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Install and maintain

Manual boot media recovery from a USB drive - ASA C800

Contributors dougthomp netapp-jsnyder
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After installing the new boot media device in your system, you can boot the recovery image from a USB drive and restore the configuration from the partner node.

If your storage system is running ONTAP 9.17.1 or later, use the manual boot recovery procedure

Steps

  1. From the LOADER prompt, boot the recovery image from the USB flash drive: boot_recovery

    The image is downloaded from the USB flash drive.

  2. When prompted, either enter the name of the image or accept the default image displayed inside the brackets on your screen.

  3. Restore the var file system:

    Option 1: ONTAP 9.16.0 or earlier

    1. On the impaired controller, press Y when you see Do you want to restore the backup configuration now?

    2. If prompted on the impaired controller, press Y to overwrite /etc/ssh/ssh_host_ecdsa_key.

    3. On the healthy partner controller, set the impaired controller to advanced privilege level: set -privilege advanced.

    4. On the healthy partner controller, run the restore backup command: system node restore-backup -node local -target-address impaired_node_IP_address.

      NOTE: If you see any message other than a successful restore, contact NetApp Support.

    5. On the healthy partner controller, return the impaired controller to admin level: set -privilege admin.

    6. On the impaired controller, press Y when you see Was the restore backup procedure successful?.

    7. On the impaired controller, press Y when you see …​would you like to use this restored copy now?.

    8. On the impaired controller, press Y when prompted to reboot the impaired controller and press ctrl-c for the Boot Menu.

    9. If the system does not use encryption, select Option 1 Normal Boot., otherwise go to Restore encryption.

    Option 2: ONTAP 9.16.1 or later

    1. On the impaired controller, press Y when prompted to restore the backup configuration.

      After restore procedure is successful, this message will be seen on the console - syncflash_partner: Restore from partner complete.

    2. On the impaired controller, press Y when prompted to confirm if the restore backup was successful.

    3. On the impaired controller, press Y when prompted to use the restored configuration.

    4. On the impaired controller, press Y when prompted to reboot the node.

    5. On the impaired controller, press Y when prompted to reboot the impaired controller and press ctrl-c for the Boot Menu.

    6. If the system does not use encryption, select Option 1 Normal Boot., otherwise go to Restore encryption.

  1. Connect the console cable to the partner controller.

  2. Give back the controller using the storage failover giveback -fromnode local command.

  3. Restore automatic giveback if you disabled it by using the storage failover modify -node local -auto-giveback true command.

  4. If AutoSupport is enabled, restore/unsuppress automatic case creation by using the system node autosupport invoke -node * -type all -message MAINT=END command.

    NOTE: If the process fails, contact NetApp Support.