upgrade to Samba 4.0 alpha 17

[Andrew Bartlett]

On Wed, 2011-09-21 at 06:19 +0100, Sam Liddicott wrote:
> On Sat, Sep 17, 2011 at 11:57 AM, Andrew Bartlett <abartlet at samba.org>wrote:
> 
> > On Thu, 2011-09-15 at 10:34 +0100, Sam Liddicott wrote:
> > > On Tue, Sep 13, 2011 at 6:16 AM, Andrew Bartlett <abartlet at samba.org>
> > wrote:
> > > ...
> > >
> > > >
> > > > After upgrading Samba, it is suggested that you do the following:
> > > >
> > > >  - stop samba
> > > >  - take a backup copy of your sam.ldb and sam.ldb.d/* database files
> > > >  - run samba-tool dbcheck --cross-ncs --fix
> > > >  - use 'all' to say yes to fixing each type of error found
> > > >  - after it has finished, run dbcheck again to ensure it reports no
> > > >    errors
> > > >
> > > >
> > > After upgrading to samba4 a17, when I run the upgrade command:
> > >
> > > # samba-tool dbcheck --cross-ncs --fix
> > >
> > > it shows:
> > >
> > > WARNING: Module [kludge_acl] not found - do you need to set
> > > LDB_MODULES_PATH?
> > > Unable to load modules for tdb:///var/lib/samba/private/sam.ldb: (null)
> > > ERROR(ldb): uncaught exception - None
> > >   File "/usr/lib/python2.6/site-packages/samba/netcmd/__init__.py", line
> > > 145, in _run
> > >     return self.run(*args, **kwargs)
> > >   File "/usr/lib/python2.6/site-packages/samba/netcmd/dbcheck.py", line
> > 72,
> > > in run
> > >     credentials=creds, lp=lp)
> > >   File "/usr/lib/python2.6/site-packages/samba/samdb.py", line 57, in
> > > __init__
> > >     options=options)
> > >   File "/usr/lib/python2.6/site-packages/samba/__init__.py", line 122, in
> > > __init__
> > >     self.connect(url, flags, options)
> > >   File "/usr/lib/python2.6/site-packages/samba/samdb.py", line 71, in
> > > connect
> > >     options=options)
> > >
> > > strace shows that python is opening packages in
> > > /usr/lib/python2.6/site-packages/samba and does open
> > > /usr/lib/samba/libtdb-wrap.so and /usr/lib/samba/libtdb.so.1 and
> > > /usr/modules/samba/ldb/tdb.so
> > >
> > > strace doesn't show any ultimate failure to open any file with "tdb" in
> > the
> > > filename (although it does show search path open sequences which succeed
> > in
> > > the end)
> > >
> > > It does fail to open files which would match "*ldb.py*" but then there
> > are
> > > no such files in the source either
> > >
> > > Any tips?
> >
> > Remove your existing installed binaries.  The failure is due to us
> > attempting to load a module (kludge_acl) from the previous installation.
> >
> 
> 
> Nope, I tried again to be sure. I have a fresh system installation with new
> samba, but preserved /var/lib/samba from before upgrade.
> 
> After trashing /var/lib/samba/private and re-provisioning, the command runs
> without error, but of course no binaries were in /var/lib/samba anyway

I'm sorry, I misread the error.  You must have a very, very old
database.  What version of Samba was used to provision it?

upgradeprovision --full might help, it was built for upgrades from these
older databases.  

If there is no important data in the database, it may work better to
just remove it and start over.

Andrew Bartlett

-- 
Andrew Bartlett                                http://samba.org/~abartlet/
Authentication Developer, Samba Team           http://samba.org