Dell PowerVault 35F Manuel utilisateur

Contents: Dell PowerVault 35F User's Guide

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Dell™ PowerVault™ 35F User's Guide

Safety Instructions

Introducing the PowerVault™ 35F

Installing the PowerVault 35F

Understanding the PowerVault 35F Configuration

Configuring the PowerVault 35F

Troubleshooting

Getting Help

Ethernet Pin Assignments

Fibre Channel Interface and Commands

SCSI Interface and Commands

Addressing, Structures and Operation

Management Information Base (MIB)

Regulatory Notices

Warranties, Return Policy, and Year 2000 Compliance

Sample Configuration Examples

Glossary

Information in this document is subject to change without notice.

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 , and DellWare are trademarks of Dell

Computer Corporation; UNIX is a registered trademark of UNIX System Laboratories, Inc., a wholly owned

subsidiary of Novell, Inc.; Microsoft and Windows NT 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.

Contents: Dell PowerVault 35F User's Guide

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Initial release: February 1999

Safety Instructions: Dell PowerVault 35F User's Guide

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Safety Instructions: Dell PowerVault 35F User's Guide

Alert Messages | Laser Safety | Product Information

Alert Messages

WARNING: A WARNING denotes a hazard that can cause personal injury.

CAUTION: A CAUTION denotes a hazard that can cause hardware or software damage.

NOTE: A NOTE denotes information that might be of special interest. A note can point out exceptions to

rules or procedures.

Grounding

This product is a Safety Class 1 product and has a protective earthing terminal. There must be an uninterruptible safety

earth ground from the main power source to the product’s input wiring terminals, power cord, or supplied power cord

set. Whenever it is likely that the protection has been impaired, disconnect the power cord until the ground has been

restored.

Servicing

Any servicing, adjustment, maintenance, or repair must be performed only by authorized service-trained personnel.

There are no operator serviceable parts in this product.

Warranty

If you have any questions about the warranty of this product, contact a Dell sales representative.

Laser Safety

Certification and Classification Information

This product uses Gigabit Interface Converters (GBIC) to interface with Fibre Channel links. Optical GBICs shipped

with this product contain internal lasers. In the USA, all optical GBICs shipped with this unit are certified as Class 1

laser products and conform to the requirements contained in the Department of Health and Human Services (DHHS)

regulation 21 CFR Subchapter J.

Outside the USA, all GBICs are certified as Class 1 laser components that conform to the requirements contained in

the International Electrotechnical Commission (IEC) standard 825 (1994) and Amendment 1 (1990) along with the

CENELEC (European Committee for Electrotechnical Standardization) European Normalization standard EN 60825

(1992).

If other then the shipped optical GBICs are used with this product then the user is required to insure that the optical

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GBIC being used meets all of the above requirements. If the GBIC is not certified then this product’s laser safety

certification becomes null-and-void.

Certifications include one or more of the following:

Recognized Component by Underwriters Laboratories

Certified by the Canadian Standard Association

Certified by VDE (Germany) and/or Certified by Statens Provningsanstalt (SP) in Sweden

The following shows the Class 1 information label specified in IEC 825 and CENELEC HD 482 51. This label is

attached to this product.

Class 1 Laser Product

Laser Klasse 1

Luckan 1 Laserlaite

The following information provides the typical operational parameters for the Optical Laser GBIC included with the

PowerVault 35F.

Laser Information

Parameter Shortwave Longwave

Nomenclature 100-M5-SN-I 100-SM-LC-L

Spectral Centre

Wavelength 770-850nm 1300nm

Operating Range 2m-500m 2m-10km

Launch Power Max 1.3 dBm -3 dBm

Launch Power Min -7 dBm

Receive Power Min -13 dBm -20 dBm

Receive Power Max 1.3 dBm -3 dBm

Extinction Ratio 6 dB 9 dB

TX Deterministic Jitter 20 ps 20 ps

Fibre Diameter 50um 9um

Class Multimode Single-mode

Nominal Bit Rate 1062.5

Mbaud 1062.5 Mbaud

OFC none none

NOTE: Class 1 Laser Products are not considered hazardous.

Product Information

Each Fibre Channel communications port consists of a transmitter and receiver optical subassembly. The transmitter

subassembly contains internally a semiconductor laser diode in the wavelength of 780 or 1300 nanometers.

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WARNING: There are no user maintenance or service operations or adjustments to be performed on any

of the GBIC modules.

Usage Restrictions

Failure to comply with these usage restrictions may result in incorrect operation of the system and points of access

may emit laser radiation above the Class 1 limits established by the IEC and U.S. DHHS.

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Introducing the PowerVault 35F: Dell PowerVault 35F User's Guide

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Introducing the PowerVault™ 35F: Dell PowerVault 35F User's Guide

Features | Specifications | PowerVault 35F Benefits | How the PowerVault 35F Works | Operating as Both a

SCSI and Fibre Channel Device | Processing SCSI Information

The Dell™ PowerVault™ 35F is a Fibre Channel-to-SCSI bridge. The PowerVault 35F provides connectivity between

a Fibre Channel environment and two Fast/Wide/Ultra SCSI buses.

Supported devices include:

Initiator Devices – Fibre Channel and SCSI hosts

Sequential Access Devices – Tape drives

Changer Devices – Tape Libraries

Figure 1. Front panel of the PowerVault 35F

Figure 2. Back panel of the PowerVault 35F

Features

Fibre Channel Features

Fibre Channel initiator and target modes

Single 1.0625 Gbps port

Fibre Channel Arbitrated Loop (FC-AL) and Switched Fabric (FC-SW) topologies

Private Loop Direct Attach (PLDA) profile compliant

Class 3 connection with SCSI-FCP protocol

GBIC Support

SCSI Bus Features

SCSI initiator and target modes

Two auto-negotiating SCSI buses (Narrow, Wide, Fast, Ultra)

Ultra Wide SCSI for data transfer up to 40 MB/s per bus

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Connection for up to 30 devices (15 per bus)

Simultaneous commands, tagged command queuing and disconnect/reconnect

Middle of bus configuration with external termination

SCSI-2 and SCSI-3 protocols

68-pin D shell, P type connectors

High-voltage Differential support

Tape and tape changer devices

SCC, Indexed and Automatic addressing modes

Configuration Features

Serial RJ-11 connector for terminal access

Ethernet RJ-45 connector for FTP, Telnet and Web browser access

Easy field-upgradable firmware

Management Features

Out-of-band Ethernet TCP/IP

SNMP with private MIB support

Specifications

Physical Specifications

Internal power supply with power switch and detachable power cord

Fibre Channel activity LED

SCSI Bus 1 activity LED

SCSI Bus 0 activity LED

Ethernet activity LED

Power LED

Fault LED

Airflow with internal fan

Desktop or optional rack mount enclosure

Physical Dimensions

Width 43.18cm (17.00 inches)

Depth 22.82cm (8.98 inches)

Height 4.31cm (1.70 inches, 1U)

Weight 3.18 kg (7 lbs)

Operating Environment

5 to 40 °C

5 to 80% Relative Humidity (non-condensing)

Non-operating Environment

-40 to +55 °C

0 to 92% Relative Humidity (non-condensing)

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Power

100 - 240 VAC, Auto Sensing

50/60 Hz, 1.0 Amps

PowerVault 35F Benefits

Point-to-Point

Single initiator to single target

Single Initiator

Single initiator to multiple targets

Multi-Initiator

Multiple initiators to single or multiple targets

Connectivity – SCSI devices may be attached to Fibre Channel storage networks to share data and increase address

space.

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Distance – SCSI cable length from hosts to devices is increased from 25m to 10,000m, facilitating remote or disaster

tolerant sites.

Performance – 100 Mbytes/sec Fibre Channel (200 Mbytes/sec bi-directional) offers increased bandwidth when

distributing data across multiple SCSI devices.

Reliability – Low error rates, robust error recovery and flow control provide an enterprise with reliable data delivery.

Scalability – Point-to-point links can be expanded to multi-initiator links supporting interconnected servers, tape

drives and tape libraries.

Flexibility – The PowerVault 35F allows Fibre Channel initiators to communicate with SCSI targets.

Consolidation – The PowerVault 35F allows multiple servers to share storage resources, including tape drives and

tape libraries.

Centralization – The PowerVault 35F enables existing storage to be moved to a central location to simplify

management and maintenance, and to improve security.

Lower TCO – Improving storage management, maintenance and security can lower Total Cost of Ownership (TCO)

for enterprise storage.

How the PowerVault 35F Works

The PowerVault 35F is a storage bridge that translates Fibre Channel Protocol (FCP) to and from two SCSI buses so

devices on these two types of media can communicate with each other. It attaches to a Fibre Channel host, and

transfers the command, data, and status information to SCSI targets. The host passes packets to SCSI targets as if the

PowerVault 35F were just another device along the path.

The PowerVault 35F provides connections for two SCSI buses into a Fibre Channel environment. It takes advantage of

Fibre Channel’s ability to encapsulate SCSI protocol packets to allow a host with a Fibre Channel adapter to access

SCSI peripheral devices transparently over a Fibre Channel connection.

Figure 3. Fibre Channel-to-SCSI configuration

Figure 3 shows a Fibre Channel-to-SCSI configuration. Through the PowerVault 35F bridge, any host on the Fibre

Channel loop can access the tape drive and library on each SCSI bus.

Introducing the PowerVault 35F: Dell PowerVault 35F User's Guide

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Operating as Both a SCSI and Fibre Channel Device

The bridge is both a SCSI and Fibre Channel device operating on a SCSI bus and Fibre Channel network

simultaneously.

The SCSI Side

On a SCSI bus, the PowerVault 35F acts as a SCSI initiator passing requests from hosts on the Fibre Channel network

to target devices on the SCSI bus. Each PowerVault 35F SCSI bus uses a single SCSI ID. The default ID is 7 and can

be changed when configuring the PowerVault 35F.

The Fibre Channel Side

In a Fibre Channel loop, the PowerVault 35F is identified by a single Arbitrated Loop Physical Address (AL_PA) or a

fabric assigned Source ID. Once the address is acquired, any host on the Fibre Channel loop can access the devices on

a SCSI bus transparently over a Fibre Channel connection.

Mapping Devices

To allow Fibre Channel and SCSI devices to address each other, the PowerVault 35F creates a table that maps device

identifiers between Fibre Channel and SCSI. During PowerVault 35F configuration, you can choose the mapping

method and, in certain cases, customize the device mappings. See Understanding the PowerVault 35F Configuration

for more information about address modes and their configurations.

Processing SCSI Information

The following describes how the bridge processes SCSI information:

1. A Fibre Channel host issues a command. The Fibre Channel host encapsulates the command in the Fibre

ChannelP protocol and sends the packet to the PowerVault 35F.

2. The Fibre Channel port in the PowerVault 35F receives the packet, interprets the Fibre Channel information, and

places the packet in buffer memory.

3. The PowerVault 35F’s processor interprets the information and programs a SCSI controller to process the

transaction.

4. The SCSI controller sends the command to the SCSI device (target).

Figure 4. Information processing

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