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Re: (ITS#5534) Samba4 needs internal transactions/consistancy

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On Tue, 2008-05-27 at 18:43 -0700, Howard Chu wrote:
> Andrew Bartlett wrote:
> > On Tue, 2008-05-27 at 18:22 -0700, Howard Chu wrote:
> >>> This needs to occur even between databases on the server, but I won't=
 ask that
> >>> it occur outside the known trees.
> >> It's already possible for operations in one database to reference entr=
ies in a
> >> different database, so that aspect of validation should be fine. Howev=
er, as
> >> noted before, "validation" is generally bogus to begin with. In partic=
> >> how do you create entries with circular references? If you disallow re=
> >> to nonexistent entries, you can't set the references until after all o=
f the
> >> entries have been created. This means that you cannot backup a databas=
e that
> >> has these references and then later reload it in a single pass.
> >
> > An interesting point, but I need to match the windows runtime
> > behaviour.
> Only when it has a visible impact on other clients. What software will br=
> if the directory allows you to add new entries that contain dangling=20
> references? What will break if the directory allows you to modify a refer=
> attribute to point to a nonexistent entry?

Sure, I'm not asking for a change to default behaviours.  I'm listing
the things that our testsuite finds are differences, and looking for

> There's a lot of Windows behavior that is clearly wrong, by any number of=
> metrics. You need to be a bit more selective in prioritizing the list of=20
> things to chase down.

This is the currently the top priority for an LDAP Backend for Samba4. =20

Andrew Bartlett

Andrew Bartlett
Authentication Developer, Samba Team           http://samba.org
Samba Developer, Red Hat Inc.

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