Samba4 loading schema.ldif

Gémes Géza geza at
Sun Apr 22 12:03:28 MDT 2012

> On 04/22/2012 10:33 AM, Matthieu Patou wrote:
>> On 04/22/2012 02:20 AM, Gémes Géza wrote:
>>> Hi Mat,
>>>> So I have patches that allow samba to not trash its schema when trying
>>>> to load this schema, I have also patches that makes the loading of
>>>> this schema almost ok, I still have an issue with the loading in just
>>>> 1 step the solution is to use a ldap URL as the ldap protocol doesn't
>>>> have a notion of transaction.
>>>> I also think that X-NDS_CONTAINMENT should be implemented in
>>>> olschema2ldif (as possSuperior I guess).
>>>> The main problem for you is that this schema has a name collision with
>>>> existing classes (dhcpclass and dhcpoptions).
>>>> So of course you can just rename the classes in your ldif file but
>>>> then I guess that the DHCP server won't work as expected. Another
>>>> solution is to defunct the two blocking classes but for the moment
>>>> it's not completely working in Samba.
>>>> The patches are at:
>>>> They wait for a small review but you can try them it should be pretty
>>>> safe.
>>> I've seen, that your patches were merged in master, however trying to
>>> load the attached ldif (generated with patched oLschema2ldif with
>>> X-NDS_CONTAINMENT mods) still waxes the schema.
>> Really ?
> I tried your schema update and for me it's ok the ldb database can be
> open after.
> Still there is a couple of issues like the fact that it fails on the
> mayContain for dhcpServices object, this is due to the fact that even
> if attributes have been added to the schema, the schema itself has not
> been reloaded, Samba like windows keeps a cached version of it in
> memory because schema construction is a costly task.
> Matthieu.

I've added it by stopping samba loading it with ldbadd -H
/path/to/schema/partition.  After samba restart schema is useless.

Do you suggest I would have to load it via ldap instead?


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