Identify any incompatable volumes or Snapshot copies before downgrade
cluster1::*> volume efficiency prepare-to-downgrade -disable-feature-set 8.3.1The following example disables the features introduced in ONTAP 9.6.0.
cluster1::*> volume efficiency prepare-to-downgrade -disable-feature-set 9.6.0The following example ignores offline volumes while disabling the features introduced in ONTAP 9.6.0 .
cluster1::*> volume efficiency prepare-to-downgrade -disable-feature-set 9.6.0 -skip-offline-volumes trueThe following example ignores offline volumes while disabling the features introduced in Data ONTAP 8.3.1 .
cluster1::*> volume efficiency prepare-to-downgrade -disable-feature-set 8.3.1 -skip-offline-volumes true