Channel Wrap Test (Ficon) - HP storageworks director 2/140 Service Manual

Note:
15. When the test completes, test results display (for each port tested) as Port
16. When finished, click Cancel to close the Port Diagnostics dialog box and
17. Reset each tested port:
18. Remove loopback plugs from the tested ports.
19. Reconnect fiber optic jumper cables from devices to tested ports.

Channel Wrap Test (FICON)

A channel wrap test is a diagnostic procedure that checks FICON host-to-director
link connectivity by returning the output of the host as input. The test is host
initiated, and transmits ECHO extended link service (ELS) command frames to a
director port enabled for channel wrapping. The director port echoes the frames
back to the host.
To perform a channel wrap test for a director-attached host:
1. Notify the customer a disruptive channel wrap test will be performed on the
Director 2/140 Service Manual
— A red progress bar (indicating percent completion) travels from left to
right across the Completion Status field.
As an individual port is tested, the amber LED flashes (beacons) and the green
LED illuminates (indicating loopback traffic through the port).
Click Stop Test at any time to abort the loopback test.
xx: Passed! or Port xx: Failed! in the message area of the dialog
box. If a port fails the test, the amber LED for the port remains illuminated.
return to the Hardware View. Beaconing is disabled for the port or UPM
card.
a. At the Hardware View, double-click the UPM card for which ports were
tested. The Port Card View displays.
b. At the Port Card View, right-click the tested port. A menu displays.
c. Choose Reset Port. A reset warning message box displays.
d. Click OK. The port resets.
host-to-director FICON link.
Repair Information
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