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Date:      Mon, 7 Apr 2014 10:55:11 -0400
From:      Chris Nehren <cnehren+freebsd-stable@pobox.com>
To:        freebsd-stable@freebsd.org, FreeBSD Stable <stable@freebsd.org>
Subject:   Re: Note for those pulling in new ZFS feature flags
Message-ID:  <20140407145511.GA16747@behemoth>
In-Reply-To: <CAFHbX1%2BCerhdfo-VB4dj_JZAkp79b_KD7T0TCxFWTLGFsu-Mpw@mail.gmail.com>
References:  <20140407135421.GA16385@behemoth> <CAFHbX1%2BCerhdfo-VB4dj_JZAkp79b_KD7T0TCxFWTLGFsu-Mpw@mail.gmail.com>

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On Mon, Apr 07, 2014 at 15:36:21 +0100, Tom Evans wrote:
> > I solved this by re-running `gpart bootcode` for the afflicted
> > drives.  This was a bit trying, though, as my workstation is the
> > only FreeBSD machine I have readily available.  So, for those
> > upgrading their zpools, be careful and remember to fix the
> > bootcode if you're using ZFS for the root filesystem.
>=20
> ISTR that "zpool upgrade" will also remind you to do this if bootfs is
> true for the pool you upgraded.
>=20
> Also, it is always worth having around a bootable memstick available
> with the zfs code you are actually running in order to use as a
> recovery disk in circumstances like this.

I'm fairly certain there was no such message, or I would have
dutifully done what it said.  I definitely do know there is a
message of that kind when attaching a disk to a mirror, and I've
followed through there without issue.

--=20
Chris Nehren

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