Testing Components To And From The Hba; Segmented Fabrics - Brocade Communications Systems A7533A - Brocade 4Gb SAN Switch Base Troubleshooting Manual

Testing components to and from the HBA

1. Connect to the switch and log in as admin.
2. Enter the portTest command (see the Fabric OS Command Reference for information on the
See
components that are not functioning properly. See the Fabric OS Command Reference for
additional command information.
TABLE 7
Test
portLoopbackTest
turboRamTest
Related Switch Test Option:
itemList

Segmented fabrics

Fabric segmentation is generally caused by one of the following conditions:
•
•
•
•
•
•
•
•
There are a number of settings that control the overall behavior and operation of the fabric. Some
of these values, such as the domain ID, are assigned automatically by the fabric and can differ
from one switch to another in the fabric. Other parameters, such as the BB credit, can be changed
for specific applications or operating environments, but must be the same among all switches to
allow the formation of a fabric.
The following fabric parameters must be identical on each switch for a fabric to merge:
Fabric OS Troubleshooting and Diagnostics Guide
53-1001187-01
[-nframes count]—Specify the number of frames to send.
[-lb_mode mode]—Select the loopback point for the test.
[-spd_mode mode]—Select the speed mode for the test.
[-ports itemlist]—Specify a list of user ports to test.
command options).
Table 7 on page 35 for a list of additional tests that can be used to determine the switch
Switch component tests
Function
Performs a functional test of port N to N path. Verifies the functional components of the
switch.
Verifies that the on chip SRAM located in the 2 Gbps ASIC is using the Turbo-Ram BIST
circuitry. This allows the BIST controller to perform the SRAM write and read operations at a
much faster rate.
Restricts the items to be tested to a smaller set of parameter values that you pass to the
switch.
Incompatible fabric parameters (see
Incorrect PID setting (see Fabric OS Administrator's Guide).
Incompatible zoning configuration (see
Domain ID conflict (see "Reconciling fabric parameters individually"
Fabric ID conflict (see Chapter 7, "Virtual
Incompatible security policies.
Incorrect fabric mode.
Incorrect policy distribution.
"Reconciling fabric parameters individually,"
Chapter 9, "Zone Issues").
Fabrics").

Segmented fabrics

next).
on page 36).
3
35