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Re: [Samba] samba 4 joining samba 3 pdc - group mismatch




On Wed, 2 May 2018 17:12:30 -0300
"Ethy H. Brito via samba" <samba@xxxxxxxxxxxxxxx> wrote:

> 
> Hi all
> 
> Background: I am not a samba expert, not even close!
> 
> I have a ancient samba 3 (Server role: ROLE_DOMAIN_PDC) and I intend
> to migrate all files to a samba 4 (Server role: ROLE_DOMAIN_MEMBER)
> 
> Users will stay in S3 for now.
> 
> Samba 4 joined samba 3 with no problems.
> I rsync'ed all files and its permissions (rsync -a ...).
> 
> But...
> I cannot find a way that makes S4 sees S3 users and groups in a
> "ordered" manner.
> 
> "id some_user" returns "almost" valid data for some users and 
> "id: ‘some_user’: no such user" for others.
> I say "almost" because not all groups for all users are returned.
> 
> Example:
> 	S4# id jgarcia
> 	uid=10000(jgarcia) gid=100513(none) \
> 	groups=100513(none),101094(5p6l3d1$),101119(jgomes-pc$),
> 	10001(BUILTIN\users)
> 
> jgarcia id should be 101016 (100000 + 1016), and there are missing
> groups
> 
> 	S3# id jgarcia
> 	uid=1016(jgarcia) gid=1094(jgarcia)\
> 	groups=1094(jgarcia),1000(G00),2009(G01),3011(G02),1119(G03)
> 
> 
> For groups is about the same.
> for instance: 
> 	S4# wbinfo --gid-info 100513
> 	none:x:100513:
> 	S4# wbinfo -G 100513
> 	S-1-5-21-XXXXXXXXXX-XXXXXXXXXX-XXXXXXXXXX-513
> 
> Where did this group "513" come from ?? "Domain Users" ?? 
> If so, why the group name does not come along ??
> 
> What smb.conf options should I care so that S4 sees S3 users and
> groups like S4[ug]id=S3[ug]id+100000 ??
> "idmap config" seams not to be effective.
> 
> Is there any options in S3 that I should also change??
> 
> How do I make S4 "forget" everything it learned so far about uids and
> gids from S3 so I can start fresh??
> 
> 
> Cheers
> 
> Ethy
> 

I think you are going to have to give us a bit more info, smb.conf from
the S3 PDC and the S4 machine, for a start.

Rowland

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