HP StorageWorks 1606 Brocade Fabric OS Troubleshooting and Diagnostics Guide v - Page 4

Connectivity Issues, Configuration Issues, FirmwareDownload Errors

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Chapter 3 Chapter 4 Chapter 5 Time issues 11 Switch message logs 12 Switch boot issues 13 FC-FC Routing connectivity 13 Generate and route an ECHO 13 Route and statistical information 15 Performance issues 17 17 Connectivity Issues In this chapter 19 Port initialization and FCP auto discovery process 19 Link issues 21 Connection problems 21 Checking the physical connection 21 Checking the logical connection 22 Checking the Name Server (NS 22 Link failures 24 Determining a successful speed negotiation 24 Checking for a loop initialization failure 25 Checking for a point-to-point initialization failure 25 Correcting a port that has come up in the wrong mode 26 Marginal links 26 Troubleshooting a marginal link 27 Device login issues 29 Pinpointing problems with device logins 29 Media-related issues 31 Testing a port's external transmit and receive path 32 Testing a switch's internal components 32 Testing components to and from the HBA 32 Segmented fabrics 33 Reconciling fabric parameters individually 33 Downloading a correct configuration 34 Reconciling a domain ID conflict 34 Configuration Issues In this chapter 37 Configupload and download issues 37 Gathering additional information 39 Brocade configuration form 40 FirmwareDownload Errors In this chapter 41 iv Fabric OS Troubleshoot and Diagnostics Guide 53-1001340-01

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iv
Fabric OS Troubleshoot and Diagnostics Guide
53-1001340-01
Time issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Switch message logs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Switch boot issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
FC-FC Routing connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Generate and route an ECHO . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Route and statistical information . . . . . . . . . . . . . . . . . . . . . . . .15
Performance issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Chapter 3
Connectivity Issues
In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Port initialization and FCP auto discovery process . . . . . . . . . . . . . .19
Link issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Connection problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Checking the physical connection . . . . . . . . . . . . . . . . . . . . . . . 21
Checking the logical connection . . . . . . . . . . . . . . . . . . . . . . . . .22
Checking the Name Server (NS) . . . . . . . . . . . . . . . . . . . . . . . . . 22
Link failures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Determining a successful speed negotiation. . . . . . . . . . . . . . . 24
Checking for a loop initialization failure . . . . . . . . . . . . . . . . . . .25
Checking for a point-to-point initialization failure . . . . . . . . . . .25
Correcting a port that has come up in the wrong mode . . . . . . 26
Marginal links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Troubleshooting a marginal link . . . . . . . . . . . . . . . . . . . . . . . . . 27
Device login issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Pinpointing problems with device logins . . . . . . . . . . . . . . . . . .29
Media-related issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Testing a port’s external transmit and receive path . . . . . . . . . 32
Testing a switch’s internal components . . . . . . . . . . . . . . . . . . .32
Testing components to and from the HBA . . . . . . . . . . . . . . . . .32
Segmented fabrics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Reconciling fabric parameters individually . . . . . . . . . . . . . . . .33
Downloading a correct configuration . . . . . . . . . . . . . . . . . . . . . 34
Reconciling a domain ID conflict . . . . . . . . . . . . . . . . . . . . . . . .34
Chapter 4
Configuration Issues
In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Configupload and download issues. . . . . . . . . . . . . . . . . . . . . . . . . . 37
Gathering additional information . . . . . . . . . . . . . . . . . . . . . . . . 39
Brocade configuration form . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Chapter 5
FirmwareDownload Errors
In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41