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Pre-revert checks

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PDFs

Depending on your environment, you need to consider certain factors before revert. Get started by reviewing the table below to see what special considerations you need to consider.

Ask yourself…​ If your answer is yes, then do this…​

Is my cluster running SnapMirror?

Is my cluster running SnapLock?

Set autocommit periods

Do I have Split FlexClone volumes?

Reverse physical block sharing

Do I have FlexGroup volumes?

Disable qtree functionality

Do I have CIFS servers in workgroup mode?

Move or delete CIFS servers in workgroup mode

Do I have deduplicated volumes?

Verify volume contains enough free space

Do I have Snapshot copies?

Prepare Snapshop copies

Am I reverting to ONTAP 8.3.x?

Identify user accounts that use SHA-2 hash function

Is anti-ransomware protection configured for ONTAP 9.11.1 or later?

Check anti-ransomware licensing

Is S3 multiprotocol access configured for ONTAP 9.12.1 or later?

Remove S3 NAS bucket configuration

Is NFSv4.1 session trunking configured for ONTAP 9.14.1 or later?

Remove NFSv4.1 session trunking configuration

MetroCluster pre-revert checks

Depending on your MetroCluster configuration, you need to consider certain factors before revert. Get started by reviewing the table below to see what special considerations you need to consider.

Ask yourself…​ If your answer is yes, then do this…​

Do I have a two- or four-node MetroCluster configuration?

Disable automatic unplanned switchover

Do I have a four- or eight-node MetroCluster IP or fabric-attached configuration running ONTAP 9.12.1 or later?

Disable IPsec