Date: Thu, 13 Apr 2017 10:03:02 +0100 From: tech-lists <tech-lists@zyxst.net> To: freebsd-questions@freebsd.org Subject: hopefully simple query regarding dd Message-ID: <7ed0944d-56d0-fc10-629b-b90067f48651@zyxst.net>
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Hello questions@ I couldn't find an an answer to this hopefully non-silly question and can't test it meself without possibly risking a hd. Basically what I want to know is this. Can I do this: dd if=/dev/ada0 of=/dev/ada0 to refresh the disk, and *expect the outcome to be non-destructive for the disk*. That bit is important. By non-destructive, I mean for the data already on it. Can I do this multiuser or do I need to boot to a rescue environment beforehand? thanks, -- J.
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