HP StorageWorks MSA 2/8 HP StorageWorks Fabric OS V3.1.x/4.1.x Reference Guide - Page 569

portLEDTest portLEDTest Exercise the user port LEDs. Synopsis portLEDTest [-npass count][-ports itemlist] Availability Admin Release V4.1.x Description Use this command to exercise the user port LEDs in the current switch ON/OFF by setting the ATTN LEDs to green for the ON condition and black for the OFF condition. The SPEED LEDs are initially set to black before the command execution. The SPEED LEDs are set to green once the command is executing. You must disable the current switch (using the switchdisable command) before running this command. After the command had completed, the ATTN LEDs flash amber indicating the command has finished and exited. You can enable the current switch (using the switchenable command) to set the ATTN LEDs back to black. Options This command has the following operands: -npass count -ports itemlist Specify the number of times to perform this test. The default value is 10. Specify a list of user ports to run the test. If omitted, all the active ports in the switch are assumed. For more information refer to the itemlist command. Fabric OS Version 3.1.x/4.1.x Reference Guide 569