[Samba] samba3 and samba4 in the same domain?

[Andrew Bartlett]

On Tue, 2010-05-11 at 10:30 +0200, Tomasz Chmielewski wrote:
> Am 11.05.2010 06:59, Tomasz Chmielewski wrote:
> > Am 11.05.2010 03:08, Andrew Bartlett wrote:
> >> On Mon, 2010-05-10 at 14:40 +0200, Tomasz Chmielewski wrote:
> >>> I have a Samba3 + OpenLDAP installation.
> >>>
> >>> How can I make Samba4 running on a different server be in the same
> >>> domain, have the same users etc.?
> >>
> >> I presume you mean mixing both Samba3 and Samba4 domain controllers in
> >> one domain? This is not possible. Any upgrade to samba4 would prevent
> >> you running a Samba3 DC. We don't support 'mixed mode' like that.
> >
> > Yes, that's more or less what I want to do.
> >
> > Any workarounds?
> >
> > Like "Samba4 winbind" fetching users from Samba3?
> 
> There is a page titled "Seamless Migration from Samba3 to Samba4":
> 
> http://www.samba.org/~jelmer/soc.html
> 
> Not sure how far this project is?

Some good work was produced, but we don't have a production-ready
upgrade path at this time.  

> Something like "wipe out all Samba4 users, retrieve/synchronize them 
> again from Samba3 LDAP once a day" would be sufficient for me for a start.

I really would not do that.  If a machine or user has changed their
password, then the wipe will do bad things.

Andrew Bartlett

-- 
Andrew Bartlett                                http://samba.org/~abartlet/
Authentication Developer, Samba Team           http://samba.org
Samba Developer, Cisco Inc.

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