Diagnosing a Remote Replication Connection Problem

$DEV_NAME $FRU_NAME, has been selected.

To prepare for this service action, perform the following:

Note: The Reserve function is not used in this procedure in order to execute the Remote Communications Test used below.

  1. The remote volume name will be needed to execute the Remote Communications Test used in this procedure. If it is not known, return to the Web Console by selecting the Console button from the top left side of the Storage Automated Diagnostic Environment main screen.

  2. At the Web Console screen select the Sun StorageTek Configuration Service link under the Storage category on the left.

  3. At the Array Summary screen under the Name column select the array name link for the remote/secondary tray.

  4. At the Volume Summary screen note the volume name. It can be identified as "Replicated" under the Type column.

  • Observe all ESD precautions.

  • Verify the "State" and "Status" of the Four FC Controllers that the Remote Replication option is installed on.

    1. Verify the controller "State" and "Status".

      a) The controller "State" should be "Enable" and the "Status" should be "OK".

    2. From the index on the left-side of the screen select the corresponding controller tray that is part of the Remote Replication Set and verify the "State" and "Status" of its controllers.

    3. If any of the controllers do not have a "State" of "Enable" and a "Status" of "OK" check for associated alarms - if necessary proceed to the controller removal/replacement procedures. If necessary contact your Sun Service provider or your next level of technical support.

  • Verify the Remote Volume Mirror Link Connectivity

    1. Verify that the Remote Replication links are functional.

      Run the Communication Check test.

      a) From the Diagnostics table select the Remote Peer Communication Check text button.

      b) Select the Run Test button at the top left of the table.

      c) From the Test Setup screen, select the volume name from the drop down box.

      d) From the Test Setup screen the Sample size can be changed from the default value if desired.

      e) Select the Run Button from the right side of the screen.

      f) From the Execute Diagnostic pop-up screen select the OK button or hit Return/Enter.

    2. After the test has completed check the Test Overview table for a "Completed Successfully" or a "Failed" status. Based on the test return information proceed to one of the following sections.

  • Verify the Cables and Connectors Connectivity

    1. Inspect the cables for physical damage at all connection points.

    2. Reseat the cables at connection points if necessary.

    3. Inspect the SFP transceivers at all connection points.

    4. Reseat the SFP transceivers at all connection points if necessary.

  • Verify that the Remote Replication is Configured Correctly

    1. Return to the Web Console by selecting the Console button from the top left side of the screen.

    2. At the Web Console screen select the Sun StorageTek Configuration Service link under the Storage category on the left.

    3. At the Array Summary screen, under the Name column select the appropriate array name link.

    4. At the Volume Summary screen, select Replication Sets from the Navigation tree on the left side of the screen.

    5. At the Replication Sets Summary screen, verify that all of the configuration information is correct.

    6. If at this point the problem has not been identified or still exists contact your Sun Service provider or you next level of technical support.

  • Service Action Completion

    1. After this service action has been completed verify that the Remote Replication links are now functional.

      Run the Communication Check test.

      a) From the Diagnostics table select the Remote Peer Communication Check text button.

      b) Select the Run Test button at the top left of the table.

      c) From the Test Setup screen, select the volume name from the drop down box.

      d) From the Test Setup screen the Sample size can be changed from the default value if desired.

      e) Select the Run Button from the right side of the screen.

      f) From the Execute Diagnostic pop-up screen select the OK button or hit Return/Enter.

    2. All Alarms will need to be deleted: Delete Alarms.

      a) From the left side of the screen select the "check mark" box to select all alarms.

      b) Select the Delete button to delete all of the alarms.

      Note: Be sure to delete any associated alarms from all other monitoring applications.