2013-04-02 05:35 keltezéssel, simon+sa...@matthews.eu írta:


On Mon, 1 Apr 2013, simon+sa...@matthews.eu wrote:


On Tue, 2 Apr 2013, Andrew Bartlett wrote:

  On Mon, 2013-04-01 at 09:26 +0200, Gémes Géza wrote:
>   2013-04-01 02:36 keltezéssel, simon+sa...@matthews.eu írta:
> > Since I don't seem to be having any luck with the classicupgrade, I > > decided to try starting from scratch and then adding users.
> > > >   I ran the command:
> > /usr/local/samba/bin/samba-tool domain provision --realm=<my realm> \ > > --domain=<mydomain> --adminpass 'mypass' --server-role=dc \
> >   --dns-backend=BIND9_DLZ
> > > > Then I tried both adding and changing users. In neither case can I > > change the SID with pdbedit. It seems to be added with a > > system-defined SID, irrespective of what I specify. pdbedit -v is > > able to list the user's parameters, including the SID. > > > > Any suggestions? I am pretty much stuck here trying to figure out how > > to migrate from an existing SAMBA3 domain to SAMBA4.
> > > > >   Hi,
> > Trying to add users one by one (preserving SID) is IMHO a lot harder > (you would probably need to ldbmodify the user record of each one) to > do, than fixing your samba3 install to have it classicupgraded.

Indeed. The only way to safely import a list of users who already have SIDs is to migrate them to Samba 4.0's AD DC using one of the supported
  migration tools.

  These are 'samba-tool domain join dc' and 'samba-tool domain
  classicupgrade'.

Perhaps I need to address why the "classicupgrade" did not work. I see now that I did not pass the --dbdir option when running it before. I'll try again.


I went back to trying to get the classicupgrade to work:
/usr/local/samba/bin/samba-tool domain classicupgrade  \
--dbdir=/var/lib/samba/ --dbdir=/var/lib/samba/ --realm=a.b  \
/etc/samba/smb.conf --use-xattrs=yes

For the realm, I used a subdomain of one of the two existing dns domains in the LAN. It appears to be processing the information from the old domain tdb files, although I see some errors:
Cannot open idmap database, Ignoring: [Errno 2] No such file or directory
Importing groups
Could not add group name=Remote Desktop Users ((68, "samldb: Account name (sAMAccountName) 'Remote Desktop Users' already in use!")) Could not modify AD idmap entry for sid=S-1-5-21-4254857281-3346836279-4152649156-555, id=5077, type=ID_TYPE_GID ((32, "Base-DN '<SID=S-1-5-21-4254857281-3346836279-4152649156-555>' not found")) Could not add posix attrs for AD entry for sid=S-1-5-21-4254857281-3346836279-4152649156-555, ((32, "Base-DN '<SID=S-1-5-21-4254857281-3346836279-4152649156-555>' not found")) Group already exists sid=S-1-5-21-4254857281-3346836279-4152649156-512, groupname=Domain Admins existing_groupname=Domain Admins, Ignoring.

However, after this, all I get from pdbedit -L is:
# pdbedit -L
RAIDSERVER$:4294967295:
Administrator:4294967295:
[root@samba ~]# pdbedit -L
RAIDSERVER$:4294967295:
Administrator:4294967295:
krbtgt:4294967295:--dbdir=/var/lib/samba/ --realm=a.b
/etc/samba/smb.confnobody:99:Nobody

Any ideas? What information might help debug this?

Simon


Could this happen because pdbedit is from the samba3 install?

I recommend doing upgrade on a new box/virtual machine where no samba3 is installed, and copying the tdb files to the new box.

Regards

Geza Gemes
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