Samba3 / Samba4 migration -- question

Andrew Bartlett abartlet at
Sat Nov 5 05:08:47 MDT 2011

On Fri, 2011-11-04 at 15:27 -0400, Adam Tauno Williams wrote:
> Quoting Gémes Géza <geza at>:
> >>> But OpenLDAP stores all these database attributes that have nothing
> >>> to do with Samba that all these other applications rely on? What if
> >>> an infrastructure keeps Samba 3 Servers in place in some locations
> >>> for compatibility reasons? The scary part is OpenLDAP going away.
> > I'm currently experimenting a similar upgrade scenario, where an
> > OpenLDAP+Heimdal+Samba3 controlled domain would get upgraded to Samba4.
> > My Heimdal+OpenLDAP critical apps are:
> > OpenAFS
> > SSH
> > Apache+mod_krb5
> > PowerDNS (ldap module)
> > ISC DHCPD (with an ldap database)
> > Sudoers
> Were you using RFC2307/NIS schema for posixUser uid/gid information?   
> I'm still researching how to migrate that information - I'd like to  
> keep the host configurations as similar as possible.

Support for Samba4 honouring those fields (rather than just allowing it
to be populated) is a long-standing TODO.  For the moment, the mapping
for Samba4's use is stored in a local, not replicated ldb. 

Andrew Bartlett

Andrew Bartlett                      
Authentication Developer, Samba Team 

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