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How you can use effective ONTAP disk type for mixing HDDs

Certain ONTAP disk types are considered equivalent for the purposes of creating and adding to aggregates, and managing spares. ONTAP assigns an effective disk type for each disk type. You can mix HDDs that have the same effective disk type.

When the raid.disktype.enable option is set to off , you can mix certain types of HDDs within the same aggregate. When the raid.disktype.enable option is set to on , the effective disk type is the same as the ONTAP disk type. Aggregates can be created using only one disk type. The default value for the raid.disktype.enable option is off .