Fabric OS Troubleshooting and Diagnostics Guide 89
53-1002150-02
Using the SpinFab and portTest commands
10
Using the SpinFab and portTest commands
The spinFab command is an online diagnostics command to verify the ISL links between switches
at the maximum speed. It is done by setting up the routing functionality in the hardware such that
the test frames received by E_Port are retransmitted on the same E_Port. Several frames are then
sent to the port attached to each active E_Port specified. These frames are special frames which
never occur during normal traffic and the default action for such frames is to route them back to
the sender. These frames are circulated between switches until the test stops them.
During the spinFab testing, the switch remains in normal operation. However, some performance
degradation occurs due to the ISL links being saturated with the test frames. This test should be
run with caution on a live fabric.
Table 18 lists the supported ports for the specified version of Fabric OS when using the spinFab
command.
Debugging spinFab errors
Link errors and tx/rx errors are seen when the spinFab test fails.
TABLE 18 Port type support
Port type Supported in v6.3.0 Supported in v6.4.0
Loopback Yes Yes
E_Ports Yes Yes
Trunk Master ports Yes Yes
Ports beyond index 255 Yes Yes
Ports with swapped areas Yes Yes
Shared-area ports Yes Yes
Ports in logical switches Yes Yes
Ports in base switches Yes Yes
Trunk slave por ts No Yes
Long distance ports No Yes
F_Ports connected to Brocade HBAs No Yes
1
1. If you use the spinFab command to test F_Ports connected to Brocade HBAs it is
required that the firmware version on the HBA is v2.1.1 or later.
ICL ports No No
F_Ports connected to Access Gateway No No
EX_Ports No No
Ports in an Access Gateway switch No No
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