User`s guide

10 – Performing Diagnostics
Running Diagnostic Tests
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10.3
Running Diagnostic Tests
Once you have set the test parameters as described in section 10.2, perform the
following steps to run the loopback or read/write buffer test:
1. Click the Loopback Test or Read/Write Buffer Test button.
2. The diagnostic tests warning displays. Do one of the following:
❑ Click Yes if there are no I/Os active and you want to proceed with the test.
❑ Click No to cancel the diagnostic test.
3. If you selected Yes in step 2, a dialog box displays with the data pattern
generated. Click Stop when you want to end the test.
NOTE: An echo test is run instead of a loopback test under the following
conditions:
■ You have a QLA23xx HBA port that is connected to the fabric through
a point-to-point connection (F-port) or a QLA200 HBA.
■ The HBA is connected to a switch.
■ Your operating system has one of the driver versions listed in
table 10-1.