Running the Controller Diagnostics

Running the Controller Diagnostics

Use the Run Diagnostics Controller option to run various internal tests to verify that a is functioning correctly.


Note:

If you run diagnostics while a is using the owned by the selected controller, the I/O directed to this controller path is rejected.


Important:

Use this option only under the guidance of a representative.

  1. In the Physical pane, select a controller, and select Advanced >> Troubleshooting >> Run Diagnostics >> Controller .
  2. Select the check boxes for the diagnostic tests to be run. Choose from these tests:
Running the Data Loopback Test on a Single Channel


Important:

The data loopback test does not run on controllers that have SCSI connections between the controllers and the disk drives. The data loopback test only runs on controllers that have connections between the controller and the disk drives.

  1. Select a channel from the channel drop-down list.
  2. Select a data pattern file for the data loopback test. Select Use default data pattern to use the default data pattern, or select Use custom data pattern file to specify another file.

    A custom data pattern file called diagnosticsDataPattern.dpf is provided on the root directory of the installation CD. You can modify this file, but the file must have these properties to work correctly for the test:

  3. Click Run.
  4. In the text box, type yes, and click OK.

    The selected diagnostic tests begin. When the tests are complete, the Status field is updated with test results. The test results contain a generic, overall status message, and a set of specific test results. Each test result contains this information:


    Note:

    Events are written to the when diagnostics are started and when testing is completed. These events help you to evaluate whether diagnostics testing was successful or failed and the reason for the failure. To view the Event Log, select View >> Event Log .

  5. Click Close.


    Important:

    When diagnostics are completed, the controller should automatically allow data to be transferred to it. However, if a situation exists where data transfer is not re-enabled, in the Physical pane, select the controller, and select Data Transfer >> Enable .

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