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Date:      Sat, 5 Mar 2016 18:17:42 +0100
From:      Polytropon <freebsd@edvax.de>
To:        Doug Hardie <bc979@lafn.org>
Cc:        FreeBSD Questions <freebsd-questions@freebsd.org>
Subject:   Re: Upcoming Releases
Message-ID:  <20160305181742.9c3abe96.freebsd@edvax.de>
In-Reply-To: <EEFD0376-2038-4801-9A7A-BF342B66F029@lafn.org>
References:  <EEFD0376-2038-4801-9A7A-BF342B66F029@lafn.org>

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On Fri, 4 Mar 2016 16:58:20 -0800, Doug Hardie wrote:
> I am running a number of 9.3 systems and am planning the next
> system update for them.  As my client schedules have evolved,
> it now turns out that about the only time I will be able to
> bring them down for an update will be in June 2016.  I suspect
> the next available time will be in June 2017.

Your maintenance schedule is out of sync with the FreeBSD release
schedule. :-)



> The release schedules indicate that 10.3 will be out by this
> June but 11.0 will not.  Back when 10.0 arrived, I decided to
> skip it as there were issues that would require rework of my
> applications both for 10 and then again for 11.  Unfortunately,
> I didn't bother to document those and my memory of the specific
> issues is long gone.

In this case, there's a nice mechanism that let's you keep your
installed applications running without modification: Install the
compatibility packages (compat9x-[i386|amd64] on 10, and similarly
on 11). But be careful: It doesn't work all the time! Testing is
required. And as soon as you start upgrading installed applications,
the _real_ will start. :-)

A new installation on a test system, with a snapshot of the data
required, and with configuration altered as needed, usually is the
most comfortable way to deal with it. If everything works as intended,
it's easy to switch over from 9.3 to 10.3 during the maintenance
period.



> So I am trying to decide to upgrade to 10.3 this year or wait till
> next for 11.0. 

That would leave you with 9.3 being out of support for some time.
Security updates won't be backported, so in worst case, you'd have
to do it yourself (if relevant and urgently required). In such a
case, read the security and announcement mailing lists, and check
the security audits for all your installed applications.



> Is there anywhere a listing of the high level changes from 9 to
> 10 to 11?  I know about the switch from GCC to Clang but that's
> all I remember.

During FreeBSD 9, the transition to pkg and the changes in the ports
architecture happened, but with 9.3, you're probably already using
the current versions.

You can find more information here:

http://www.freebsd.org/releng/index.html

https://www.freebsd.org/releases/9.3R/announce.html
https://www.freebsd.org/releases/9.3R/relnotes.html
https://www.freebsd.org/releases/9.3R/errata.html

https://www.freebsd.org/releases/10.0R/announce.html
https://www.freebsd.org/releases/10.0R/relnotes.html
https://www.freebsd.org/releases/10.0R/errata.html

https://www.freebsd.org/releases/10.1R/announce.html
https://www.freebsd.org/releases/10.1R/relnotes.html
https://www.freebsd.org/releases/10.1R/errata.html

https://www.freebsd.org/releases/10.2R/announce.html
https://www.freebsd.org/releases/10.2R/relnotes.html
https://www.freebsd.org/releases/10.2R/errata.html

https://www.freebsd.org/releases/10.3R/schedule.html

https://www.freebsd.org/releases/11.0R/schedule.html


-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...



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