HP StorageWorks 2/32 - SAN Switch Manuale di istruzioni

hp StorageWorks

common software and switch options

version 3.0.x/4.0.x

release notes

Part Number: AV-RTQUA-TE

First Edition (October 2002)

Product Version: V3.0.x/V4.0.x

This document contains last-minute and supplemental information

about your common software and switch options. In the event of

conflicting information between these Release Notes and other

documents contained in this product release, the Release Notes

contents take precedence.

For the latest version of these Release Notes and other product

documentation, visit the StorageWorks website at:

http://www.compaq.com/storage/index.html.

2Common Software and Switch Options Version 3.0.x/4.0.x Release Notes

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HP, Compaq, and StorageWorks are trademarks of Hewlett-Packard Company in the U.S. and/or other

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Printed in the U.S.A.

Common Software and Switch Options Version 3.0.x/4.0.x Release Notes

First Edition (October 2002)

Part Number: AV-RTQUA-TE

Release Notes Contents

Common Software and Switch Options Version 3.0.x/4.0.x Release Notes 3

Release Notes Contents

These Release Notes cover the following major topics:

• Common Software Descriptions

— “Diagnostics and Error Messages Overview,” page 5

— “Fabric OS Procedures Overview,” page 5

— “Fabric OS Reference Overview,” page 5

— “Web Tools Overview,” page 6

— “Zoning Overview,” page 6

• Switch Options Descriptions and Requirements

— “Advanced Performance Monitoring Overview,” page 7

— “Extended Fabric Overview and Configuration Support,” page 7

— “Fabric Watch Overview and Information,” page 10

— “ISL Trunking Overview and Requirements,” page 10

— “QuickLoop Fabric Assist Overview and Support,” page 12

— “Remote Switch Overview and Limitations,” page 13

NOTE: All of the switch options listed above are either a preconfigured feature or a saleable option,

depending on the product configuration purchased.

Intended Audience

This document is intended for customers who purchased HP StorageWorks SAN or HP

StorageWorks Core switches.

Related Documentation

The common software and switch options documentation includes the following documents:

•HP StorageWorks Advanced Performance Monitoring Version 3.0.x/4.0.x User Guide, part

number AA-RTS4A-TE

•HP StorageWorks Common Software and Switch Options V3.0.x/V4.0.x Release Notes

(this document), part number AV-RTQUA-TE

•HP StorageWorks Diagnostic and System Error Message Version 3.0.x/4.0.x Reference

Guide, part number AA-RS22A-TE

Release Notes Contents

4Common Software and Switch Options Version 3.0.x/4.0.x Release Notes

•HP StorageWorks Extended Fabric Version 3.0.x/4.0.x User Guide,

part number AA-RTSDA-TE

•HP StorageWorks Fabric OS Version 3.0.x/4.0.x Reference Guide,

part number AA-RS24A-TE

•HP StorageWorks Fabric Operating System Procedures Version 3.0.x/4.0.x User Guide,

part number AA-RS23A-TE

•HP StorageWorks Fabric Watch Version 3.0.x/4.0.x User Guide,

part number AA-RTSGA-TE

•HP StorageWorks ISL Trunking Version 3.0.x/4.0.x User Guide,

part number AA-RTSAA-TE

•HP StorageWorks Quickloop Fabric Assist Version 3.0.x User Guide,

part number AA-RTS1A-TE

•HP StorageWorks Remote Switch Version 3.0.x/4.0.x User Guide,

part number AA-RTS7A-TE

•HP StorageWorks SAN Switch 2/32 Version 4.0.x Release Notes,

part number AV-RTT4A-TE

•HP StorageWorks Web Tools Version 3.0.x/4.0.x User Guide,

part number AA-RS25A-TE

•HP StorageWorks Zoning Version 3.0.x/4.0.x User Guide,

part number AA-RS26A-TE

Additional documentation is available via the HP website at: http://www.compaq.com/

storage/saninfrastructure.html

Common Software Descriptions

Common Software and Switch Options Version 3.0.x/4.0.x Release Notes 5

Common Software Descriptions

The descriptions included in this section apply to the software and information that ships with

all HP StorageWorks switches that run Fabric OS. Common software products include:

• Diagnostics and Error Messages Overview

• Fabric OS Procedures Overview

• Fabric OS Reference Overview

• Web Tools Overview

• Zoning Overview

Refer to the HP StorageWorks SAN Switch 2/32 Version 4.0.x Release Notes for late-breaking

information relating to these products.

Diagnostics and Error Messages Overview

The HP StorageWorks Diagnostic and System Error Message Version 3.0.x/4.0.x Reference

Guide supports Fabric OS V3.0.x and Fabric OS V4.0.x, including software error messages

and hardware error messages.

Fabric OS Procedures Overview

The HP StorageWorks Fabric Operating System Procedures Version 3.0.x/4.0.x User Guide

provides operating procedures for HP StorageWorks SAN and HP StorageWorks Core

switches, including:

• Setting the initial configuration

• Basic configuration procedures

• Operating the SAN Core Switch 2/64

• Working with the Management Server

• Diagnostics and Status

Fabric OS Reference Overview

The HP StorageWorks Fabric OS Version 3.0.x/4.0.x Reference Guide provides a detailed

description of the commands in Fabric OS V3.0.x and V4.0.x. This guide also describes the

Fabric OS commands for licensed products and provides a Fabric OS version comparison.

Common Software Descriptions

6Common Software and Switch Options Version 3.0.x/4.0.x Release Notes

Web Tools Overview

Web Tools provides a graphical interface that allows the administrator to monitor and manage

entire fabrics and individual switches and ports from a standard workstation. It is a standard

product that runs on all StorageWorks switches running the V3.0.x or 4.0.x firmware streams.

Web Tools is documented in the HP StorageWorks Web Tools Version 3.0.x/4.0.x User Guide.

Zoning Overview

Advanced Zoning allows partitioning of Storage Area Network (SAN) into logical groupings

of devices that access each other. You can also arrange fabric-connected devices into logical

groups, or zones, over the physical configuration of the fabric.

Zones can be configured dynamically and can vary in size depending on the number of fabric

connected devices. Devices can also belong to more than one zone. Because zone members

can access only other members of the same zone, a device not included in a zone is not

available to members of that zone.

Zoning is documented in the HP StorageWorks Zoning Version 3.0.x/4.0.x User Guide.

Switch Options Descriptions and Requirements

Common Software and Switch Options Version 3.0.x/4.0.x Release Notes 7

Switch Options Descriptions and Requirements

The descriptions and requirements in this section apply to the licensed options in Fabric OS,

including:

• Advanced Performance Monitoring Overview

• Extended Fabric Overview and Configuration Support

• Fabric Watch Overview and Information

• ISL Trunking Overview and Requirements

• QuickLoop Fabric Assist Overview and Support

• Remote Switch Overview and Limitations

NOTE: All of the switch options listed in this section are either a preconfigured feature or a saleable

option, depending on the product configuration purchased.

Advanced Performance Monitoring Overview

Advanced Performance Monitoring is a comprehensive tool for monitoring the performance of

networked storage resources. This tool helps reduce total cost of ownership and

over-provisioning while enabling SAN performance tuning, reporting of service level

agreements, and greater administrator productivity. Advanced Performance Monitoring is an

optionally licensed product and is documented in the HP StorageWorks Advanced

Performance Monitoring Version 3.0.x/4.0.x User Guide.

Extended Fabric Overview and Configuration Support

Extended Fabric uses Fibre Channel technology to create a fabric interconnected at distances

greater than 10 kilometers for 1 Gigabit or 5 kilometers for 2 Gigabit Inter Switch Links.

Extended Fabric is an optionally licensed product that runs on:

• StorageWorks 1 Gigabit SAN switch series with version 2.0.x installed,

• StorageWorks 2 Gigabit SAN switch series with version 3.0.x installed, or

• HP StorageWorks ore Switch 2/64 (Core Switch 2/64) switches with version 4.0.x

installed.

Extended Fabric requires the use of Long Wave GBIC or SFP transceivers to go beyond 500

meters for 1 Gigabit and 300 meters for 2 Gigabit links respectively.

Switch Options Descriptions and Requirements

8Common Software and Switch Options Version 3.0.x/4.0.x Release Notes

The maximum number of 'HOPS' or inter-switch links allowed in a Fabric is seven and only

one of these links can be a very long Extended Link (> 10 kilometers). The maximum distance

for a very long Extended Link 1 Gigabit Link is 100 kilometers. Given these limits the

maximum of 160 kilometers is possible with one 100-kilometer link and six 10-kilometer

links.

Extended Fabric Compatibility Support

HP has three series of switches as listed above; these switches can be divided into two classes

based on the internal ASIC technology used in the switch. The two classes are switches limited

to 1 Gigabit and those that are 2 Gigabit capable.

An extend fabric link can only exist between two switches of the same technology, meaning a

StorageWorks 1 Gigabit SAN series switch can only have an extended fabric link to another

StorageWorks 1 Gigabit SAN series switch. The StorageWorks 2 Gigabit SAN series switch

can only have an extended fabric link to another StorageWorks 2 Gigabit SAN series or a HP

StorageWorks Core Switch 2/64 switch. A StorageWorks 2 Gigabit SAN series or a HP

StorageWorks Core Switch 2/64 switch cannot a have an extended fabric link to a

StorageWorks 1 Gigabit SAN series switch.

PortcfgLongDistance Setting

Extended Fabric optimizes the internal buffering algorithm for StorageWorks switches, which

results in line speed performance of close to full Fibre Channel speed. The

"PortcfgLongDistance" setting is used to configure the port with the appropriate amount of

buffers based on the speed and distance of the extended link. The possible settings are:

• L0: 1 Gigabits links up to 10 kilometers or 2 Gigabit links up to 5 kilometers

No Extended Fabric license required (Also referred to as an "E-Port")

• LE: 2 Gigabit links between 5 and 10 kilometers

No Extended Fabric license required

• L1: Extended Links greater than 10 kilometer but not more than 50 kilometers Extended

Fabric license required

• L2: Extended Links greater than 50 kilometer but not more than 100 kilometers Extended

Fabric license required

These port settings modify the number of Buffer-To-Buffer credits a particular port is allocated

and there are limited numbers of these credits available. Buffer-To-Buffer credits are allocated

to a group of 4 ports or what is referred to as a "Quad". A quad consists of ports 0 through 3, 4

through 7, 8 through 11, 12 through 15 and so on. The following table lists the configuration

limits for a "Quad".

Switch Options Descriptions and Requirements

Common Software and Switch Options Version 3.0.x/4.0.x Release Notes 9

Fabric Long Distance Bit Setting

The Fabric Long Distance Bit needs to be set on all switches in the fabric when any pair of

StorageWorks 1 Gigabit SAN series switches have an extended link greater than 10 kilometers

(PortcfgLongDistance = L1 or L2).

Whenever a pair or pairs of StorageWorks 2 Gigabit SAN series or HP StorageWorks Core

Switch 2/64 switches have a port configured for LE, L1, or L2 then the Fabric Long Distance

Bit must be off.

In other words you cannot have an extended link of greater than 10 kilometers between a pair

of StorageWorks 1 Gigabit SAN series switches and an extended link greater than 5 kilometer

between a pair of StorageWorks 2 Gigabit SAN series or HP StorageWorks Core Switch 2/64

switches in the same fabric.

You can have extended links of up to 10 kilometers (PortcfgLongDistance = L0) between a

pair of StorageWorks 1 Gigabit SAN series switches and any length extended link between a

pairs of StorageWorks 2 Gigabit SAN series or HP StorageWorks Core Switch 2/64 switches

in the same fabric. Likewise you can have an extended link over 10 kilometers between

StorageWorks 1 Gigabit SAN series switches as long as there are no Inter Switch Links greater

than 5 kilometers between a pairs of StorageWorks 2 Gigabit SAN series or HP StorageWorks

Core Switch 2/64 switches in the same fabric.

Speed Port a Port b Port c Port d

1 Gigabit/second L2 L1/L0 Fx/LE X

1 Gigabit/second L2 Fx/LE Fx/LE Fx/LE

1 Gigabit/second L1/L0 L1/L0 L1/L0 L1/L0

1 Gigabit/second Fx/LE Fx/LE Fx/LE Fx/LE

2 Gigabit/second L2 X X X

2 Gigabit/second L1 Fx/L0/LE/L1 X X

2 Gigabit/second L1 L0/LE L0/LE/Fx X

2 Gigabit/second L1 Fx Fx Fx

2 Gigabit/second L0/LE/Fx L0/LE/Fx L0/LE/Fx L0/LE/Fx

Legend: Fx = Fabric port L0, LE, L1, L2 = Inter Switch Links

Switch Options Descriptions and Requirements

10 Common Software and Switch Options Version 3.0.x/4.0.x Release Notes

Fabric Watch Overview and Information

Fabric Watch software monitors the performance and status of StorageWorks SAN switches,

and can alert storage area network (SAN) managers when problems arise. The real-time alerts

from Fabric Watch software help SAN managers solve problems before they become costly

failures. SAN managers can configure Fabric Watch software to monitor any of the following:

• Fabric events (such as topology reconfigurations and zone changes)

• Physical switch conditions (such as fans, power supplies, and temperature)

• Port behavior (such as state changes, errors, and performance)

• SFPs (for switches equipped with SMART SFPs)

Fabric Watch is documented in the HP StorageWorks Fabric Watch Version 3.0.x/4.0.x User

Guide. Fabric Watch default settings can be found at the following HP website:

http://www.compaq.com/storage/saninfrastructure.html

Fabric Watch Profiles

The following Fabric Watch file is supported:

Refer to the HP StorageWorks Fabric Watch Version 3.0.x/4.0.x User Guide for more

information.

Fabric Watch Daemon

During switch startup or reboot, the Fabric Watch daemon is one of the last processes to

become active. Depending on the size of the fabric, Fabric Watch may take several minutes to

complete its start up sequence. Before Fabric Watch is completely active, it cannot monitor

events occurring in the fabric. During this time, the switchstatuspolicyshow

command shows the default settings instead of any custom settings.

ISL Trunking Overview and Requirements

Interswitch Link (ISL) Trunking is an optionally licensed product available on the

StorageWorks 2 Gb SAN switches running Fabric OS V3.0.x, and the StorageWorks SAN

switches and StorageWorks Core switches running Fabric OS V4.0.x. ISL Trunking is

managed using telnet commands or the Advanced Web Tools interface. ISL Trunking

simplifies network design and reduces the cost of storage management by optimizing

bandwidth use and enabling load sharing of traffic at the frame-level.

FW232.TXT 11/13/2002

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