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Changing the RAID level of an aggregate

When you change an aggregate’s RAID level (from RAID4 to RAID-DP, for example), Data ONTAP reconfigures existing RAID groups to the new level and applies the new level to subsequently created RAID groups.

You cannot change the Data ONTAP RAID level of aggregates containing array LUNs. Aggregates that contain array LUNs must have a Data ONTAP RAID level of RAID0. RAID protection for aggregates that contain array LUNs is provided by the storage array.