upgradeprovision alpha17 to alpha18: dbcheck errors
obnox at samba.org
Mon Mar 26 16:27:14 MDT 2012
Andrew Bartlett wrote:
> On Wed, 2012-03-21 at 10:22 +0100, Michael Adam wrote:
> > Andrew Bartlett wrote:
> > > - upgradeprovision should not be run when upgrading to this release
> > > from a recent release. No important database format changes have
> > > been made since alpha16.
> > But wouldn't it be good to make upgradeprovision idempotent?
> > It should not harm to run it (again), imho.
> It would be great if that were the case, but it simply isn't what
> upgradeprovision was designed to do. Internally, for --full, a full new
> provision is generated, and each new object gains a new unique GUID etc.
> Some key objects are constrained, and that's why it works, but it is a
> very different approach to dbcheck, which was written to be idempotent.
> The default upgradeprovision mode is however more like dbcheck,
> attempting to primarilly fix known issues around ACLs (as I understand
> it). (Mathieu can explain more)
> Both tools have their place in Samba, and without upgradeprovision, it
> would be impossible for the older databases to move to a modern Samba.
> And if we have the need to again make major changes our provision
> template again (unlikely as we have used ldapcmp to verify it), then it
> will be absolutely key to allowing that to happen.
> Does this explain thing better?
Yes, it does!
Thanks - Michael
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