[Samba] Samba4 replication not working

L.P.H. van Belle belle at bazuin.nl
Fri Oct 14 13:05:15 UTC 2016


Hai, 

Can you download : 
http://downloads.van-belle.nl/samba4/samba-check-db-repl.sh 

only thing really needed is set the parameter. 
CONFIGURED="yes"

And tell what the output is. 



Greetz, 

Louis



> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens Ronny Forberger
> via samba
> Verzonden: vrijdag 14 oktober 2016 14:49
> Aan: samba at lists.samba.org
> Onderwerp: Re: [Samba] Samba4 replication not working
> 
> 
> 
> Am 13.10.2016 um 17:19 schrieb lingpanda101--- via samba:
> > On 10/13/2016 10:58 AM, Ronny Forberger wrote:
> >>
> >> Am 13.10.2016 um 16:54 schrieb lingpanda101 at gmail.com:
> >>> On 10/13/2016 10:37 AM, Ronny Forberger wrote:
> >>>> Am 13.10.2016 um 16:28 schrieb lingpanda101 at gmail.com:
> >>>>> On 10/13/2016 10:19 AM, Ronny Forberger wrote:
> >>>>>> Am 12.10.2016 um 20:17 schrieb lingpanda101--- via samba:
> >>>>>>> On 10/12/2016 1:57 PM, Ronny Forberger via samba wrote:
> >>>>>>>> Hi,
> >>>>>>>>
> >>>>>>>> I get the following error when I am trying to check the
> >>>>>>>> replication
> >>>>>>>> status of my samba4 dc:
> >>>>>>>>
> >>>>>>>> ERROR(<class 'samba.drs_utils.drsException'>): DRS connection to
> >>>>>>>> nidy.
> >>>>>>>> failed - drsException: DRS connection to nidy. failed:
> >>>>>>>> (-1073741772,
> >>>>>>>> 'The object name is not found.')
> >>>>>>>>       File
> >>>>>>>> "/usr/lib64/python2.7/site-packages/samba/netcmd/drs.py",
> >>>>>>>> line
> >>>>>>>> 39, in drsuapi_connect
> >>>>>>>>         (ctx.drsuapi, ctx.drsuapi_handle,
> >>>>>>>> ctx.bind_supported_extensions) =
> >>>>>>>> drs_utils.drsuapi_connect(ctx.server, ctx.lp, ctx.creds)
> >>>>>>>>       File
> >>>>>>>> "/usr/lib64/python2.7/site-packages/samba/drs_utils.py", line
> >>>>>>>> 54,
> >>>>>>>> in drsuapi_connect
> >>>>>>>>         raise drsException("DRS connection to %s failed: %s" %
> >>>>>>>> (server, e))
> >>>>>>>>
> >>>>>>>> What can be the cause?
> >>>>>>>>
> >>>>>>>> Best regards,
> >>>>>>>> Ronny Forberger
> >>>>>>>>
> >>>>>>> Is this a new DC?
> >>>>>>>
> >>>>>>> I would quickly check if you have a A and CNAME record for the DC.
> >>>>>>> Follow this link
> >>>>>>>
> https://wiki.samba.org/index.php/Verifying_and_Creating_a_DC_DNS_Record
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>> It's a new DC. I really had the CNAME missing, so I added it, but I
> >>>>>> still get the same above error.
> >>>>>> Any ideas?
> >>>>>>
> >>>>>> Regards,
> >>>>>> Ronny Forberger
> >>>>>>
> >>>>> After adding the record did you by chance restart the newly joined
> >>>>> DC?
> >>>>> Is the error the exact same error as before? Did you provision with
> >>>>> the internal dns or bind?
> >>>>>
> >>>> I did restart the DC. The error is the exact same. I provisioned with
> >>>> bind.
> >>>>
> >>>> Regards,
> >>>> Ronny
> >>>>
> >>> Did you check replication status from both DC's? If so, do they both
> >>> report the same error?
> >>>
> >>> Does DC1 point to itself for DNS or DC2(cat /etc/resolv.conf)? I would
> >>> initially have DC1 point to itself for DNS to verify replication is
> >>> working. Afterwards have each DC point to the other one first.
> >>>
> >>> Is bind running on both DC's(netstat -anp | grep ":53")?
> >> Does bind have to run on the second DC as well? I only run bind on 3
> >> other servers, resolving against them in each dc's resolv.conf.
> >>
> >> Regards,
> >> Ronny
> >>
> > Technically no.
> >
> > You will need someone else on the list to chime in to assist with your
> > setup however. With that being said I would verify that all the
> > pertinent records exists in whatever DNS server you plan to use and
> > it's authoritative for your zone.
> >
> Can anyone help me here?
> 
> Best regards,
> Ronny
> 
> --
> ___________________________________
> Ronny Forberger
> ronnyforberger at ronnyforberger.de
> PGP: http://www.ronnyforberger.de/pgp/email-encryption.html
> 
> 
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