Brocade Communications Systems StoreFabric SN6500B Bedienungsanleitung

53-1002751-01

14 December 2012

Fabric OS

Troubleshooting and Diagnostics Guide

Supporting Fabric OS v7.1.0

Brocade, the B-wing symbol, BigIron, DCX, Fabric OS, FastIron, IronPoint, IronShield, IronView, IronWare, JetCore, NetIron,

SecureIron, ServerIron, StorageX, and TurboIron are registered trademarks, and Brocade Network Advisor (formerly Data Center

Fabric Manager or DCFM), Extraordinary Networks, and SAN Health are trademarks of Brocade Communications Systems, Inc., in

the United States and/or in other countries. All other brands, products, or service names are or may be trademarks or service

marks of, and are used to identify, products or services of their respective owners.

Notice: This document is for informational purposes only and does not set forth any warranty, expressed or implied, concerning

any equipment, equipment feature, or service offered or to be offered by Brocade. Brocade reserves the right to make changes to

this document at any time, without notice, and assumes no responsibility for its use. This informational document describes

features that may not be currently available. Contact a Brocade sales office for information on feature and product availability.

Export of technical data contained in this document may require an export license from the United States government.

The authors and Brocade Communications Systems, Inc. shall have no liability or responsibility to any person or entity with

respect to any loss, cost, liability, or damages arising from the information contained in this book or the computer programs that

accompany it.

The product described by this document may contain “open source” software covered by the GNU General Public License or other

open source license agreements. To find out which open source software is included in Brocade products, view the licensing

terms applicable to the open source software, and obtain a copy of the programming source code, please visit

http://www.brocade.com/support/oscd.

Brocade Communications Systems, Incorporated

Corporate and Latin American Headquarters

Brocade Communications Systems, Inc.

130 Holger Way

San Jose, CA 95134

Tel: 1-408-333-8000

Fax: 1-408-333-8101

E-mail: info@brocade.com

Asia-Pacific Headquarters

Brocade Communications Systems China HK, Ltd.

No. 1 Guanghua Road

Chao Yang District

Units 2718 and 2818

Beijing 100020, China

Tel: +8610 6588 8888

Fax: +8610 6588 9999

E-mail: china-info@brocade.com

European Headquarters

Brocade Communications Switzerland Sàrl

Centre Swissair

Tour B - 4ème étage

29, Route de l'Aéroport

Case Postale 105

CH-1215 Genève 15

Switzerland

Tel: +41 22 799 5640

Fax: +41 22 799 5641

E-mail: emea-info@brocade.com

Asia-Pacific Headquarters

Brocade Communications Systems Co., Ltd. (Shenzhen WFOE)

Citic Plaza

No. 233 Tian He Road North

Unit 1308 – 13th Floor

Guangzhou, China

Tel: +8620 3891 2000

Fax: +8620 3891 2111

E-mail: china-info@brocade.com

Fabric OS Troubleshooting and Diagnostics Guide iii

53-1002751-01

Document History

Title Publication number Summary of changes Date

Fabric OS Troubleshooting and

Diagnostics Guide

53-0000853-01 First released edition. March 2008

Fabric OS Troubleshooting and

Diagnostics Guide

53-1001187-01 Added support for Virtual Fabrics, fcPing,

pathInfo, and additional troubleshooting

tips.

November 2008

Fabric OS Troubleshooting and

Diagnostics Guide

53-1001340-01 Added support for checking physical

connections, updated commands,

removed obsolete information, and moved

the FCIP and FICON chapters into their

respective books.

July 2009

Fabric OS Troubleshooting and

Diagnostics Guide

53-1001769-01 Added support for the Rolling Reboot

Detection feature and the Superping tool;

added enhancements for supportSave and

spinFab; updated commands; transferred

the iSCSI chapter into its respective book.

March 2010

Fabric OS Troubleshooting and

Diagnostics Guide

53-1002150-01 Added Frame Viewer and Diagnostics port

features.

April 2011

Fabric OS Troubleshooting and

Diagnostics Guide

53-1002150-02 Updated the Diagnostics port feature. June 2011

Fabric OS Troubleshooting and

Diagnostics Guide

53-1002751-01 Updated for Fabric OS v7.1.0. December 2012

iv Fabric OS Troubleshooting and Diagnostics Guide

53-1002751-01

Fabric OS Troubleshooting and Diagnostics Guide v

53-1002751-01

Contents

About This Document

How this document is organized . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi

Supported hardware and software . . . . . . . . . . . . . . . . . . . . . . . . . . xii

What’s new in this document. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xii

Document conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii

Text formatting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii

Command syntax conventions . . . . . . . . . . . . . . . . . . . . . . . . . . xiii

Command examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii

Notes, cautions, and warnings . . . . . . . . . . . . . . . . . . . . . . . . . . xiv

Key terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv

Additional information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv

Brocade resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv

Other industry resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv

Getting technical help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv

Document feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi

Chapter 1 Introduction

Troubleshooting overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Network time protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Most common problem areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Questions for common symptoms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Gathering information for your switch support provider. . . . . . . . . . . 5

Setting up your switch for FTP. . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Capturing a supportSave. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Capturing output from a console . . . . . . . . . . . . . . . . . . . . . . . . . 6

Capturing command output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Building a case for your switch support provider . . . . . . . . . . . . . . . . 7

Basic information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Detailed problem information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Gathering additional information . . . . . . . . . . . . . . . . . . . . . . . . . 9

Chapter 2 General

Licenses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Frame Viewer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Switch message logs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

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53-1002751-01

Switch boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Rolling Reboot Detection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

FC-FC routing connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Generating and routing an ECHO . . . . . . . . . . . . . . . . . . . . . . . . 16

Superping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Route and statistical information . . . . . . . . . . . . . . . . . . . . . . . .20

Performance issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Chapter 3 Connectivity

Port initialization and FCP auto-discovery process . . . . . . . . . . . . . .23

Link issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Connection problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Checking the physical connection . . . . . . . . . . . . . . . . . . . . . . . 25

Checking the logical connection . . . . . . . . . . . . . . . . . . . . . . . . . 26

Checking the Name Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Link failures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

Determining a successful speed negotiation. . . . . . . . . . . . . . .28

Checking for a loop initialization failure . . . . . . . . . . . . . . . . . . . 29

Checking for a point-to-point initialization failure . . . . . . . . . . .29

Correcting a port that has come up in the wrong mode . . . . . .30

Marginal links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

Troubleshooting a marginal link . . . . . . . . . . . . . . . . . . . . . . . . . 31

Device login issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Pinpointing problems with device logins . . . . . . . . . . . . . . . . . .33

Media-related issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Testing a port’s external transmit and receive path . . . . . . . . .36

Testing a switch’s internal components . . . . . . . . . . . . . . . . . . . 36

Testing components to and from the HBA . . . . . . . . . . . . . . . . . 36

Segmented fabrics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Reconciling fabric parameters individually . . . . . . . . . . . . . . . . 37

Downloading a correct configuration . . . . . . . . . . . . . . . . . . . . . 38

Reconciling a domain ID conflict . . . . . . . . . . . . . . . . . . . . . . . . 38

Reconciling incompatible software features . . . . . . . . . . . . . . .39

Port mirroring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

In-Order Delivery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Port mirroring considerations . . . . . . . . . . . . . . . . . . . . . . . . . . .40

Supported platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Maximum mirror connections . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Configuring a port to be a mirror port. . . . . . . . . . . . . . . . . . . . . 42

Adding a port mirror connection . . . . . . . . . . . . . . . . . . . . . . . . . 42

Deleting a port mirror connection. . . . . . . . . . . . . . . . . . . . . . . . 43

Displaying port mirror connections. . . . . . . . . . . . . . . . . . . . . . .43

Chapter 4 Configuration

Configuration upload and download issues . . . . . . . . . . . . . . . . . . .45

Gathering additional information . . . . . . . . . . . . . . . . . . . . . . . .48

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Brocade configuration form . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Chapter 5 Firmware Download Errors

Blade troubleshooting tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Firmware download issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Troubleshooting with the firmwareDownload command . . . . . . . . .54

Gathering additional information . . . . . . . . . . . . . . . . . . . . . . . .55

USB error handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Considerations for downgrading firmware . . . . . . . . . . . . . . . . . . . . 56

Preinstallation messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Blade types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

Firmware versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59

Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59

Chapter 6 Security

Passwords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Password recovery options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Device authentication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Protocol and certificate management . . . . . . . . . . . . . . . . . . . . . . . . 63

Gathering additional information . . . . . . . . . . . . . . . . . . . . . . . .63

SNMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

Gathering additional information . . . . . . . . . . . . . . . . . . . . . . . .64

FIPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Chapter 7 Virtual Fabrics

General Virtual Fabrics troubleshooting . . . . . . . . . . . . . . . . . . . . . . 65

Fabric identification issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

Logical Fabric issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

Base switch issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Logical switch issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68

Switch configuration blade compatibility. . . . . . . . . . . . . . . . . . . . . .69

Gathering additional information. . . . . . . . . . . . . . . . . . . . . . . . . . . .70

Chapter 8 ISL Trunking

Link issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Buffer credit issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Getting out of buffer-limited mode . . . . . . . . . . . . . . . . . . . . . . . 72

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Chapter 9 Zoning

Overview of corrective action . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Verifying a fabric merge problem . . . . . . . . . . . . . . . . . . . . . . . .73

Verifying a TI zone problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Segmented fabrics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Zone conflicts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Correcting a fabric merge problem quickly . . . . . . . . . . . . . . . . 76

Changing the default zone access . . . . . . . . . . . . . . . . . . . . . . . 77

Editing zone configuration members . . . . . . . . . . . . . . . . . . . . . 77

Reordering the zone member list . . . . . . . . . . . . . . . . . . . . . . . . 77

Checking for Fibre Channel connectivity problems . . . . . . . . . . 78

Checking for zoning problems. . . . . . . . . . . . . . . . . . . . . . . . . . .79

Gathering additional information. . . . . . . . . . . . . . . . . . . . . . . . . . . .80

Chapter 10 Diagnostic Features

About Fabric OS diagnostics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

Diagnostic information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

Power-on self test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82

Disabling POST. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

Enabling POST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

Switch status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

Viewing the overall status of the switch . . . . . . . . . . . . . . . . . . . 84

Displaying switch information . . . . . . . . . . . . . . . . . . . . . . . . . . .85

Displaying the uptime for a switch . . . . . . . . . . . . . . . . . . . . . . .86

Using the SpinFab and portTest commands . . . . . . . . . . . . . . . . . . . 87

Debugging spinFab errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Clearing the error counters . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89

Enabling a port. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Disabling a port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Diagnostic Port (D_Port) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Understanding D_Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Supported topologies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Using D_Port without HBAs . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95

Using D_Port with HBAs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Controlling testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100

Example test scenarios and output . . . . . . . . . . . . . . . . . . . . .100

Port information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105

Viewing the status of a port . . . . . . . . . . . . . . . . . . . . . . . . . . .105

Displaying the port statistics. . . . . . . . . . . . . . . . . . . . . . . . . . .106

Displaying a summary of port errors for a switch . . . . . . . . . .107

Equipment status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108

Checking the temperature, fan, and power supply . . . . . . . . .108

Checking the status of the fans . . . . . . . . . . . . . . . . . . . . . . . .108

Checking the status of a power supply. . . . . . . . . . . . . . . . . . .109

Checking temperature status . . . . . . . . . . . . . . . . . . . . . . . . . .109

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System message log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110

Displaying the system message log, with no page breaks . . .110

Displaying the system message log

one message at a time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111

Clearing the system message log . . . . . . . . . . . . . . . . . . . . . . .111

Port log. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111

Viewing the port log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111

Syslogd configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113

Configuring the host . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113

Configuring the switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114

Automatic trace dump transfers . . . . . . . . . . . . . . . . . . . . . . . . . . .115

Specifying a remote server . . . . . . . . . . . . . . . . . . . . . . . . . . . .115

Enabling the automatic transfer of trace dumps. . . . . . . . . . .115

Setting up periodic checking of the remote server . . . . . . . . .115

Saving comprehensive diagnostic files to the server . . . . . . .116

Appendix A Switch Type and Blade ID

Appendix B Hexadecimal Conversion

Example conversion of the hexadecimal triplet Ox616000 . .121

Decimal-to-hexadecimal conversion table . . . . . . . . . . . . . . . .122

Index

xFabric OS Troubleshooting and Diagnostics Guide

53-1002751-01

Andere Handbücher für StoreFabric SN6500B

Dieses Handbuch passt für folgende Modelle

Inhaltsverzeichnis

Andere Brocade Communications Systems Software Handbücher