Brocade Fabric OS Troubleshooting and Diagnostics Guide (Supporting Fabric OS v7.3.0) User Manual
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Fabric OS Troubleshooting and Diagnostics Guide
53-1003141-01
Rolling Reboot Detection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
FC-FC routing connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Generating and routing an ECHO . . . . . . . . . . . . . . . . . . . . . . . . 16
Superping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Routing and statistical information . . . . . . . . . . . . . . . . . . . . . . 21
Performance issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Port initialization and FCP auto-discovery process . . . . . . . . . . . . . .23
Connection problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Checking the physical connection . . . . . . . . . . . . . . . . . . . . . . .25
Checking the logical connection . . . . . . . . . . . . . . . . . . . . . . . . .26
Checking the Name Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
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 the external transmit and receive path of a port . . . . .36
Testing the internal components of a switch . . . . . . . . . . . . . . .36
Testing components to and from the HBA . . . . . . . . . . . . . . . . .36
Segmented fabrics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Reconciling fabric parameters individually . . . . . . . . . . . . . . . . 37
Downloading a correct configuration . . . . . . . . . . . . . . . . . . . . .38
Reconciling a domain ID conflict . . . . . . . . . . . . . . . . . . . . . . . .38
Reconciling incompatible software features . . . . . . . . . . . . . . .39
In-Order Delivery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Port mirroring considerations . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Supported platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Maximum mirror connections . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Configuring a port to be a mirror port. . . . . . . . . . . . . . . . . . . . .43
Adding a port mirror connection . . . . . . . . . . . . . . . . . . . . . . . . .43
Deleting a port mirror connection. . . . . . . . . . . . . . . . . . . . . . . .43
Displaying port mirror connections. . . . . . . . . . . . . . . . . . . . . . .44
Configuration upload and download issues . . . . . . . . . . . . . . . . . . .45
Gathering additional information . . . . . . . . . . . . . . . . . . . . . . . .48