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RE: [K12OSN] HELP: can there be two samba servers in one domain?



You only have one PCD
The second machine is configured as a menbour server or a BDC
This is the same as a windows NT setup
The second server can be joined to the domain (SAMBA permissions will be shared but no unix permissions)
OR Use LDAP for combined Unix Samba permissions from a common back end.

-----Original Message-----
From: k12osn-bounces redhat com [mailto:k12osn-bounces redhat com]On Behalf Of Mark Gumprecht
Sent: 13 December 2005 11:46
To: Support list for opensource software in schools.
Subject: Re: [K12OSN] HELP: can there be two samba servers in one domain?

That's the can of worms I opened. I started what I thought was going to be a simple task, and ended up replacing my win2k domaincontroller. It is a 1024 subnet and 700 + users and did it 2 weeks before school started. Sweat pumps were in high speed. I must say that my problems have been fewer and log in times greatly reduced. I checked into fds then but just couldn't seem to grasp it. I tried all the windows to linux authing and storage, could get the authing easy enough, but the storage thing just didn't come, over my head at this point, maybe next year I will understand it better. Nothing ventured, nothing gained.....of course, many a rabbit don't make it across the road.
Mark

john wrote:
say that Thanks Mark,

I am sort of amazed the more I look into this. As far as I can tell,
Multiple boxes running Samba really don't have a native way to share a
single backend via AD.  
Look for LDAP AD is a MS LDAP copy    
 I'd love to be wrong about this. I am sort of
thinking out loud here, perhaps it will help me or someone else who
has this problem in the future.

I am not able to move to OpenLdap since the scope of this project =!
complete network paradigm shift at this time. The newly released FC4
Directory Server http://directory.fedora.redhat.com/wiki/Main_Page
which could be a substitute for AD someday seems too green to me. 
Directory has a long history as a Netscape project it is not green 

The more I look into trying to have more than a single Samba box share
credentials with AD it looks like I have to do one of the following,
all of which seem to have _way_ too many moving parts to be reliable.

1) Hack Samba (this is beyond my meager skillset, I assume if it were
obvious someone would have scratched this itch by now)
http://www.linux-faqs.com//HOWTO/Samba-HOWTO-Collection/cfgsmarts.php

2) use someone else's hack by way of a seemingly moribund project on
Source Forge http://groups.google.com/group/linux.samba/browse_thread/thread/e9d0a4caedd67473/40b697830a6dce06?lnk=st&q=multiple+samba+ads&rnum=10&hl=en#40b697830a6dce06
following directions from here: http://www.securityfocus.com/infocus/1563

3)Or use MS Unix tools
http://www.microsoft.com/windowsserversystem/sfu/downloads/default.mspx
using these directions http://www.oo-services.com/en/articles/sso.html

Frankly, this seems like WAY to much work, just to spread a little
storage around. I'll keep looking into this, and would love to have
someone set me straight, and tell me (in an easy to follow step by
step manner :-)   )how easy this project really is.
If correcly configured you can just join windows devices to the domain 

John


On 12/12/05, Mark Gumprecht <gumprechtm msad3 org> wrote:
  
John I'm no pro and ran out of time with the beginning of school to get
mine in so....net getlocalsid will pull up the local domain sid. Man net
will give you some other commands like setlocalsid, not much, but HTH
Mark

john wrote:

    
Hi all,
I need some advice and I hope folks here can help. I have set up
k12ltsp to provide single sign on and file storage for users in
Windows Domain which uses ADS. However instead of storing the files
locally on the k12ltsp box, I would like to have my file storage on a
separate Samba file server (and in the future several Samba servers).
So basically multiple Samba installations using ADS and all using the
same SID==>GID/UID mapping.

So here's the scenerio:

Linux box A is running FC4 , Samba and NFS. This box exports /home via
NFS to Linux Box B running K12LTSP and Winbind. I have single sign
(for windows and terminal clients)  via winbind working on box B.

Problem: I need someway to keep SID ==> GID/UID mapping consistent
      
>from box to box, if I run two version of winbind, mappings will be out
    
of sync. I THINK i need to create a unified IDMAP and point box A to
it. I've been looking at IDMap_RID here
http://tr.samba.org/samba/docs/man/Samba-HOWTO-Collection/idmapper.html#id2567740
but I am not sure that this is even in the ball park.

Also, some folks seem to believe the only way to accomplish this is
with a Unix snap in for AD.

I could really use some help on this!

TIA,

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--
Mark Gumprecht
Data Systems Specialist
MSAD3
Unity, ME
gumprechtm msad3 org

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_______________________________________________
K12OSN mailing list
K12OSN redhat com
https://www.redhat.com/mailman/listinfo/k12osn
For more info see <http://www.k12os.org>

  

-- 
Mark Gumprecht
Data Systems Specialist
MSAD3
Unity, ME
gumprechtm msad3 org

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