Dell PowerVault 775N Guida
Dell™ PowerVault™ 775N Systems Installation and
Troubleshooting Guide
Introduction
Indicators, Messages, and Codes
Finding Software Solutions
Running System Diagnostics
Troubleshooting Your System
Installing System Options
Installing Drives
Getting Help
Jumpers and Connectors
Abbreviations and Acronyms
Notes, Notices, and Cautions
NOTE: A NOTE indicates important information that helps you make better use of your computer.
NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.
Information in this document is subject to change without notice.
© 2002 Dell Computer Corporation. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden.
Trademarks used in this text: Dell, the DELL logo, PowerVault, Dell OpenManage, Dimension, Inspiron, Dell Precision, OptiPlex, Latitude, and
DellNet are trademarks of Dell Computer Corporation; Intel is a registered trademark of Intel Corporation; Microsoft, MS-DOS, and Windows are
registered trademarks of Microsoft Corporation.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products.
Dell Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own.
Initial release: 24 Apr 02
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Introduction
Dell™ PowerVault™ 775N Systems Installation and Troubleshooting Guide
Other Documents You May Need
Obtaining Technical Assistance
Your system is a high-speed NAS system that offers significant service and upgrade features. The system includes the following service features
to make troubleshooting and repair easy and effective:
Embedded remote access hardware, which monitors temperatures and voltages throughout the system and notifies you if the system
overheats, if a system cooling fan malfunctions, or if a power supply fails
Hot-pluggable cooling fans
Redundant, hot-pluggable power supplies
System upgrade options are offered, including:
An additional microprocessor
Additional system memory
A variety of PCI and PCI-X expansion-card options (including RAID controller cards)
Other Documents You May Need
Besides this Installation and Troubleshooting Guide, the following documentation is included with your system:
The System Information document provides important safety and regulatory information. Warranty information may or may not be
included within this document.
The Setting Up Your System sheet provides general instructions for setting up your system.
The System Administrator's Guide provides system operation and management information.
The NAS Manager online help provides information for using the NAS management software.
The Dell OpenManage Array Manager User's Guide provides information on creating and managing virtual disks, volumes, and RAID
arrays.
The User's Guide describes system features and technical specifications, video and SCSI device drivers, the System Setup program, and
software support utilities.
Documentation included with any options you purchased separately from the system, which includes information that you need to
configure and install these options in your system.
You may also have the following documents.
The Rack Installation Guide describes how to unpack, set up, and install your system in a rack.
Documentation updates are sometimes included with the system to describe changes to the system or software.
NOTE: Always read these updates before consulting any other documentation because the updates often contain information that
supersedes the information in the other documents.
Technical information files—sometimes called release notes—may be included on the system's Resource CD to provide last-minute
updates about technical changes to the system or advanced technical reference material intended for experienced users or technicians.
Obtaining Technical Assistance
If at any time you do not understand a procedure described in this guide or if your system does not perform as expected, a number of tools are
provided to help you. For more information on these help tools, see "Getting Help."
Back to Contents Page
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Indicators, Messages, and Codes
Dell™ PowerVault™ 775N Systems Installation and Troubleshooting Guide
System-Status Indicators
System Identification Indicators
Front-Panel Indicators and Features
Back-Panel Indicators and Features
Power Indicator Codes
SCSI Hard-Drive Indicator Codes
NIC Indicator Codes
Cooling Fan Indicator Codes
LCD Status Messages
System Messages
System Beep Codes
Warning Messages
Diagnostics Messages
Alert Messages
Applications, operating systems, and the system itself are capable of identifying problems and alerting you to them. When a
problem occurs, a message may appear on the monitor or front-panel status LCD, or a beep code may sound.
A variety of messages and codes can indicate when the system is not functioning properly:
System-status indicators
System identification identifiers
Front-panel indicators and features
Back-panel indicators and features
Power indicator codes
SCSI hard-drive indicator codes
NIC indicator codes
Cooling fan indicator codes
LCD status messages
System messages
System beep codes
Warning messages
Diagnostics messages
Alert messages
The system indicators and features are illustrated in Figure 2-1 through Figure 2-6. This section also describes each type of
message, and lists the possible causes and actions you can take to resolve any problems indicated by a message. To
determine what type of message you have received, read the following subsections.
System-Status Indicators
The system's bezel has an indictor that can represent system status when the bezel is installed (see Figure 2-1). The
indicator signifies when the system is operating properly or when the system needs attention. The back-panel indicator
connector allows an indicator to be attached that will also function the same as the bezel indicator (see Figure 2-3).
A caution code signifies a problem with microprocessors, power supply, system or power-supply fans, system temperature,
hard drives, system memory, expansion cards, or integrated SCSI controller.
Table 2-1 lists the system's status indicator codes.
Figure 2-1. System-Status Indicators
Table 2-1. System-Status Indicator Codes
Bezel Indicators Back-Panel Indicators Indicator Code
Status Caution
Off Off Off No power is available to the system.
On Off Blue The system is operating normally.
Off Blinking Amber blinking The system has detected an error and requires attention.
Blinking Off Blue blinking The system is identifying itself (see "System Identification Indicators").
System Identification Indicators
The identification buttons on the front and back panels can be used to identify a particular system within a rack. See
Figure 2-2 to locate the front-panel system identification button. See Figure 2-3 to locate the back-panel system identification
button and indicator.
When either of the identification buttons is pushed, the identification indicator on the back blinks until one of the buttons is
pushed again. If the bezel is installed, the system status indicator will also blink. If an indicator is connected to the back-
panel system status indicator connector, that indicator will also blink.
Systems management software can also be used to cause the status and identification indicators to blink to identify a
particular system. For more information, see the systems management software documentation.
Front-Panel Indicators and Features
Additional indicators are located behind the bezel. The front-panel status LCD provides information using an alphanumeric
character display (see "LCD Status Messages"). See Figure 2-2 for the front-panel indicators and features.
Figure 2-2 shows the front-panel features of the system. Table 2-2 describes the front-panel features.
Figure 2-2. Front-Panel Features
Table 2-2. Front-Panel Features
Component Description
Power
button Turns system power off and on.
The button is enabled in the System Setup program. When disabled, the button can only turn system power
on. For more information, see the User's Guide and the operating system's documentation.
Power
indicator Provides information on power status (see "Power Indicator Codes").
CD and
diskette
drive
indicators
Indicates read or write access to the respective drive.
hard-drive
indicators Provide information on the status of the respective hard drive (see "SCSI Hard-Drive Indicator Codes").
NIC
indicators Indicate whether the NIC has a valid link to the network. (see "NIC Indicator Codes")
Status LCD Can signify when the system is operating correctly or when the system needs attention (see "LCD Status
Messages").
System
identification
button
Can be used to identify a particular system (see "System Identification Indicators").
NMI button Can be used to troubleshoot software and device driver errors when using certain operating systems. This
button is often referred to as a "force dump switch" and can be pressed using the end of a paper clip. When
the option is enabled in the System Setup program and the button is pressed, an NMI alerts the system.
Use this button only if directed to do so by qualified support personnel or by the operating system's
documentation. For more information, see the User's Guide and the operating system's documentation.
Back-Panel Indicators and Features
Figure 2-3 shows the back-panel features of the system. Table 2-3 describes the back-panel indicators.
Figure 2-3. Back-Panel Features
Table 2-3. Back-Panel Indicators
Component Description
Power supply
indicators Provides information on power status (see "Power Indicator Codes").
NIC indicators Provides information on NIC status (see "NIC Indicator Codes").
System status
indicator connector Connects to an indicator that can signify when the system is operating correctly or when the system
needs attention (see "System-Status Indicators").
System
identification
indicator
Signifies when the system is operating correctly or when the system needs attention, and can identify
a particular system (see "System Identification Indicators").
System
identification
indicator
Can be used to identify a particular system (see "System Identification Indicators").
Power Indicator Codes
The system has indicators on the front panel and power supplies that signify system power status.
Power-Button Indicator Codes
The power button controls the power input to the system's power supplies. The power button indicator can provide
information on power status (see Figure 2-2).
Table 2-4 lists the power button indicator codes.
Table 2-4. Power-Button Indicator Codes
Indicator Indicator Code
On Indicates that power is supplied to the system, and the system is operational.
Off Indicates that no power is supplied to the system.
Blinking Indicates that power is supplied to the system, but the system is in a standby state. For more information on
standby states, see your operating system documentation.
Power-Supply Indicator Codes
Each hot-pluggable power supply has indicators that can provide information on power status, fault, and the presence of
power (see Figure 2-4). Table 2-5 lists the power-supply indicator codes.
Figure 2-4. Power-Supply Indicators
Table 2-5. Power-Supply Indicator Codes
Indicator Indicator Code
Power-on Green indicates that the power supply is operational.
Fault Red indicates a problem with the power supply (fan failure, voltage error, and so forth).
Power
present Green indicates that power is present at the power supply and that the system is connected to a power
source.
SCSI Hard-Drive Indicator Codes
Each SCSI hard-drive carrier has two indicators: a drive-busy indicator and a drive-status indicator (see Figure 2-5). The
indicators provide information on the status of the respective hard drive. Table 2-6 lists the drive indicator codes.
Figure 2-5. SCSI Hard-Drive Indicators
Different codes display as drive events occur in the system. For example, in the event of a hard-drive failure, the "drive
failed" code appears. After the drive is selected for removal, the "preparing for removal" code appears. After the replacement
drive is installed, the "preparing for operation, drive online" code appears.
NOTE: The drive-busy indicator signifies whether the hard drive is active on the SCSI bus. This indicator is controlled
by the hard drive.
Table 2-6. SCSI Hard-Drive Indicator Codes
Drive Status Indicator Indicator Code
Drive bay empty, ready for insertion or
removal Off
Drive being prepared for operation, drive
online Steady green
Drive being identified Blinks green four times per second
Drive being prepared for removal Blinks green twice per second at equal intervals
Drive rebuilding Blinks green twice per second at unequal intervals
Drive failed Blinks amber four times per second
Predicted failure for the drive Blinks green, then amber, and then off, repeating this sequence every two
seconds
NIC Indicator Codes
Each NIC on the back panel has an indicator that provides information on network activity and link status (see Figure 2-6).
Table 2-7 lists the NIC indicator codes on the back panel.
The front panel has a link indicator for each NIC (see Figure 2-2). Each indicator signifies whether the corresponding NIC is
connected to a valid link partner on the network.
Figure 2-6. NIC Indicators
Table 2-7. NIC Indicator Codes
Indicator Indicator Code
Link and activity indicators are off The NIC is not connected to the network.
Link indicator is green The NIC is connected to a valid link partner on the network.
Activity indicator is amber blinking Network data is being sent or received.
Cooling Fan Indicator Codes
Each individual fan has a status indicator on the system board adjacent to the respective fan's connector (see Figure 2-7). To
locate the fan connectors on the system board, see Figure A-3. Table 2-8 lists the fan indicator codes.
Figure 2-7. Cooling Fan Indicators
Table 2-8. Cooling Fan Indicator Codes
Indicator Indicator Code
Off The fan is not installed.
Green The fan is operating normally.
Amber blinking The fan is malfunctioning.
LCD Status Messages
The system's bezel indictor can signify when the system is operating correctly or when the system needs attention (see
Figure 2-1). When the bezel indicator signifies an error condition, remove the bezel to see further information provided by the
status LCD.
The LCD can display two lines of alphanumeric characters. The display codes are presented in two color combinations:
White characters on a blue background — Information only; no action is required.
Amber characters on a black background — The system needs attention.
Table 2-9 lists the LCD status messages that can occur and the probable cause for each message. The LCD messages refer to
events recorded in the SEL. For information on the SEL and configuring system management settings, see the systems
management software documentation.
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