I have a feeling that this question has been asked before but I couldn't find it anywhere. I have a two 3 TB drives mirrored FreeNAS setup with data on the drives. I have added a new 3 TB drive to the computer. I cannot figure out how to add that drive to the existing setup. When I initially ran the Wizard setup, I had the Wizard select the best option for the two drives I had installed. I think it is mirrored. I'm guessing the Wizard went with media (Raid Z1) option. I'd rather not destroy the data to change the configuration of the raid. I'd like to stick with media Raid Z1 but if I have to go with backups Raid Z2 then that would be fine. I can't figure out how to do this. The guide isn't helping. I need some step by step instructions.
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