[Samba] samba4 PDC to BDC file replication

Daniel Müller mueller at tropenklinik.de
Fri Mar 1 00:08:56 MST 2013

Use glusterfs.

And samba4 in replication mode.

Good Luck

EDV Daniel Müller

Leitung EDV
Tropenklinik Paul-Lechler-Krankenhaus
Paul-Lechler-Str. 24
72076 Tübingen

Tel.: 07071/206-463, Fax: 07071/206-499
eMail: mueller at tropenklinik.de
Internet: www.tropenklinik.de
-----Ursprüngliche Nachricht-----
Von: samba-bounces at lists.samba.org [mailto:samba-bounces at lists.samba.org] Im
Auftrag von C Waddy
Gesendet: Freitag, 1. März 2013 07:19
An: Greg Sloop
Cc: samba at lists.samba.org
Betreff: Re: [Samba] samba4 PDC to BDC file replication

Hi Greg,

Thanks for the info, its a tough one. I was hoping the msdsf would replicate
data but it appears it doesnt appear to or am i missing something?

I used a program in the past called File replication pro on Suse/novell  and
it worked. I haave emailed their support and asked if it will work in our

I am going to give it a go in the Samba4 test environment over the weekend,
ill let you know if it works.

On Fri, Mar 1, 2013 at 3:13 PM, Gregory Sloop <gregs at sloop.net> wrote:

> CW> I have built two samba4 boxes, one as a PDC and the as a DC, all
> working
> CW> perfectly. If I create a user through the mmc snapin then turn off 
> CW> the
> PDC,
> CW> I can still login to the domain using the DC which is great. The
> problem is
> CW> their files and ntfs permissions on BDC.
> CW> I have assigned user and group rights using windows explorer to 
> CW> certain folders, i.e granted user1 full permissions to that folder
> CW> The problem I have is trying to replicate/snc the users data/files
> from PDC
> CW> to DC whilst keeping the NTFS permissions that have been set. 
> CW> Rysnc
> doesnt
> CW> seem to keep the ntfs permissions
> CW> The reason for this is if the PDC goes down, user logs on using 
> CW> the DC
> and
> CW> can access their files which have retained their files and
> CW> Is there some way to achieve this?
> I'm in the same boat, and I'm only aware of two possibilities.
> 1) Robocopy - using a Windows client.
>    BUT Robocopy doesn't do file deltas - changed files are copied in
>    their entirety. Which isn't a problem if you don't have large
>    files. But if you've got a 10G file that changes often, then this
>    probably isn't the best alternative.
> 2) http://www.bvckup.com/support/ [Bvckup]
>    This also appears to be a Windows utility, but does handle file
>    delta's. I have never used this tool and so can't vouch for it in any
>    way.
> If you find a functional solution, that preferably can be used on the 
> two Linux/Samba boxes to do file-deltas and still maintain the 
> permissions - that would be best.
> One other option that might work:
> Rsync the data, and use robocopy to simply duplicate the permissions 
> structure. [I believe this is possible.]
> This last idea sounds bat$hit insane - but hey, it might actually work 
> reasonably well. :)
> -Greg
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