[Samba] Need to upgrade very old samba: 4.6 AD to current release

[xyz]

Thank you Rowland I will verify proposed path h in a lab environment.

The most important thing for me is that I have confirmation that it is
better to add new controllers and transfer roles than to restore copies and
update backups
Cheers!

sob., 25 mar 2023 o 12:30 Rowland Penny via samba <samba at lists.samba.org>
napisał(a):

>
>
> On 24/03/2023 19:54, xyz via samba wrote:
> > Hello
> > I need to upgrade Samba v.4.6 with AD enabled, which is built from
> sources
> > and installed on Ubuntu 12.04.
>
> Ouch, they are both very old.
>
> >
> > Trying .configure script in v.4.9 it complains: Samba AD DC and
> > --enable-selftest requires lmdb 0.9.16 or later
>
> Do really need selftest ?
>
> >
> > In this state of the outdated system upgrade will fail due to missed
> > dependencies.
> >
> > I planned to upgrade OS before parallel to samba upgrade, but sadly repos
> > of Ubuntu 12.04 and 14.04 has been removed.
> >
> > Maybe I should install ubuntu 16.04 on the test machine,
>
> I would go for 18.04, it is still just in support and this will get you
> Samba 4.7.6 (if I remember correctly). Set up a new computer and join
> this to the domain as a DC, then transfer the FSMO roles to it.
>
> After that, I would abandon Ubuntu, install Debian buster and join this
> as a DC (this will get you to 4.9.5), then either join bullseye using
> backports, or upgrade in place to bullseye using backports, this will
> get you to 4.17.6
> You may be able to directly join a debian bullseye machine to your 18.04
> DC, but probably better safe than sorry.
>
> > restore the backup of the samba installation on it
>
> If your backup was taken using the old Samba backup method, then I
> wouldn't rely on it, there was no restore method for a start.
>
> What ever way you go, I would test it in sandbox first.
>
> Rowland
>
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