need to reformat hard drive first???

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need to reformat hard drive first???

Postby kengh » 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?
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Re: need to reformat hard drive first???

Postby lundman » Sat Jul 18, 2015 1:07 am

No, just unmount it with diskutil, and then create pool on it with "-f". Make sure you get the right disk.
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Re: need to reformat hard drive first???

Postby kengh » Sat Jul 18, 2015 1:15 am

lundman wrote:No, just unmount it with diskutil, and then create pool on it with "-f". Make sure you get the right disk.


OK good. Thanks. The disk I have in mind will be part of a two-way mirror. The other disk is a new unused one and I was concerned that I might have to "wipe" it first.
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