Dell PowerVault 735N User manual

Contents: Dell PowerVault 735N Systems Service Manual
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Dell™ PowerVault™ 735N Systems Service Manual
Preface
System Overview
Basic Troubleshooting
Codes and Error Messages
Removing and Replacing Parts
Jumpers, Switches, and Connectors
Using the System Setup Program
Information in this document is subject to change without notice.
© 2001 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, PowerEdge, PowerVault, Dell OpenManage, and Dell
ActiveArchive are trademarks of Dell Computer Corporation; Microsoft, MS-DOS, Windows, and Windows
NT are registered trademarks of Microsoft Corporation; Intel and Pentium are registered trademarks of Intel
Corporation; IBM is a registered trademark of International Business Machines Corporation; and Novell and
NetWare are registered trademarks of Novell, Inc; UNIX is a registered trademark of the OpenGroup in the
United States and other countries.
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: 16 Feb 2001

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Preface: Dell™ PowerVault™ 735N Systems Service Manual
Read This First
Notes, Notices, Cautions, and Warnings
Read This First
A prerequisite for using this manual to service Dell computer systems is a basic knowledge of IBM®-
compatible systems/computers and prior training in IBM-compatible systems/computers troubleshooting
techniques. In addition to information provided in this manual and in the Dell PowerVault 735N Systems
User's Guide that came with the system, Dell provides the Dell PowerVault 735N Systems Installation and
Troubleshooting Guide for troubleshooting procedures and instructions on using Dell Diagnostics to test the
computer system.
The sections are summarized as follows:
"System Overview" — Overview of the system's service features and technical specifications.
"Basic Troubleshooting" — Initial checks and procedures used to solve basic system problems and
information on more detailed service and troubleshooting procedures to solve more complex problems.
"Codes and Error Messages" — POST beep codes, system messages, PERC 2/DC beep codes,
system codes, warning messages, diagnostics messages, alert log messages, and SCSI hard-disk
drive indicator codes.
"Removing and Replacing Parts" — Removal and replacement of all field-replaceable parts, including
DIMMs, microprocessors, expansion cards, and SCSI devices.
"Jumpers, Switches, and Connectors" — Jumper or switch settings to change when troubleshooting
and servicing the system.
"Using the System Setup Program" — Using the System Setup program to change the system
configuration information stored in NVRAM on the system board.
Notes, Notices, Cautions, and Warnings
Throughout this manual, there may be blocks of text printed in bold type or in italic type. These blocks are
notes, notices, cautions, and warnings and they are used as follows:
NOTE: A NOTE indicates important information that helps you make better use of the system.
NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how
to avoid the problem.

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CAUTION: A CAUTION indicates a potentially hazardous situation which, if not avoided, may
result in minor or moderate injury.
WARNING: A WARNING indicates a potentially hazardous situation which, if not avoided, could
result in death or serious bodily injury.
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System Overview: Dell™ PowerVault™ 735N Systems Service
Manual
Overview Security Features
System Features Technical Specifications
Service Features
Overview
The Dell PowerVault 735N is an easy-to-install midrange network attached storage (NAS) appliance that is
optimized to provide platform-independent storage resources to multiple servers and clients in a mixed
networked environment. The system installs directly to an existing local area network (LAN) without
disrupting other servers and requires no additional server or client software. The system uses the Microsoft®
Windows® Powered operating system and provides support for the Windows Active Directory. Additional
features include Dell ActiveArchive™ for system directory snapshots and support for Windows, UNIX®,
Novell® NetWare®, and Apple network clients.
The system also provides support for the following components and technologies:
Redundant array of independent disks (RAID) technology
Multiple LAN adapters
Disk hot-swapping
Hot spare disks
Advanced small computer serial interface (SCSI) hard-disk drives
Self-monitoring and report tool (SMART) (monitors the system for hard-disk drive failures)
File encryption
File compression
Dell ActiveArchive is a snapshot utility that allows you to create up to 250 scheduled or unscheduled
snapshots of the entire file system. You can recover deleted files and/or entire directories without accessing
your most recent full or incremental backup, which minimizes the time and effort necessary to recover
accidentally deleted files. Unlike conventional volumes where the data can change every second, snapshots
record an electronic "picture" of the data for a specific moment in time. Each snapshot is mounted as a
volume on the file system and can be scheduled through the Web user interface (UI). Once created, a
snapshot appears as a directory on the original volume. If the file system is damaged or corrupted, the
system administrator can access the snapshot directory on the root directory of each volume and restore the
file system as needed.
Storage resource management is managed and monitored through the PowerVault 735N NAS Manager, a
customized Web UI. Using a compatible Web browser, the system can be managed remotely from any client
computer attached to the network running the Windows operating system. Because the system uses the
Windows Powered operating system that is based on the same code base as Microsoft Windows 2000, any
remote management methods available on the Windows 2000 platform can also be used to manage the
system.

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NOTE: The Windows Powered operating system installed in the PowerVault 735N is dedicated to file
server operations. Consequently, the PowerVault 735N cannot be used in the following capacities:
Primary Domain Controller (PDC)
Windows Internet Naming Service (WINS) server
Dynamic Host Configuration Protocol (DHCP) server
Domain Name System (DNS) server
Microsoft Exchange Server
Simple Query Language (SQL) server
Network Information Service (NIS) server
The system includes an onboard PowerEdge™ Expandable RAID Controller 2/dual channel (PERC 2/DC)
card installed in PCI slot 1. For additional storage, up to three optional PowerVault 210S storage systems
can be attached to the system using an additional PERC 2/DC card (optional) installed in peripheral
component interconnect (PCI) slot 2. The system can be attached to 10/100 or Gigabit networks, depending
on the PCI adapter(s) installed in the system.
The following sections describe the major system and servicing features of the PowerVault 735N NAS
Appliance, as well as the added security features built into the system.
System Features
The storage appliance offers the following major features:
One or two Intel® Pentium® III microprocessors with an internal operating frequency of at least 866
MHz.
Front side bus with an external bus speed of 133 MHz.
Two types of configurations: one processor with 512 MB of system memory or two processors with 1
GB of system memory. Both configurations use registered SDRAM DIMMs in the DIMM sockets on the
system board.
A flash BIOS that can be upgraded if required.
Up to five 1-inch hot-pluggable SCSI hard-disk drives.
A power supply distribution board to accommodate up to two independent power supplies.
A single, 1.44-MB 3.5-inch diskette drive.
A 24X CD-ROM drive.
The system board includes the following features:
Three full-length PCI slots, located in a removable expansion-card cage.
An integrated video graphics array (VGA)-compatible video subsystem with an ATI RAGE IIC video
controller. This video subsystem contains 4 MB synchronous dynamic random access memory

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(SDRAM) video memory (nonupgradable). Maximum resolution is 1600 x 1200 with 256 colors
(noninterlaced).
NOTE: Video components are used for diagnostic purposes only.
An integrated National Semiconductor PC97317 super I/O controller that controls the bi-directional
parallel port, two serial ports, keyboard, mouse, and the diskette drive.
NOTE: The parallel port is not supported.
An integrated Intel 82559 10/100 network interface controller (NIC), providing an Ethernet interface.
A two-channel PERC 2/DC mounted on a PCI card in PCI slot 1 that supports RAID levels 0, 1, 5, 10,
and 50.
Channel A (internal channel) supports five 1-inch internal SCSI hard-disk drives using a SCSI
backplane board. The SCSI backplane board automatically configures the SCSI ID numbers and
SCSI termination on each hard drive, which simplifies drive installation.
Channel B (external channel) supports an optional PowerVault 210S external SCSI enclosure.
An integrated Adaptec AIC-7899 Ultra3 SCSI host adapter (not used in this system)
Integrated server management circuitry that monitors cooling system fan operation as well as critical
system voltages and temperatures.
System board support for the Dell OpenManage™ Remote Assistant when the optional Dell
OpenManage Remote Assistant Card 2 (DRAC 2) is installed, providing additional local and remote
server management.
A PS/2-style keyboard port, dual USB ports, and a PS/2-compatible mouse port.
NOTE: The keyboard and mouse are used for diagnostic purposes only.
The following software is included with the system:
The System Setup program for quickly viewing and changing the system configuration information.
Diagnostics for evaluating the system's components and devices.
NOTE: For information on using the system diagnostics, see "Running the Dell
Diagnostics."
Service Features
The storage system includes the following service features to make troubleshooting and repair easy and
effective, in most cases without tools or service aids:
Dell Diagnostics, which checks the system's hardware and all major system components without any
additional equipment and without destroying any data (if the system can boot)
Embedded server management hardware, which monitors temperatures and voltages throughout the

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system and notifies you if the system overheats, if a system cooling fan malfunctions, or if a power
supply fails
Redundant, hot-pluggable power supplies
Redundant, hot-pluggable RAID hard-disk drives
The system chassis design simplifies removing and replacing system components. You can replace
microprocessors or DIMMs without removing the system board. The Dell-designed SCSI backplane board
and hard-disk drive carriers eliminate the extensive cabling and hard-disk drive configuration usually
required for a SCSI subsystem.
Security Features
The storage system also provides the following security features:
Security support for Windows 2000 Active Directory, Windows NT® Domain and Novell Directory
Services (NDS)
Chassis intrusion sensor that generates an event to the event log when the chassis is opened
System status light that changes to amber while chassis is open
Built-in chassis lock that prohibits unwanted users from accessing the inside of the chassis
Technical Specifications
Processor
Microprocessor type one or two Intel Pentium III microprocessors with an
internal operating frequency of at least 866 MHz and an
external operating frequency of 133 MHz
Front side bus 133 MHz
Internal cache internal to microprocessor
Math coprocessor internal to microprocessor
Expansion Bus
Bus types 32 bit/33Mhz PCI bus
Expansion slots three full-length dedicated PCI slots: PCI1 through PCI3
PCI1: On-board two-channel PERC 2/DC RAID controller

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PCI2: Optional slot for NIC, additional PERC 2/DC,
DRAC 2, or high voltage differential (HVD)/low voltage
differential (LVD) SCSI card for tape backup
PCI3: Optional slot for NIC (recommended)
Memory
DIMM sockets four 72-bit wide, 168-pin sockets
DIMM capacities 256-MB registered PC133 SDRAM DIMMs (must be
certified for 133-MHz operation)
Minimum RAM 512 MB (with one Pentium III processor)
1 GB (with two Pentium III processors)
Maximum RAM
(using 256 MB registered
SDRAM DIMMs)
512 MB (with one Pentium III processor)
1 GB (with two Pentium III processors)
External cache none
Controllers
Network Interface
Controller (NIC) one on-board Intel 10/100 BaseT with support for the following NICs:
Intel 10/100
Intel 10/100S
Intel Dual 10/100
Intel 10/100/1000 Optical Gigabit
Alteon 10/100/1000 Copper Gigabit
Small Computer Serial
Interface (SCSI) one on-board Adaptec 7899 LVD (not used)
Redundant Array of
Independent Disks (RAID) one PERC 2/DC in PCI 1
Channel A (internal channel) reserved for a RAID 0 group
for the operating system, a RAID 5 group for a data
volume, and Dell ActiveArchive files
Channel B (external channel) reserved for an optional
PowerVault 210S storage system with a 12 drive bay disk
array enclosure (DAE)
Drives

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Diskette drive 3.5-inch, 1.44-MB diskette drive included with standard
system
SCSI hard-disk drives five 36 GB hard drives
operating system drive (SCSI ID 0) on Channel A of the
PERC 2/DC RAID controller in its own RAID 0 group with
a hidden cache file, header file, and index file to enable
Dell ActiveArchive technology
data volume (SCSI ID 1-4) on Channel A of the PERC
2/DC RAID controller in its own four-drive RAID 5 group
SCSI devices internal SCSI backplane board provides a physical
connection, hot-plug capability, termination, and
automatic configuration for up to five internal SCSI hard-
disk drives
integrated Adaptec AIC-7899 Ultra3/LVD (U160) SCSI
host adapter (not used)
CD-ROM drive 24X IDE CD-ROM drive included with standard system.
The system is capable of booting from the CD-ROM.
External Ports and Connectors
Serial two 9-pin connectors
Parallel (bi-directional) 25-pin connector (not supported)
Video 15-pin connector
PS/2-style keyboard six-pin mini-DIN connector
PS/2-compatible mouse six-pin mini-DIN connector
USB two USB-compliant 4-pin connectors
Ethernet RJ45 connector for connection to internal embedded NIC
(Intel 82559 10/100 Ethernet controller)
Video
Video type ATI RAGE IIC PCI video controller; VGA connector
Video memory 4-MB SDRAM standard (not upgradeable)
Power
Two hot-pluggable DC power supplies:

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Wattage 330 W (each power supply)
Heat dissipation 1824 BTU/hr (maximum)
Input voltage 100 to 240 V at 50-60 Hz autoranging
Output voltages
and maximum
current
+5 VDC at 35 A
+3.3 VDC at 10 A
+12 VDC at 18 A
–12 VDC at 0.8 A
–5 VDC at 0.3 A
+5 Vfp (volts flea power) at 1.2 A
Backup battery 3-V CR2032 lithium coin cell
Physical
Rack mount (2U):
Height 8.4 cm (3.3 inches)
Width 42.4 cm (16.7 inches)
Depth 66.8 cm (26.3 inches)
Weight 15.87 kg (35.0 lb) minimum configuration
24.94 kg (55.0 lb) maximum configuration
Environmental
Temperature:
Operating 10°C to 35°C (50°F to 95°F)
Storage –40°C to 65°C (–40°F to 149°F)
Relative humidity:
Operating 8% to 80% (noncondensing) 10% per hour gradient
Storage 5% to 95% (noncondensing)
Maximum vibration:
Operating 0.25 G (half-sine wave) at a sweep of 3 to 200 Hz for 15
minutes
Storage 0.5 G at 3 to 200 Hz for 15 minutes
Maximum shock:
Operating six consecutive shock pulses in the positive and
negative x, y, and z axes (one pulse on each side of the