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upgrade-arl-manual-app/guidelines_upgrade_with_arl.html
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Understand if you can use the manual ARL upgrade procedure for a pair of controllers running ONTAP 9.8 or later.

Guidelines for upgrading controllers with ARL

To understand whether you can use aggregate relocation (ARL) to upgrade a pair of controllers running ONTAP 9.8 depends on the platform and the configuration of both the original and replacement controllers.

Supported upgrades for ARL

You can upgrade a pair of nodes using ARL under the following circumstances:

  • Both the original controllers and the replacement controllers must be running the same version of ONTAP 9.8 before the upgrade.

../_include/ru_man_supported_upgrades_chunk_a.adoc
* For some ARL controller upgrades you can use temporary cluster ports on the replacement controller for the upgrade. For example, if you upgrade from an AFF A300 to an AFF A400 system, depending on the AFF A400 configuration, you can use any of the two mezzanine ports or add a four-port 10GbE network interface card to provide temporary cluster ports. After you complete a controller upgrade using temporary cluster ports, you can nondisruptively migrate clusters to 100GbE ports on the replacement controller.
../_include/ru_man_supported_upgrades_chunk_b.adoc

If you have a system with more than two cluster ports per node, such as an FAS8080 or an AFF8080 system, before you start the upgrade, you must migrate and re-home the cluster LIFs to two cluster ports per node. If you perform the controller upgrade with more than two cluster ports per node, cluster LIFs might be missing on the new controller after the upgrade.

Upgrades not supported for ARL

You cannot perform the following upgrades:

  • To or from controllers that cannot run ONTAP 9.8 or later.

  • To replacement controllers that do not support the disk shelves connected to the original controllers.

    For disk-support information, refer to References to link to the Hardware Universe.

  • From controllers with root aggregates or data aggregates on internal drives.

    If you want to upgrade controllers with root aggregates or data aggregates on internal disk drives, refer to References to link to Upgrade by moving volumes or storage and go to the procedure Upgrading a pair of nodes running clustered Data ONTAP by moving volumes.

    Note
    		 If you want to upgrade ONTAP on nodes in a cluster, refer to References to link to Upgrade ONTAP.

Licensing in ONTAP 9.8 or Later

All license keys are 28 uppercase alphabetic characters in length. Refer to References to link to the NetApp Support Site where you can obtain new 28-character license keys for ONTAP 9.8. or later. The keys are available in the My Support section under Software licenses. If the site does not have the license keys you need, contact your NetApp sales representative.

For detailed information about licensing, go to References to link to the System Administration Reference.

Two-node switchless clusters

If you are upgrading nodes in a two-node switchless cluster, you can leave the nodes in the switchless cluster while performing the upgrade. You do not need to convert them to a switched cluster