need to reformat hard drive first???
Posted: Fri Jul 17, 2015 9:26 pm
Is it necessary to reformat a hard drive which is formatted as HFS+ Journaled (standard Mac format) containing data before adding it to a ZFS pool?
Because you care about your data.
https://openzfsonosx.org/forum/
lundman wrote:No, just unmount it with diskutil, and then create pool on it with "-f". Make sure you get the right disk.