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Requirements for reverting to a Data ONTAP release with a lower maximum capacity

When you revert to an earlier Data ONTAP release, your storage system must conform to the maximum capacity limitations of the earlier release.

If you upgraded your system to a release that supports greater capacities and you configured storage to utilize the new capacities, you must reconfigure your system to the lower capacity limits before you revert. If you do not reconfigure in this way, the storage system does not boot up following the revert process until the excess capacity has been disconnected.

You can reduce the total capacity of your system by destroying aggregates or by moving aggregates to a different system. The system to which storage is relocated must meet the following requirements:

For more information about physically moving aggregates, see the Data ONTAP Storage Management Guide for 7-Mode.

For more information about maximum capacity limits for a given Data ONTAP release, see the System Configuration Guide entries for that release.