HP Brocade 8/12c Brocade Fabric OS Troubleshooting and Diagnostics Guide v6.2. - Page 4

Connections Issues, Configuration Issues, Fibre Channel Router connectivity ..15

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Chapter 3 Chapter 4 Time issues 11 Switch message logs 12 Checking fan components 13 Checking the switch temperature 13 Checking the power supply 14 Checking the temperature, fan, and power supply 14 Switch boot issues 14 Fibre Channel Router connectivity 15 Generate and route an ECHO 15 Route and statistical information 17 Performance issues 19 Third party applications 20 Connections Issues In this chapter 21 Port initialization and FCP auto discovery process 21 Link issues 23 Connection problems 23 Checking the logical connection 23 Checking the name server (NS 24 Link failures 25 Determining a successful negotiation 26 Checking for a loop initialization failure 26 Checking for a point-to-point initialization failure 27 Correcting a port that has come up in the wrong mode 27 Marginal links 28 Troubleshooting a marginal link 28 Device login issues 29 Pinpointing problems with device logins 31 Media-related issues 34 Testing a port's external transmit and receive path 34 Testing a switch's internal components 34 Testing components to and from the HBA 35 Segmented fabrics 35 Reconciling fabric parameters individually 36 Downloading a correct configuration 36 Reconciling a domain ID conflict 37 Configuration Issues In this chapter 39 Configupload and download issues 39 Gathering additional information 41 Brocade configuration form 42 iv Fabric OS Troubleshooting and Diagnostics Guide 53-1001187-01

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iv
Fabric OS Troubleshooting and Diagnostics Guide
53-1001187-01
Time issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Switch message logs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Checking fan components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Checking the switch temperature. . . . . . . . . . . . . . . . . . . . . . . . 13
Checking the power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Checking the temperature, fan, and power supply . . . . . . . . . .14
Switch boot issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Fibre Channel Router connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Generate and route an ECHO . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Route and statistical information . . . . . . . . . . . . . . . . . . . . . . . .17
Performance issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Third party applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Chapter 3
Connections Issues
In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Port initialization and FCP auto discovery process. . . . . . . . . . . . . . 21
Link issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Connection problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Checking the logical connection . . . . . . . . . . . . . . . . . . . . . . . . .23
Checking the name server (NS) . . . . . . . . . . . . . . . . . . . . . . . . . 24
Link failures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Determining a successful negotiation . . . . . . . . . . . . . . . . . . . . 26
Checking for a loop initialization failure . . . . . . . . . . . . . . . . . . .26
Checking for a point-to-point initialization failure . . . . . . . . . . . 27
Correcting a port that has come up in the wrong mode . . . . . . 27
Marginal links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Troubleshooting a marginal link . . . . . . . . . . . . . . . . . . . . . . . . .28
Device login issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Pinpointing problems with device logins . . . . . . . . . . . . . . . . . . 31
Media-related issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Testing a port’s external transmit and receive path . . . . . . . . . 34
Testing a switch’s internal components . . . . . . . . . . . . . . . . . . .34
Testing components to and from the HBA . . . . . . . . . . . . . . . . .35
Segmented fabrics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Reconciling fabric parameters individually . . . . . . . . . . . . . . . .36
Downloading a correct configuration . . . . . . . . . . . . . . . . . . . . . 36
Reconciling a domain ID conflict . . . . . . . . . . . . . . . . . . . . . . . .37
Chapter 4
Configuration Issues
In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Configupload and download issues . . . . . . . . . . . . . . . . . . . . . . . . . .39
Gathering additional information . . . . . . . . . . . . . . . . . . . . . . . . 41
Brocade configuration form . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42