Non-destructively? You can either add four more drives (of any size you want) or replace them one by one using the replace feature of the WebUI.
Suggested readings are iX's ZFS Pool Layout White Paper and Assessing the Potential for Data Loss.
Non-destructively? You can either add four more drives (of any size you want) or replace them one by one using the replace feature of the WebUI.
Suggested readings are iX's ZFS Pool Layout White Paper and Assessing the Potential for Data Loss.