[Samba] domain backup online

[Joachim Lindenberg]

Afaik one is not supposed to ever restore a DC in case you are running multiple. Thus I am wondering why you want to do (online or not) backups at all.
Or did that rule change?
Regards, Joachim

-----Ursprüngliche Nachricht-----
Von: samba <samba-bounces at lists.samba.org> Im Auftrag von Ivan Jurišic via samba
Gesendet: Wednesday, 17 July 2019 13:39
An: samba at lists.samba.org
Betreff: [Samba] domain backup online

On my primary Samba AD DC server all work ok when doing online backup, but on my secudary server I have error:

ERROR(<type 'exceptions.IndexError'>): uncaught exception - list index out of range
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/__init__.py", line 177, in _run
    return self.run(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/domain_backup.py",
line 237, in run
    new_sid = get_sid_for_restore(remote_sam)
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/domain_backup.py",
line 73, in get_sid_for_restore
    rid = int(res[0].get('rIDNextRID')[0])


How to fix?

Complete output:

root at dc2:/var/log# samba-tool domain backup online --server=dc2.intra.mydomain.com --targetdir=/media/backup -Uadministrator at intra.mydomain.com
workgroup is MYDOMAIN
realm is intra.mydomain.com
Calling bare provision
Looking up IPv4 addresses
Looking up IPv6 addresses
No IPv6 address will be assigned
Setting up share.ldb
Setting up secrets.ldb
Setting up the registry
Setting up the privileges database
Setting up idmap db
Setting up SAM db
Setting up sam.ldb partitions and settings Setting up sam.ldb rootDSE Pre-loading the Samba 4 and AD schema Unable to determine the DomainSID, can not enforce uniqueness constraint on local domainSIDs

A Kerberos configuration suitable for Samba AD has been generated at /media/backup/tmphyBvX0/private/krb5.conf
Merge the contents of this file with your system krb5.conf or replace it with this one. Do not create a symlink!
Provision OK for domain DN DC=intra,DC=mydomain,DC=com Starting replication Using DS_BIND_GUID_W2K3 Schema-DN[CN=Schema,CN=Configuration,DC=intra,DC=mydomain,DC=com]
objects[402/1550] linked_values[0/0]
Schema-DN[CN=Schema,CN=Configuration,DC=intra,DC=mydomain,DC=com]
objects[804/1550] linked_values[0/0]
Schema-DN[CN=Schema,CN=Configuration,DC=intra,DC=mydomain,DC=com]
objects[1206/1550] linked_values[0/0]
Schema-DN[CN=Schema,CN=Configuration,DC=intra,DC=mydomain,DC=com]
objects[1550/1550] linked_values[0/0]
Analyze and apply schema objects
Partition[CN=Configuration,DC=intra,DC=mydomain,DC=com]
objects[402/1618] linked_values[0/0]
Partition[CN=Configuration,DC=intra,DC=mydomain,DC=com]
objects[804/1618] linked_values[0/0]
Partition[CN=Configuration,DC=intra,DC=mydomain,DC=com]
objects[1206/1618] linked_values[0/0]
Partition[CN=Configuration,DC=intra,DC=mydomain,DC=com]
objects[1608/1618] linked_values[0/0]
Partition[CN=Configuration,DC=intra,DC=mydomain,DC=com]
objects[1618/1618] linked_values[30/30]
Replicating critical objects from the base DN of the domain Partition[DC=intra,DC=mydomain,DC=com] objects[98/98] linked_values[24/24] Partition[DC=intra,DC=mydomain,DC=com] objects[385/287] linked_values[28/28] Done with always replicated NC (base, config, schema) Replicating DC=DomainDnsZones,DC=intra,DC=mydomain,DC=com
Partition[DC=DomainDnsZones,DC=intra,DC=mydomain,DC=com] objects[42/42] linked_values[0/0] Replicating DC=ForestDnsZones,DC=intra,DC=mydomain,DC=com
Partition[DC=ForestDnsZones,DC=intra,DC=mydomain,DC=com] objects[19/19] linked_values[0/0] Committing SAM database Setting isSynccomonized and dsServiceName Cloned domain MYDOMAIN (SID S-1-5-21-1643297388-1269305111-252802184)
ERROR(<type 'exceptions.IndexError'>): uncaught exception - list index out of range
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/__init__.py", line 177, in _run
    return self.run(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/domain_backup.py",
line 237, in run
    new_sid = get_sid_for_restore(remote_sam)
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/domain_backup.py",
line 73, in get_sid_for_restore
    rid = int(res[0].get('rIDNextRID')[0])

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