[Samba] Samba on Debian 8: ADS domain questions

[mathias dufresne]

2016-12-14 13:58 GMT+01:00 L.P.H. van Belle via samba <samba at lists.samba.org
>:

> Hi Stephan,
>
> I commented inbetween.
>
> > -----Oorspronkelijk bericht-----
> > Van: samba [mailto:samba-bounces at lists.samba.org] Namens Stefan G.
> > Weichinger via samba
> > Verzonden: woensdag 14 december 2016 13:19
> > Aan: samba at lists.samba.org
> > Onderwerp: Re: [Samba] Samba on Debian 8: ADS domain questions
> >
> > Am 2016-12-14 um 12:26 schrieb L.P.H. van Belle via samba:
> > > Hai,
> > >
> > > Thats a setup i really dont advice. Should work, but expect problems.
> >
> > Why?
>
> Due to somethings getting connection errors which can cause authentication
> problems en/or problems with starting other services.
>

This can be solved very easily booting VMs in the right order and possibly
adding latency between VMs launches.


>
> >
> > > You can happy run both in VMs.
> > > Can you explain maybe why your setting up like this,
> > > so we can maybe help you to get a better setup?
> >
> > Because current status is:
> >
> > samba4.x as NT4-DC on physical Gentoo-server, plus acting as main file
> > server for that site
> >
> > that same server provides KVM virtualization for one or two production
> vms
> >
> > we would like to solve this without adding another physical machine
> Ah ok, then in your case what i would do.
> Im using Xen server, http://www.tecmint.com/xenserver-physical-to-virtual-
> migration/
>
> or KVM/QEMU example.
>
> http://manuel.kiessling.net/2013/03/19/converting-a-
> running-physical-machine-to-a-kvm-virtual-machine/
>
> setup a test pc import te vm test test, all ok. Export it again.
> Reinstall the server for dedicated KVM server and import the tested vm
> again.
>
> Hope this helps out a but.
>
> Xen server is free and if you have 2 server with same architectures ( amd
> or intel ) you get live motion for free. (http://xenserver.org/)
> Which is very very handy if you have 2 or more servers.
> And you have 2 servers..  ..
> And then in your case 2 server. Run 3 (or 4) VM's.
> 2 x DC. ( one per phisical server )
>
> 1 x member, one per phisical.
> 1 x test server.
>
> But it just a suggestion here.
>
> >
> > -
> >
> > test-DC in a virtualbox VM on my laptop, Debian linux, working so far
> > with test VMs
> >
> > * scenario one would be: upgrade physical samba4 to ADS
> >
> > - no way to switch back to NT4 domain if things go wrong for the first
> > PCs we switch on ... // if things go smooth, fine, if not, we would like
> > to stop migration after the first tests ... (only switch on 2 or 3 PCs
> > and test things first)
> >
> > - uncertainty if samba on Debian behaves like samba on Gentoo. Think
> > other dependencies, other kerberos, other package versions
> Make it yourself easy, get my debian 8 samba packages, im testing these
> now for about a week and until now i havent seen any errors.
> Found here:  http://downloads.van-belle.nl/samba4/
> In the samba-4.5.2 folder is an very easy installer, start it, it explains
> itself.
>
> Im expecting to put these packages in about 1-2 weeks in my apt repo.
>
> >
> > - and we would like to gradually switch over to Debian, so that would be
> > a step in that direction.
> >
> > I have a backup server (=2nd physical server) there as well, which could
> > also become the new DC. Might be the better option than the VM, it is
> > Debian as well ...
>
> >
> > And the "main" file server could become a 2nd DC as Rowland recommended?
> > That server would have to provide shares as well, though.
>
> I would suggest keep the main file server but set it up as member.
> Copy the db files to the new DC and upgrade there.
> Keeps you old server intact, and you can test outside your production
> network.
>
>
>
> >
> > thanks all, Stefan
> >
> >
> > --
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>
>
> This is my disk for my DC, you dont need much.
> Filesystem                                    Size  Used Avail Use% Mounted
> /dev/xvda1                                    6.0G 1002M  4.7G  18% /
> And i run my DC's with 2Gb ram, dut i dont have a big AD.
> I do run about 10 servers here agains 2 dc's.
>
> Hope this helps you out.
>
>
> Greetz,
>
> Louis
>
>
>
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