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ash-samba at comtek.co.uk

2016-May-13 13:49 UTC

[Samba] Invalid data for index DN=@INDEX:OBJECTCLASS:DNSNODE

We have a Samba primary domain controller "empire", which seems to
have
DNS update issues. We can seem to query all records on empire just fine,
and we can modify IPs for existing records, but it will not delete or
add new records. Attempting to delete via the AD tools shows "Local
security authority database contains an internal inconsistency". Adding
a record on the command line shows:
> samba-tool  dns add empire chester-dc.example.com p-bats A 10.4.4.141
-U ash> Password for [CHESTER-DC\ash]:
> ERROR(runtime): uncaught exception - (1383,
'WERR_INTERNAL_DB_ERROR')
>   File
"/usr/lib/python2.7/dist-packages/samba/netcmd/__init__.py",
line 175, in _run>     return self.run(*args, **kwargs)
>   File "/usr/lib/python2.7/dist-packages/samba/netcmd/dns.py",
line
1067, in run>     0, server, zone, name, add_rec_buf, None)
We have two other DCs (hawaii and alaska), but we are reluctant to
switch to them, since they are located in another country, and have an
unreliable high latency link. The other two DCs accept DNS record
additions/deletions.

Our plan was to set up a 4th DC locally (v-ward), and ultimately make
that the primary server. Unfortunately, this results in:
>
> samba-tool domain join chester-dc.example.com DC -Uash
--realm=CHESTER-DC.EXAMPLE.COM> Finding a writeable DC for domain 'chester-dc.example.com'
> Found DC empire.chester-dc.example.com
> Password for [CHESTER-DC\ash]:
> workgroup is CHESTER-DC
> realm is chester-dc.example.com
> checking sAMAccountName
> Adding CN=V-WARD,OU=Domain Controllers,DC=chester-dc,DC=example,DC=com
> Adding
CN=V-WARD,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=chester-dc,DC=example,DC=com> Adding CN=NTDS
Settings,CN=V-WARD,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=chester-dc,DC=example,DC=com> Adding SPNs to CN=V-WARD,OU=Domain
Controllers,DC=chester-dc,DC=example,DC=com> Setting account password for V-WARD$
> Enabling account
> Calling bare provision
> No IPv6 address will be assigned
> Provision OK for domain DN DC=chester-dc,DC=example,DC=com
> Starting replication
> Schema-DN[CN=Schema,CN=Configuration,DC=chester-dc,DC=example,DC=com]
objects[402/1550] linked_values[0/0]> Schema-DN[CN=Schema,CN=Configuration,DC=chester-dc,DC=example,DC=com]
objects[804/1550] linked_values[0/0]> Schema-DN[CN=Schema,CN=Configuration,DC=chester-dc,DC=example,DC=com]
objects[1206/1550] linked_values[0/0]> Schema-DN[CN=Schema,CN=Configuration,DC=chester-dc,DC=example,DC=com]
objects[1550/1550] linked_values[0/0]> Analyze and apply schema objects
> Partition[CN=Configuration,DC=chester-dc,DC=example,DC=com]
objects[402/1634] linked_values[0/0]> Partition[CN=Configuration,DC=chester-dc,DC=example,DC=com]
objects[804/1634] linked_values[0/0]> Partition[CN=Configuration,DC=chester-dc,DC=example,DC=com]
objects[1206/1634] linked_values[0/0]> Partition[CN=Configuration,DC=chester-dc,DC=example,DC=com]
objects[1608/1634] linked_values[0/0]> Partition[CN=Configuration,DC=chester-dc,DC=example,DC=com]
objects[1634/1634] linked_values[53/0]> Replicating critical objects from the base DN of the domain
> Partition[DC=chester-dc,DC=example,DC=com] objects[100/100]
linked_values[39/0]> Partition[DC=chester-dc,DC=example,DC=com] objects[502/723]
linked_values[0/0]> Partition[DC=chester-dc,DC=example,DC=com] objects[823/723]
linked_values[988/0]> Done with always replicated NC (base, config, schema)
> Replicating DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com
> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[402/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[804/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[1206/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[1608/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[2010/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[2412/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[2814/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[3216/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[3618/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[4020/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[4422/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[4824/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[5226/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[5628/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[6030/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[6432/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[6834/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[7236/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[7638/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[8040/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[8442/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[8844/9093] linked_values[0/0]> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[9093/9093] linked_values[0/0]> Replicating DC=ForestDnsZones,DC=chester-dc,DC=example,DC=com
> Partition[DC=ForestDnsZones,DC=chester-dc,DC=example,DC=com]
objects[27/27] linked_values[0/0]> Partition[DC=ForestDnsZones,DC=chester-dc,DC=example,DC=com]
objects[54/27] linked_values[0/0]> Committing SAM database
> descriptor_modify: Could not find SD for
DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com>
> Join failed - cleaning up
> checking sAMAccountName
> Deleted CN=V-WARD,OU=Domain Controllers,DC=chester-dc,DC=example,DC=com
> Deleted CN=NTDS
Settings,CN=V-WARD,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=chester-dc,DC=example,DC=com> Deleted
CN=V-WARD,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=chester-dc,DC=example,DC=com> ERROR(ldb): uncaught exception - operations error at
../source4/dsdb/samdb/ldb_modules/descriptor.c:1147>   File
"/usr/lib/python2.7/dist-packages/samba/netcmd/__init__.py",
line 175, in _run>     return self.run(*args, **kwargs)
>   File "/usr/lib/python2.7/dist-packages/samba/netcmd/domain.py",
line 555, in run>     machinepass=machinepass, use_ntvfs=use_ntvfs,
dns_backend=dns_backend)>   File "/usr/lib/python2.7/dist-packages/
I have noticed that the the DNS ldb file is rather large (300M):
> total 347988
> -rw------- 1 root root  10383360 May 13 14:13
CN%3DCONFIGURATION,DC%3DCHESTER-DC,DC%3DEXAMPLE,DC%3DCOM.ldb> -rw------- 1 root root  10383360 May 13 14:13
CN%3DSCHEMA,CN%3DCONFIGURATION,DC%3DCHESTER-DC,DC%3DEXAMPLE,DC%3DCOM.ldb> -rw------- 1 root root  17158144 May 13 14:13
DC%3DCHESTER-DC,DC%3DEXAMPLE,DC%3DCOM.ldb> -rw------- 1 root root 313745408 May 13 14:13
DC%3DDOMAINDNSZONES,DC%3DCHESTER-DC,DC%3DEXAMPLE,DC%3DCOM.ldb> -rw------- 1 root root   4247552 May 13 14:13
DC%3DFORESTDNSZONES,DC%3DCHESTER-DC,DC%3DEXAMPLE,DC%3DCOM.ldb> -rw-r----- 1 root root    421888 May 13 14:09 metadata.tdb
Investigating further:
> 0 root at empire:~[0] /usr/bin/samba-tool drs replicateempire.chester-dc.example.com alaska.chester-dc.example.com
DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com --local
Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
objects[402/15688] linked_values[0/0]> Invalid data for index  DN=@INDEX:OBJECTCLASS:DNSNODE
>
> replmd_replicated_request renameDC=DEELR013\0ADEL:08ae6b71-9b11-4003-9daf-f2e2ed3a58be,CN=Deleted
Objects,DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com =>
DC=DEELR013\0ACNF:08ae6b71-9b11-4003-9daf-f2e2ed3a58be\0ADEL:08ae6b71-9b11-4003-9daf-f2e2ed3a58be,CN=Deleted
Objects,DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com failed -
ldb_wait: > Operations error (1)>
> Failed to apply records: ldb_wait: Operations error (1): Other
> Failed to commit objects: WERR_GENERAL_FAILURE
> ERROR(<type 'exceptions.TypeError'>): Error replicating DNDC=DomainDnsZones,DC=chester-dc,DC=example,DC=com - Failed to process
chunk: NT_STATUS_UNSUCCESSFUL>   File "/usr/lib/python2.7/dist-packages/samba/netcmd/drs.py",
line
269, in drs_local_replicate>     repl.replicate(NC, source_dsa_invocation_id, destination_dsa_guid)
>   File "/usr/lib/python2.7/dist-packages/samba/drs_utils.py",
line
256, in replicate>     schema=schema, req_level=req_level, req=req)
This pointed us at the DEELR013 record, so, I tried:
> 0 root at empire:~[0] ldbdel -H/var/lib/samba/private/sam.ldb.d/DC%3DDOMAINDNSZONES,DC%3DCHESTER-DC,DC%3DEXAMPLE,DC%3DCOM.ldb
DC=DEELR013,DC=chester-dc.example.com,CN=MicrosoftDNS,DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com> Invalid data for index  DN=@INDEX:OBJECTCLASS:DNSNODE
>
> delete of'DC=DEELR013,DC=chester-dc.example.com,CN=MicrosoftDNS,DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com'
failed - (Operations error) ldb_wait: Operations error
(1)>
Finally, stumbling around blindly I ran tdbbackup on the DOMAINDNSZONES
ldb file (which shrunk a few megabytes - no errors though), and I
managed to ldbedit and delete the file index, then it allowed me to
ldbdel. I Copied the newly modified file on top of the original one,
restarted Samba, and at that point I realised that the file was now over
700mb. Samba had hung and stopped accepting connections (I couldn't even
get a share list with smbclient). Unfortunately I can't give accurate
detail about this paragraph, because I rolled back to last night's LXC
snapshot.

Can anybody please give us advice on how to proceed from here?
> 0 root at empire:~[0] samba-tool -V
> 4.1.11-Debian
> 0 root at empire:~[0] dpkg -s samba |grep ^Ver
> Version: 2:4.1.11+dfsg-1
> 0 root at empire:~[0] uname -a
> Linux empire 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt25-2 (2016-04-08)x86_64 GNU/Linux


-- 
/---------------------------------------------------------------------\
|Ashley Griffiths                     Phone: +44 (0)1244 280 390      |
|IT manager                           Web:http://www.comtek.co.uk/  |
|Comtek Group                                                         |
\---------------------------------------------------------------------/

Rowland penny

2016-May-13 14:41 UTC

head link

[Samba] Invalid data for index DN=@INDEX:OBJECTCLASS:DNSNODE

On 13/05/16 14:49, ash-samba at comtek.co.uk wrote:>
> We have a Samba primary domain controller "empire", which seems
to have
> DNS update issues. We can seem to query all records on empire just fine,
> and we can modify IPs for existing records, but it will not delete or
> add new records. Attempting to delete via the AD tools shows "Local
> security authority database contains an internal inconsistency".
Adding
> a record on the command line shows:
>
>> samba-tool  dns add empire chester-dc.example.com p-bats A 10.4.4.141
> -U ash
>> Password for [CHESTER-DC\ash]:
>> ERROR(runtime): uncaught exception - (1383,
'WERR_INTERNAL_DB_ERROR')
>>   File
"/usr/lib/python2.7/dist-packages/samba/netcmd/__init__.py",
> line 175, in _run
>>     return self.run(*args, **kwargs)
>>   File
"/usr/lib/python2.7/dist-packages/samba/netcmd/dns.py", line
> 1067, in run
>>     0, server, zone, name, add_rec_buf, None)
>
> We have two other DCs (hawaii and alaska), but we are reluctant to
> switch to them, since they are located in another country, and have an
> unreliable high latency link. The other two DCs accept DNS record
> additions/deletions.
>
> Our plan was to set up a 4th DC locally (v-ward), and ultimately make
> that the primary server. Unfortunately, this results in:
>
>>
>> samba-tool domain join chester-dc.example.com DC -Uash
> --realm=CHESTER-DC.EXAMPLE.COM
>> Finding a writeable DC for domain 'chester-dc.example.com'
>> Found DC empire.chester-dc.example.com
>> Password for [CHESTER-DC\ash]:
>> workgroup is CHESTER-DC
>> realm is chester-dc.example.com
>> checking sAMAccountName
>> Adding CN=V-WARD,OU=Domain Controllers,DC=chester-dc,DC=example,DC=com
>> Adding
>
CN=V-WARD,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=chester-dc,DC=example,DC=com
>
>> Adding CN=NTDS
>
Settings,CN=V-WARD,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=chester-dc,DC=example,DC=com
>
>> Adding SPNs to CN=V-WARD,OU=Domain
> Controllers,DC=chester-dc,DC=example,DC=com
>> Setting account password for V-WARD$
>> Enabling account
>> Calling bare provision
>> No IPv6 address will be assigned
>> Provision OK for domain DN DC=chester-dc,DC=example,DC=com
>> Starting replication
>> Schema-DN[CN=Schema,CN=Configuration,DC=chester-dc,DC=example,DC=com]
> objects[402/1550] linked_values[0/0]
>> Schema-DN[CN=Schema,CN=Configuration,DC=chester-dc,DC=example,DC=com]
> objects[804/1550] linked_values[0/0]
>> Schema-DN[CN=Schema,CN=Configuration,DC=chester-dc,DC=example,DC=com]
> objects[1206/1550] linked_values[0/0]
>> Schema-DN[CN=Schema,CN=Configuration,DC=chester-dc,DC=example,DC=com]
> objects[1550/1550] linked_values[0/0]
>> Analyze and apply schema objects
>> Partition[CN=Configuration,DC=chester-dc,DC=example,DC=com]
> objects[402/1634] linked_values[0/0]
>> Partition[CN=Configuration,DC=chester-dc,DC=example,DC=com]
> objects[804/1634] linked_values[0/0]
>> Partition[CN=Configuration,DC=chester-dc,DC=example,DC=com]
> objects[1206/1634] linked_values[0/0]
>> Partition[CN=Configuration,DC=chester-dc,DC=example,DC=com]
> objects[1608/1634] linked_values[0/0]
>> Partition[CN=Configuration,DC=chester-dc,DC=example,DC=com]
> objects[1634/1634] linked_values[53/0]
>> Replicating critical objects from the base DN of the domain
>> Partition[DC=chester-dc,DC=example,DC=com] objects[100/100]
> linked_values[39/0]
>> Partition[DC=chester-dc,DC=example,DC=com] objects[502/723]
> linked_values[0/0]
>> Partition[DC=chester-dc,DC=example,DC=com] objects[823/723]
> linked_values[988/0]
>> Done with always replicated NC (base, config, schema)
>> Replicating DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[402/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[804/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[1206/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[1608/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[2010/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[2412/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[2814/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[3216/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[3618/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[4020/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[4422/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[4824/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[5226/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[5628/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[6030/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[6432/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[6834/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[7236/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[7638/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[8040/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[8442/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[8844/9093] linked_values[0/0]
>> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[9093/9093] linked_values[0/0]
>> Replicating DC=ForestDnsZones,DC=chester-dc,DC=example,DC=com
>> Partition[DC=ForestDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[27/27] linked_values[0/0]
>> Partition[DC=ForestDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[54/27] linked_values[0/0]
>> Committing SAM database
>> descriptor_modify: Could not find SD for
> DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com
>>
>> Join failed - cleaning up
>> checking sAMAccountName
>> Deleted CN=V-WARD,OU=Domain Controllers,DC=chester-dc,DC=example,DC=com
>> Deleted CN=NTDS
>
Settings,CN=V-WARD,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=chester-dc,DC=example,DC=com
>
>> Deleted
>
CN=V-WARD,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=chester-dc,DC=example,DC=com
>
>> ERROR(ldb): uncaught exception - operations error at
> ../source4/dsdb/samdb/ldb_modules/descriptor.c:1147
>>   File
"/usr/lib/python2.7/dist-packages/samba/netcmd/__init__.py",
> line 175, in _run
>>     return self.run(*args, **kwargs)
>>   File
"/usr/lib/python2.7/dist-packages/samba/netcmd/domain.py",
> line 555, in run
>>     machinepass=machinepass, use_ntvfs=use_ntvfs,
> dns_backend=dns_backend)
>>   File "/usr/lib/python2.7/dist-packages/
>
> I have noticed that the the DNS ldb file is rather large (300M):
>
>> total 347988
>> -rw------- 1 root root  10383360 May 13 14:13
> CN%3DCONFIGURATION,DC%3DCHESTER-DC,DC%3DEXAMPLE,DC%3DCOM.ldb
>> -rw------- 1 root root  10383360 May 13 14:13
> CN%3DSCHEMA,CN%3DCONFIGURATION,DC%3DCHESTER-DC,DC%3DEXAMPLE,DC%3DCOM.ldb
>> -rw------- 1 root root  17158144 May 13 14:13
> DC%3DCHESTER-DC,DC%3DEXAMPLE,DC%3DCOM.ldb
>> -rw------- 1 root root 313745408 May 13 14:13
> DC%3DDOMAINDNSZONES,DC%3DCHESTER-DC,DC%3DEXAMPLE,DC%3DCOM.ldb
>> -rw------- 1 root root   4247552 May 13 14:13
> DC%3DFORESTDNSZONES,DC%3DCHESTER-DC,DC%3DEXAMPLE,DC%3DCOM.ldb
>> -rw-r----- 1 root root    421888 May 13 14:09 metadata.tdb
>
> Investigating further:
>
>> 0 root at empire:~[0] /usr/bin/samba-tool drs replicate
> empire.chester-dc.example.com alaska.chester-dc.example.com
> DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com --local
> Partition[DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com]
> objects[402/15688] linked_values[0/0]
>> Invalid data for index DN=@INDEX:OBJECTCLASS:DNSNODE
>>
>> replmd_replicated_request rename
> DC=DEELR013\0ADEL:08ae6b71-9b11-4003-9daf-f2e2ed3a58be,CN=Deleted
> Objects,DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com =>
>
DC=DEELR013\0ACNF:08ae6b71-9b11-4003-9daf-f2e2ed3a58be\0ADEL:08ae6b71-9b11-4003-9daf-f2e2ed3a58be,CN=Deleted
>
> Objects,DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com failed -
> ldb_wait: > Operations error (1)
>>
>> Failed to apply records: ldb_wait: Operations error (1): Other
>> Failed to commit objects: WERR_GENERAL_FAILURE
>> ERROR(<type 'exceptions.TypeError'>): Error replicating
DN
> DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com - Failed to process
> chunk: NT_STATUS_UNSUCCESSFUL
>>   File
"/usr/lib/python2.7/dist-packages/samba/netcmd/drs.py", line
> 269, in drs_local_replicate
>>     repl.replicate(NC, source_dsa_invocation_id, destination_dsa_guid)
>>   File "/usr/lib/python2.7/dist-packages/samba/drs_utils.py",
line
> 256, in replicate
>>     schema=schema, req_level=req_level, req=req)
>
> This pointed us at the DEELR013 record, so, I tried:
>
>> 0 root at empire:~[0] ldbdel -H
>
/var/lib/samba/private/sam.ldb.d/DC%3DDOMAINDNSZONES,DC%3DCHESTER-DC,DC%3DEXAMPLE,DC%3DCOM.ldb
>
>
DC=DEELR013,DC=chester-dc.example.com,CN=MicrosoftDNS,DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com
>
>> Invalid data for index DN=@INDEX:OBJECTCLASS:DNSNODE
>>
>> delete of
>
'DC=DEELR013,DC=chester-dc.example.com,CN=MicrosoftDNS,DC=DomainDnsZones,DC=chester-dc,DC=example,DC=com'
>
> failed - (Operations error) ldb_wait: Operations error (1)
>>
>
> Finally, stumbling around blindly I ran tdbbackup on the DOMAINDNSZONES
> ldb file (which shrunk a few megabytes - no errors though), and I
> managed to ldbedit and delete the file index, then it allowed me to
> ldbdel. I Copied the newly modified file on top of the original one,
> restarted Samba, and at that point I realised that the file was now over
> 700mb. Samba had hung and stopped accepting connections (I couldn't
even
> get a share list with smbclient). Unfortunately I can't give accurate
> detail about this paragraph, because I rolled back to last night's LXC
> snapshot.
>
> Can anybody please give us advice on how to proceed from here?
>
>> 0 root at empire:~[0] samba-tool -V
>> 4.1.11-Debian
>> 0 root at empire:~[0] dpkg -s samba |grep ^Ver
>> Version: 2:4.1.11+dfsg-1
>> 0 root at empire:~[0] uname -a
>> Linux empire 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt25-2 (2016-04-08)
> x86_64 GNU/Linux
>
>
First things first, is there anyway you can update Samba ?
The 4.1.X series is now EOL and wasn't patched for badlock, depending on 
what version of debian you are running, you should be able to upgrade 
easily.

Please do not alter the ldb under sam.ldb.d directly, only modify the 
sam.ldb file (this contains everything in sam.ldb.d)

With AD, there is no such thing as a primary domain controller, all DCs 
are equal, the only difference is in which DC has the FSMO roles and 
these do not need to be all on the same DC. I mention this because it 
can get confusing when/if somebody asks a question about an NT-style PDC 
problem.

Your domain zone growing in size is probably down to tombstone objects, 
try searching on 'samba tombstone' for help on this.

Have you tried running 'samba-tool dbcheck' ??

Rowland

Andrew Bartlett

2016-May-14 10:01 UTC

head link

[Samba] Invalid data for index DN=@INDEX:OBJECTCLASS:DNSNODE

On Fri, 2016-05-13 at 14:49 +0100, ash-samba at comtek.co.uk
wrote:> We have a Samba primary domain controller "empire", which seems
to
> have
> DNS update issues. We can seem to query all records on empire just
> fine,
> and we can modify IPs for existing records, but it will not delete or
> add new records. Attempting to delete via the AD tools shows "Local
> security authority database contains an internal inconsistency".
> Adding
> a record on the command line shows:
> This pointed us at the DEELR013 record, so, I tried:
> 
> > 0 root at empire:~[0] ldbdel -H
> /var/lib/samba/private/sam.ldb.d/DC%3DDOMAINDNSZONES,DC%3DCHESTER
> -DC,DC%3DEXAMPLE,DC%3DCOM.ldb
> DC=DEELR013,DC=chester
> -dc.example.com,CN=MicrosoftDNS,DC=DomainDnsZones,DC=chester
> -dc,DC=example,DC=com
> > Invalid data for index  DN=@INDEX:OBJECTCLASS:DNSNODE
> > 
> > delete of
> 'DC=DEELR013,DC=chester
> -dc.example.com,CN=MicrosoftDNS,DC=DomainDnsZones,DC=chester
> -dc,DC=example,DC=com'
> failed - (Operations error) ldb_wait: Operations error (1)
> > 
> 
> Finally, stumbling around blindly I ran tdbbackup on the
> DOMAINDNSZONES
> ldb file (which shrunk a few megabytes - no errors though), and I
> managed to ldbedit and delete the file index, then it allowed me to
> ldbdel. I Copied the newly modified file on top of the original one,
> restarted Samba, and at that point I realised that the file was now
> over
> 700mb. Samba had hung and stopped accepting connections (I couldn't
> even
> get a share list with smbclient). Unfortunately I can't give accurate
> detail about this paragraph, because I rolled back to last night's
> LXC
> snapshot.
> 
> Can anybody please give us advice on how to proceed from here?
This certainly sounds stressful.

Another way to (on a backup, particularly given your history above) remove the
index is with samba-tool dbcheck --reindex.

The missing ntSecurityDescriptor is a curious issue.  Can you check if
it or the whole record is really missing?  I'm guessing it is another
index issue, stopping us finding the record rather than the record not
being there.  Look over an ldbdump of the backend DB in sam.ldb.d/ if
you have to, to confirm that.
Andrew Bartlett

-- 
Andrew Bartlett                       http://samba.org/~abartlet/
Authentication Developer, Samba Team  http://samba.org
Samba Developer, Catalyst IT          http://catalyst.net.nz/services/samba

ash-samba at comtek.co.uk

2016-May-16 15:15 UTC

head link

[Samba] Invalid data for index DN=@INDEX:OBJECTCLASS:DNSNODE

> This certainly sounds stressful.
Yes!> Another way to (on a backup, particularly given your history above) remove
the index is with samba-tool dbcheck --reindex.Re-indexing...
completed re-index OK

0 root at empire:~[0] samba-tool  dns add empire chester-dc.example.com 
p-cats A 10.4.4.142  -U ash
Password for [CHESTER-DC\ash]:
Record added successfully

Thanks!
> The missing ntSecurityDescriptor is a curious issue.  Can you check if
> it or the whole record is really missing?  I'm guessing it is another
> index issue, stopping us finding the record rather than the record not
> being there.  Look over an ldbdump of the backend DB in sam.ldb.d/ if
> you have to, to confirm that.
> Andrew BartlettI haven't actually got ldbdump on the machine, and I can't see it in the
Debian packages. That said, I do appear to be able to add DNS records 
now, so I'm assuming it was the index. If you particularly want me to 
find out then I'll try to get a dump, but as long as its working I'm 
happy to leave it be!

Ash

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