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Date:      Tue, 15 Dec 2015 13:53:14 +0000
From:      Matthew Seaman <matthew@freebsd.org>
To:        freebsd-questions@freebsd.org
Subject:   Re: freebsd-update, ZFS, and ver 8.2
Message-ID:  <56701B4A.3000403@freebsd.org>
In-Reply-To: <1722921.FWY8hBbdbQ@curlew.lan>
References:  <20151214194012.M53329@brightstar.bomgardner.net> <CALfReyfzGq7in_FnGCJXW5aPmyCqjm4z+DJ_i3ZPEkDCJZWiLg@mail.gmail.com> <566FD253.5090906@FreeBSD.org> <1722921.FWY8hBbdbQ@curlew.lan>

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On 12/15/15 12:24, Mike Clarke wrote:
> On Tuesday 15 Dec 2015 08:41:55 Matthew Seaman wrote:
>=20
>> There's more to do to fully update ZFS after this.  ZFS has a number o=
f
>> new features that are available in 10.x which you can use 'zpool
>> upgrade' to enable.
>=20
> As I understand it, upgrading the zpool would prevent you from revertin=
g to=20
> the earlier 8.2 or 9.0 boot environments. In which case I expect it wou=
ld be=20
> safer to avoid the "zpool upgrade" step until you're happy with the 10.=
2=20
> system.

That's certainly true.  Rewriting the boot blocks won't prevent you from
going back to 8.x but updating the zpool certainly will.  So, yes, don't
do this step until you're happy that 10.2 is working properly and
there's no need to revert.

	Cheers,

	Matthew





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