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Date:      Sat, 28 Feb 2009 09:10:32 -0500
From:      Dillon Kass <lists@loveturtle.net>
To:        freebsd-stable@freebsd.org
Subject:   Re: ZFS root File System
Message-ID:  <49A945D8.10000@loveturtle.net>
In-Reply-To: <49A84B63.5080903@delphij.net>
References:  <4E614185-A54E-43B8-8C07-4BA901DE5861@drsns.com> <49A84B63.5080903@delphij.net>

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Xin LI wrote:
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>
> Dr. Aharon Friedman wrote:
>   
> (note the fact that
> / can not be easily rolled back to previous state using ZFS's snapshot
> feature, and can not be easily switched between clones

I actually keep a full minimal install on my UFS /bootdisk slice (which 
i use geom mirror for) and then symlink /bootdisk/boot to /boot on the 
ZFS /. This way should I ever need to rollback ZFS / I can quickly 
change the vfs.root.mountfrom to /dev/mirror/gm0 and then have a base 
system living entirely on UFS. If you do it that way you can easily 
rollback your ZFS / should you need to and then just reboot back to the 
ZFS / when you're done.

Cheers,
Dillon





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