Need urgent help with samba4 DC re-join

Andreas Oster aoster at novanetwork.de
Wed Aug 1 07:34:10 MDT 2012


Am 01.08.2012 15:28, schrieb Andrew Bartlett:
> On Wed, 2012-08-01 at 13:30 +0200, Andreas Oster wrote:
>> Am 18.07.2012 08:03, schrieb Andrew Bartlett:
>>> On Wed, 2012-07-18 at 07:10 +0200, Andreas Oster wrote:
>>>
>>>> Hello Andrew,
>>>>
>>>> unfortunately dbcheck did not work. The following error messages showed up:
>>>>
>>>> ERROR: wrong instanceType 11 on DC=DomainDnsZones,DC=novanetwork,DC=loc,
>>>> should be 13
>>>> ERROR(<type 'exceptions.AttributeError'>): uncaught exception -
>>>> 'dbcheck' object has no attribute 'modify_instancetype'
>>>>   File
>>>
>>> Thanks.  I've updated my branch with what I hope will be a fix.  This
>>> time I've modified a local DB to replicate your error condition, and
>>> confirmed it all works.
>>>
>>> However, it will only allow the instanceType to be changed, the
>>> objectClass can't be fixed yet.  But if you can confirm what I have so
>>> far works for you, I'll see what I can do about the rest.
>>>
>>> Thanks,
>>>
>>> Andrew Bartlett
>>>
>> Hello Andrew,
>>
>> any news regarding adding some code to dbcheck to fix the objectClass
>> issue in my samba4 setup ?
>>
>> Thank you very much.
> 
> You have been incredibly patient over the past more than a month on this
> issue.  I've not had a chance to look into this properly.  
> 
> As to getting your specific database out of this specific situation,
> this might work (on a backup!):
> 
> Run (change for your domain):
> 
>  ldbedit -H
> private/sam.ldb.d/DC=DOMAINDNSZONES,DC=SAMBA,DC=EXAMPLE,DC=COM.ldb -s
> base -b DC=DomainDnsZones,DC=samba,DC=example,DC=com
> 
> Change the object to have:
> dn: DC=DomainDnsZones,DC=samba,DC=example,DC=com
> objectClass: top
> objectClass: domain
> objectClass: domainDNS
> description: Microsoft DNS Directory
> instanceType: 13
> 
> Then run:
> 
>  samba-tool dbcheck -H private/sam.ldb --cross-ncs --reindex
>  samba-tool dbcheck -H private/sam.ldb --cross-ncs
> 
> This will ensure the indexes and replPropertyMetaData is updated after
> this generally NOT RECOMMENDED action of editing the raw database.
> 
> Andrew Bartlett
> 
Hello Andrew,

I know that you are a very busy man. I really did not mean to be pushy.

I will try the proposed steps and report back.

Thank you for your kind help

best regards

Andreas



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