Users Guide

Fabric OS Troubleshooting and Diagnostics Guide 87
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Using the spinFab and portTest commands
10
Displaying the uptime for a switch
1. Connect to the switch and log in as admin.
2. Enter the uptime command.
ecp:admin> uptime
10:50:19 up 11 days, 6:28, 1 user, load average: 0.49, 0.53, 0.54
The uptime command displays the length of time the system has been in operation, the total
cumulative amount of uptime since the system was first powered on, and the load average
over the past one minute. The reason for the last switch reboot is also recorded in the system
message log.
Using the spinFab and portTest commands
The spinFab command is an online diagnostics command to verify the ISs between switches at the
maximum speed. The routing functionality in the hardware must be set up so that the test frames
received by the 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 that 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.
CAUTION
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.
TABLE 18 Port type support
Port type Supported in v6.3.0 Supported in v6.4.0 Supported in v7.2.0
Loopback Yes Yes Yes
D_Ports No No Yes
D_Ports to AG switch ports No No Yes
E_Ports Yes Yes Yes
Trunk Master ports Yes Yes Yes
Ports beyond index 255 Yes Yes Yes
Ports with swapped areas Yes Yes Yes
Shared-area ports Yes Yes Yes
Ports in logical switches Yes Yes Yes
Ports in base switches Yes Yes Yes
Trunk slave ports No Yes Yes
Long distance ports No Yes Yes