Do I need technical support to revert an ONTAP cluster?
You should contact technical support before you attempt to revert an ONTAP cluster in the following situations:
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A production environment
Do not attempt to revert a production cluster without assistance from technical support.
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You created volumes in ONTAP 9.5 or later and you need to revert to an earlier version.
Volumes using adaptive compression must be uncompressed before reverting.
You can revert new or test clusters without assistance. If you attempt to revert a cluster on your own and experience any of the following issues, you should call technical support:
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The revert fails or cannot finish.
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The revert finishes, but the cluster is unusable in a production environment.
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The revert finishes and the cluster goes into production, but you are not satisfied with its behavior.