HP AA979A - StorageWorks SAN Switch 2/8V, Administrator'S Manual, Page: 309 / 465

Fabric OS 5.3.0 administrator guide 321
Identifying media-related issues
This section provides procedures that help pinpoint any media-related issues in the fabric. The tests listed in
Table 68 are a combination of structural and functional tests that can be used to provide an overview of
the hardware components and help identify media-related issues.
• Structural tests perform basic testing of the switch circuit. If a structural test fails, replace the main board
or port blade.
• Functional tests verify the intended operational behavior of the switch by virtue of running frames
through ports or bypass circuitry.
The following procedures are for checking switch-specific components.
To test a port’s external transmit and receive path
1. Connect to the switch and log in as
admin
.
2. Connect the port you want to test to any other switch port with the cable you want to test.
3. Enter the
crossPortTest
command with the following operands (this is a partial list. Refer to the
Fabric OS Command Reference Manual for additional command information):
• [-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.
Example
Table 68 Component test descriptions
Test Name Operands Checks
crossporttest
[-nframes count ]
[-lb_mode mode ][-spd_mode
mode ]
[-gbic_mode mode ] [-norestore
mode ]
[-ports itemlist ]
Functional test of port external
transmit and receive path.
The
crossport is set to loopback
using an external cable by default.
However, this command can be used
to check internal components by
setting the
lb
operand to 5.
fporttest
[-nframes count ] [-ports
itemlist ]
[-seed payload_pattern ]
[-width pattern_width ] [-size
pattern_size ]
Tests component to/from and HBA.
Used to test online F_Port devices,
N_Port devices, SFPs, and GBICs.
loopporttest
[-nframes count ]
[-ports itemlist ][-seed
payload_pattern ]
[-width pattern_width ]
Only tests components attached to a
switch that are on a FC-AL.
spinfab
[ -nmegs count ] [ -ports
itemlist ] [ -setfail mode ]
Tests switch-to-switch ISL cabling and
trunk group operations.
switch:admin> crossporttest
Running Cross Port Test .... passed.