All commands in the diagnostic procedures are issued from the node where the component is being replaced.
1.
If the node to be serviced is not at the LOADER prompt, reboot the node:
system node halt -node
node_name
After you issue the command, you should wait until the system stops at the LOADER prompt.
2. At the LOADER prompt, access the special drivers specifically designed for system-level diagnostics to
function properly:
boot_diags
3. Select Scan System from the displayed menu to enable running the diagnostics tests.
4. Select Test system from the displayed menu to run diagnostics tests.
5. Select the test or series of tests from the various sub-menus.
6. Proceed based on the result of the preceding step:
◦ If the test failed, correct the failure, and then rerun the test.
◦ If the test reported no failures, select Reboot from the menu to reboot the system.
Step 3: Return the failed part to NetApp
After you replace the part, you can return the failed part to NetApp, as described in the RMA instructions
shipped with the kit. Contact technical support at
NetApp Support, 888-463-8277 (North America), 00-800-44-
638277 (Europe), or +800-800-80-800 (Asia/Pacific) if you need the RMA number or additional help with the
replacement procedure.
Controller module
Overview of controller module replacement - AFF A320
You must review the prerequisites for the replacement procedure and select the correct
one for your version of the ONTAP operating system.
• All drive shelves must be working properly.
• The healthy controller must be able to take over the controller that is being replaced (referred to in this
procedure as the “impaired controller”).
• If your system is in a MetroCluster configuration, you must review the section
Choosing the correct
recovery procedure
to determine whether you should use this procedure.
If this is the procedure you should use, note that the controller replacement procedure for a controller in a
four or eight node MetroCluster configuration is the same as that in an HA pair. No MetroCluster-specific
steps are required because the failure is restricted to an HA pair and storage failover commands can be
used to provide nondisruptive operation during the replacement.
• You must replace the failed component with a replacement FRU component you received from your
provider.
• You must be replacing a controller module with a controller module of the same model type. You cannot
upgrade your system by just replacing the controller module.
• You cannot change any drives or drive shelves as part of this procedure.
• In this procedure, the boot device is moved from the impaired controller to the replacement controller so
that the replacement controller will boot up in the same version of ONTAP as the old controller module.
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