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Subject: [Bug 170523] [zfs] zfs rename pool@snapshot1 pool@snapshot2 UNMOUNTS
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Date: Wed, 17 Jan 2018 11:48:41 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D170523

--- Comment #4 from vermaden@interia.pl ---
Still.

# zfs rename sys/ROOT/default sys/ROOT/default1
cannot unmount '/': Invalid argument

Is the unmount really necessary?

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