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Subject: Re: Some ZFS questions
To: Frederic Chardon <chardon.frederic@gmail.com>
Cc: freebsd-questions@freebsd.org
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From: Andrea Venturoli <ml@netfence.it>
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Date: Thu, 27 Apr 2017 16:19:39 +0200
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On 04/18/17 11:21, Frederic Chardon wrote:

>     What puzzles me is "zroot/ROOT": why do we need that? Why do we
>     mount "zroot/ROOT/default" as root instead of simply mounting
>     "zroot" at /?
> 
> 
> It's a setup for Boot Environment (just google that ;)). If you install 
> sysutils/beadm you can then have in parallel several root fs. It's not 
> mandatory but so useful that's is enabled by default.

Thanks.
Now I understand what this is and why it is useful.

Still, I think I need a SHTF-plan before I put such a system in production.
Is there any step-by-step instruction on how to mount the box's HD from 
a live filesystem?

  bye & Thanks
	av.