove power from system.
status
Flashing System in standby mode. AC
power OK. Do not remove
power from system.
Off System off, no AC power.
On or Drive being accessed.
Hard drive status
Flashing
Off Drive not being accessed.
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3-4 Compaq ProLiant ML350 Troubleshooting Guide
Hot-Plug Hard Drive LED Indicators
If your server does not include the hot-plug hard drive option, view drive
activity and status by way of the system status LEDs, discussed earlier in this
chapter. The hot-plug hard drive LEDs, located on each physical hot-plug
drive, are visible on the front of the server or external storage unit. They
provide activity, online, and fault status for each corresponding drive when
configured as a part of an array and attached to a powered-on controller. Their
behavior may vary, depending on the status of other drives in the array.
This section provides the following information about hard drive LEDs:
An illustration detailing the location of each LED
s
A table of the possible LED configurations and what each combination
s
means
Details about hot-plug drive rapid error recovery, and guidelines for
s
utilizing Compaq Insight Manager's predictive failure alert
Guidelines for hot-plug drive replacement
s
For additional information on troubleshooting hard drive problems, refer to
"Hard Drive Problems" and "SCSI Device Problems" in Chapter 2 of the
Compaq Servers Troubleshooting Guide.
Use the following illustration in conjunction with Table 3-2 to analyze the
current status for hot-plug hard drives attached to a Compaq Smart Array
controller:
3
2
1
Figure 3-2. Hot-plug hard drive LED indicators
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Status Indicators 3-5
Table 3-2
Hot-Plug Hard Drive LED Indicator Status Combinations
Means
Activity Online Fault
IMPORTANT: It is recommended that you familiarize yourself with the guidelines following this table prior
to performing a drive replacement.
On Off Off Do not remove the drive. Removing a drive during
this process will cause data loss.
The drive is being accessed and is not configured as
part of an array.
On Flashing Off Do not remove the drive. Removing a drive during
this process will cause data loss.
The drive is rebuilding or undergoing capacity
expansion.
Flashing Flashing Flashing Do not remove the drive. Removing a drive during
this process will cause data loss.
The drive is part of an array being selected by the
Array Configuration Utility.
-Or-
The Options ROMPaq is upgrading the drive.
Off Off Off OK to replace the drive online if a predictive failure
alert is received (see the following section for details)
and the drive is attached to an array controller.
The drive is not configured as part of an array.
-Or-
If this drive is part of an array, then a powered-on
controller is not accessing the drive.
-Or-
The drive is configured as an online spare.
continued
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3-6 Compaq ProLiant ML350 Troubleshooting Guide
Table 3-2
Hot-Plug Hard Drive LED Indicator Status Combinations continued
Means
Activity Online Fault
Off Off On OK to replace the drive online.
The drive has failed, and has been placed off-line.
Off On Off OK to replace the drive online if a predictive failure
alert is received (see the following section for details),
provided that the array is configured for fault tolerance
and all other drives in the array are online.
The drive is online and configured as part of an array.
On or On Off OK to replace the drive online if a predictive failure
Flashing alert is received (see the following section for details),
provided that the array is configured for fault tolerance
and all other drives in the array are online.
The drive is online and being accessed.
Hot-Plug Drive Replacement Guidelines
You should be able to hot-plug a drive during normal activity. Be aware,
however, that hot-plugging a disk drive will affect system performance and
fault tolerance.
NOTE: Depending upon your configuration, both a drive failure and the subsequent
rebuild process will cause storage subsystem performance degradation. For example, the
replacement of a single drive on an array with 50 logical drives will have less impact to
performance than if the array has 3 logical drives.
When a disk drive is hot-plugged, although the system is functionally
operational, the disk subsystem may no longer be fault tolerant. Fault tolerance
will be lost until the removed drive is subsequently replaced and the rebuild
and
operation is completed (this will take several hours, even if the system is not
busy while the rebuild is in progress). If another drive in the array should incur
an error during the period when fault tolerance is unavailable, it is possible to
cause a fatal system error due to a data error. If another drive fails during this
period, the entire contents of the array will be lost.
IMPORTANT: It is recommended that disk drive replacement be performed during low
activity periods whenever possible. In addition, ensure you have a complete backup of the
array containing the drive being replaced. This applies even if drive replacement is being
made during server downtime.
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Status Indicators 3-7
Unsafe Hot-Plug Drive Replacement Precautions
Be aware of the following Compaq guidelines cautioning unsafe hot-plug
replacement.
Do not remove a degraded drive (one that has been marked for
s
predictive failure) if any other member of the array is off-line (the online
LED is off). No other drive in the array can be hot-plugged without data
loss. The possible exception might be the utilization of RAID 0+1 as a
fault tolerant form. In this case, drives are mirrored in pairs; more than
one drive can fail and be replaced as long as the drive(s) to which they
are mirrored are online.
Refer to the Smart Array controller user guide for information on fault
tolerance options.
Do not remove a degraded drive if any member of an array is missing
s
(previously removed and not yet replaced).
Do not remove a degraded drive if any member of an array is being
s
rebuilt unless the drive being rebuilt has been configured as an online
spare. The drive's online LED will be flashing, indicating that a
replaced drive is being rebuilt from data stored on the other drives.
NOTE: An online spare will not activate and start rebuilding after a predictive failure alert,
because the degraded drive is still online. The online spare activates only after a drive in
the array has failed.
Do not replace multiple degraded drives at the same time (for example,
s
when the system is off), since the fault tolerance may be compromised.
When a drive is replaced, the controller uses data from the other drives
in the array to reconstruct data on the replacement drive. If more than
one drive is removed, a complete data set is not available to reconstruct
data on the replacement drive(s), and permanent data loss could occur.
CAUTION: Do not turn off an attached disk drive enclosure when the server
containing the Smart Array controller is powered up. Also, do not turn on the
server before turning on the disk enclosure. If these ordering rules are not
followed, the Smart Array controller may mark the drives in this enclosure as
"failed," which could result in permanent data loss.
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3-8 Compaq ProLiant ML350 Troubleshooting Guide
Predictive Failure Alert
The predictive failure alert is a powerful problem-prevention tool that warns
you when the system has determined a drive failure is imminent. This alert
allows you to proactively schedule downtime for maintenance and not
interrupt critical business operations. In addition, with hot-pluggable drives
attached to Compaq Smart Array controllers, you can remove and replace one
or several drives within a server while the system is online, which minimizes
the interruption of the network, server downtime, and data loss. Refer to your
Compaq Insight Manager and Compaq Management Agents documentation
(found on the Compaq Management CD) for instructions on implementing this
function.
CAUTION: Not following these guidelines could result in data loss.
CAUTION: It is recommended that some level of fault tolerance be utilized in
your RAID configuration. Refer to your Smart Array controller user guide for
information on fault tolerance options.
IMPORTANT: You must use Compaq Insight Manager and a Compaq Smart Array
controller to manage the drive array on your server if you wish to implement Predictive
Failure Alert.
Predictive Failure Replacement Guidelines
To minimize server downtime and data loss, use these guidelines when
Compaq Insight Manager implements a predictive failure alert. The alert
indicates that a drive is degraded and should be replaced.
Make sure all physical drives in the affected array are present and have
s
the online LEDs illuminated before removing the degraded hot-plug
drive. If any online LEDs are flashing (indicating a rebuild) or are not
illuminated, the degraded drive should not be removed.
For step-by-step instructions on hot-plugging your hard drive, refer to
the Compaq ProLiant ML350 Setup and Installation Guide.
If you are upgrading to larger drives in the array, follow the previously
s
stated rules and ensure each drive has completed its rebuild before
adding the next new drive to the array.
You must follow the Compaq cabling guidelines when configuring your
s
array to implement the best possible cabling solution for your server.
Refer to the Compaq ProLiant ML350 Setup and Installation Guide for
step-by-step instructions.
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Status Indicators 3-9
Check for cabling configurations that are not supported. Signal integrity
s
errors may be injected into the SCSI bus when an active drive is
hot-plugged.
Make sure fault tolerance is not currently being used to recover from
s
errors to other drives in the array, such as media errors or signal
integrity errors. Loss of fault tolerance following a drive replacement
may result in problems.
CAUTION: In extreme cases, when the number of errors is greater than the
firmware error recovery is able to sustain, hot-plugging an online drive may
cause some unrecoverable errors to be reported to the operating system or may
cause a complete failure of the array. Refer to your operating system
documentation for more information on implications, as well as possible
recovery options.
IMPORTANT: Before replacing a degraded drive, use Compaq Insight Manager to
examine the error counters recorded for each physical drive in the array and to verify that
such errors are not presently occurring. Refer to the Compaq Insight Manager
documentation on the Compaq Management CD.
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3-10 Compaq ProLiant ML350 Troubleshooting Guide
Network Controller Status LED Indicators
The network controller status LEDs are located on the back of the server. They
provide the following information:
Whether the server is linked to the network
s
Whether there is current network activity
s
The speed at which the network is being accessed.
s
Table 3-3 provides an explanation of each LED status.
1 2 3
Figure 3-3. Network controller status LED indicators
Table 3-3
Network Controller Status LED Indicators
Indicator Status Description
Off No network link
Link
On Linked to network
Off No network activity
Activity
On or flashing Network activity
Off 10 Base TX 10 Mb/sec (10 base TX Ethernet)
Speed
On 100 Base TX 100 Mb/sec (100 base TX Ethernet)
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4
Chapter
Switch Settings
The ProLiant ML350 server contains two switch banks. These may need to be
changed from time to time and can cause problems if they are not set correctly.
This chapter explains the use of each nonreserved switch.
The system configuration switch (SW1) is located on the system board. You
may use it to:
Enable or disable power-on password protection.
s
Clear all system configuration information from CMOS and nonvolatile
s
RAM (NVRAM).
Specify a tower or rack configuration for server management software.
s
Enable or disable ROMPaq disaster recovery mode.
s
The server feature board switch (SW3) allows you to enable or disable
embedded video.
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System Configuration Switch (SW1)
Settings
on
1234
Figure 4-1. System configuration switch (SW1) settings
Table 4-1
System Configuration Switch (SW1) Settings
Position Default Function Description Settings
1 Off Clear/setup Used to disable Off = Password is enabled.
Password password
On = Password is disabled.
2 Off Clear CMOS Used to clear system Off = Normal
and NVRAM configuration settings
On = When server is powered on, all
system configuration information
will be erased.
3 Off Tower or Used to specify a Off = Tower configuration
rack tower or rack
On = Rack configuration
configuration configuration
4 Off ROMPaq Used to enable Off = Normal server operations
disaster ROMPaq disaster mode
recovery recovery mode when
On = ROMPaq disaster recovery
enable system ROM is
mode
corrupted
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Switch Settings 4-3
Clearing and Resetting System
Configuration Settings
When SW1, position 2 is set to the on position, the system is prepared to erase
all system configuration settings from both CMOS and NVRAM. You should
then:
1. Power up the server.
All configuration settings are then erased. At the completion of this
process, all system operations will halt.
2. Power down the server.
3. Reset the position 2 switch to the default off position.
4. Power up the server.
5. Press F10 to run the BIOS Setup Utility and reset all system
F10
configuration settings.
NOTE: For complete instructions on how to use the BIOS Setup Utility, refer to Chapter 5
of the Compaq ProLiant ML350 Setup and Installation Guide.
Enabling ROMPaq Disaster Recovery Mode
A corrupted system ROM will require that you recreate the ROM BIOS by a
process called ROM flash. This can be accomplished only when the system is
in disaster recovery mode. Set SW1 position 4 to on, to enable ROMPaq
disaster recovery mode.
IMPORTANT: Prior to performing this operation, refer to Chapter 5 of the Compaq
Servers Troubleshooting Guide for complete instructions on disaster recovery.
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4-4 Compaq ProLiant ML350 Troubleshooting Guide
Server Feature Board Switch (SW3)
Settings
on
12345678
Figure 4-2. Server Feature Board switch (SW3) settings
Table 4-2
Server Feature Board Switch (SW3) Settings
Position Default Function Description Settings
1 Off Embedded Used to disable the onboard Off = Embedded video is
video video controller when an enabled.
enable optional video adapter is
On = Embedded video is
installed.
disabled.
2 Off Reserved
3 Off Reserved
4 Off Reserved
5 Off Reserved
6 Off Reserved
7 Off Reserved
8 Off Reserved
Note: Positions 2 through 8 are reserved for Compaq authorized service providers only. Please do not
change these switches from the specified default settings.
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A
Appendix
Array Diagnostic Utility
Array Diagnostic Utility (ADU)
The Array Diagnostic Utility (ADU) is a Windows-based tool designed to run
on all Compaq servers that support Compaq array controllers and are running
SmartStart 4.10 or later. The two main functions of ADU are to collect all
possible information about the array controllers in the system and generate a
list of detected problems. The error messages and codes listed include all
codes generated by Compaq products. Your system generates only codes
applicable to your configuration and options.
ADU works by issuing multiple commands to the array controllers to
determine if a problem exists. This data can then be saved to a file. In severe
situations, this file can be sent to Compaq for analysis. In most cases, ADU
will provide enough information to initiate problem resolution immediately.
NOTE: ADU does not write to the drives or destroy data. It does not change or remove
configuration information.
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A-2 Compaq ProLiant ML350 Troubleshooting Guide
Starting the Array Diagnostic Utility (ADU)
1. Insert the SmartStart CD into the CD-ROM drive.
2. Restart the system from the SmartStart CD.
3. Select Array Diagnostic Utility (ADU) on the System Utilities Menu.
4. A "Please Wait" panel is displayed, indicating that ADU is identifying
the system parameters.
5. ADU gathers information from all the array controllers in the system.
The time it takes to gather this information depends upon the extent of
your array configuration.
CAUTION: Do not cycle the power during this process. ADU must perform
low-level operations that, if interrupted, could cause the controller to revert to a
previous level of firmware (if the firmware was soft-upgraded).
6. When the information gathering process is complete, ADU will display
either the main screen or a panel indicating problems detected.
7. To generate an ADU report, select File, then Save Data from the
command menu.
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Array Diagnostic Utility A-3
Array Diagnostic Utility (ADU)
Error Messages
Table A-1
Array Diagnostic Utility (ADU) Error Messages
Message Description Recommended Action
Accelerator board Array controller did not detect a Install array accelerator board on array
not detected configured array accelerator board. controller. If an array accelerator board is
installed, check for proper seating on the
array controller board.
Accelerator error log List of the last 32 parity errors on If there are many parity errors, you may need
transfers to or from memory on the to replace the array accelerator board.
array accelerator board. Displays
starting memory address, transfer
count, and operation (read and
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