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Install and maintain

Requirements to replace the boot media - ASA A20, ASA A30, and ASA A50

Contributors netapp-lisa netapp-jsnyder
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Before replacing the boot media in your ASA A20, ASA A30 or ASA A50 storage system, ensure you meet the necessary requirements and considerations for a successful replacement. This includes verifying that you have the correct replacement boot media, confirming that the e0M (wrench) port on the impaired controller is working properly, and determining whether Onboard Key Manager (OKM) or External Key Manager (EKM) is enabled.

Review the following requirements.

  • You must replace the failed component with a replacement FRU component of the same capacity that you received from NetApp.

  • Verify that the e0M (wrench) port on the impaired controller is connected and not faulty.

    The e0M port is used to communicate between the two controllers during the automated boot recovery process.

  • For OKM, you need the cluster-wide passphrase and also the backup data.

  • For EKM, you need copies of the following files from the partner node:

    • /cfcard/kmip/servers.cfg file.

    • /cfcard/kmip/certs/client.crt file.

    • /cfcard/kmip/certs/client.key file.

    • /cfcard/kmip/certs/CA.pem file.

  • It is critical to apply the commands to the correct controller when you are replacing the impaired boot media:

    • The impaired controller is the controller on which you are performing maintenance.

    • The healthy controller is the HA partner of the impaired controller.

What's next

After you've reviewed the boot media requirements, you shut down the impaired controller.