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HP SN3000B Troubleshooting Guide

HP SN3000B
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vi Fabric OS Troubleshooting and Diagnostics Guide
53-1002150-02
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Frame Viewer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Switch message logs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Switch boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Rolling Reboot Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
FC-FC routing connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Generating and routing an ECHO . . . . . . . . . . . . . . . . . . . . . . . . 16
Superping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Route and statistical information . . . . . . . . . . . . . . . . . . . . . . . .20
Performance issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Chapter 3 Connectivity
In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
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

Table of Contents

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HP SN3000B Specifications

General IconGeneral
BrandHP
ModelSN3000B
CategorySwitch
LanguageEnglish

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