Emulex OneCommand Manager Application User Manual (P006979-01A Version 5.2, August 2011)

The OneCommand Manager User Manual Page 176
Figure 107: Advanced Diagnostic Tests Warning window for External Loopback
5. Click OK. The progress bar indicates that the test is running.
Periodic test feedback, consisting of the current loopback test/cycle plus the completion status
of each type of test, is displayed in the Test Log section of the dialog box. Click Clear to erase
the contents of the log display or click Save to File to save the log file.
Running End-to-End (ECHO) Tests
Run echo tests using the End-to-End (ECHO) Test section of the Diagnostics tab. The end-to-end test
enables you send an ECHO command/response sequence between an adapter port and a target port.
(Not available in read-only mode.)
To run end-to-end echo tests:
1. From the discovery-tree, select the adapter port from which to initiate the End-to-End (ECHO)
Test.
2. Select the Diagnostics tab. Click Advanced Diagnostic Tests.
Check Echo Test. Enter the World Wide Port Name (WWPN) for the target.
or
Click Select From List if you do not know the actual WWPN of the test target. The Select Echo
Test Target dialog box appears. Select the port to test from the tree-view and click Select. All
relevant information for the selected port is automatically added to the Target Identifier section of
the Diagnostics dialog box.
Note: Not all remote devices respond to an echo command.
You cannot run the ECHO test and the External Loopback test concurrently. If you
select the ECHO Test the External Loopback test is disabled.