[Samba] Van Belle Repo - 4.10 for Bionic

L.P.H. van Belle belle at bazuin.nl
Mon Apr 1 08:31:02 UTC 2019 

You could try also to run :  samba_upgradedns --dns-backend=BIND9_DLZ 
Or if you using internal dns: samba_upgradedns --dns-backend=SAMBA_INTERNAL

You should be able to get passed the problem. 
I'll hope to get the ubuntu 4.9.5. packages online today. 

Greetz, 

Louis


> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
> Viktor Trojanovic via samba
> Verzonden: zondag 31 maart 2019 14:58
> Aan: Rowland Penny
> CC: samba at lists.samba.org
> Onderwerp: Re: [Samba] Van Belle Repo - 4.10 for Bionic
> 
> On Sun, 31 Mar 2019 at 14:45, Rowland Penny via samba
> <samba at lists.samba.org> wrote:
> >
> > On Sun, 31 Mar 2019 14:29:32 +0200
> > Viktor Trojanovic <viktor at troja.ch> wrote:
> >
> > > On Sun, 31 Mar 2019 at 14:22, Rowland Penny via samba
> > > <samba at lists.samba.org> wrote:
> > > >
> > > > On Sun, 31 Mar 2019 13:55:18 +0200
> > > > Viktor Trojanovic via samba <samba at lists.samba.org> wrote:
> > > >
> > > > > On Sat, 30 Mar 2019 at 17:45, L.P.H. van Belle 
> <belle at bazuin.nl>
> > > > > wrote:
> > > > > >
> > > > > > you can upgrade from 4.7 to 4.9.
> > > > > > but you must run samba-tool dbcheck
> > > > > > that should work also. after the check run 
> samba-tool dbcheck
> > > > > > --reindex
> > > > >
> > > > > I thought that maybe indeed I did something wrong the 
> last time
> > > > > so I followed your advice. Unfortunately, it broke my 
> DC again.
> > > > > (Luckily, I made a snapshot before doing this so I 
> should be able
> > > > > to easily revert).
> > > > >
> > > > > So I went through with the update from 4.7.4 to 
> 4.9.4, and after
> > > > > the update I ran:
> > > > >
> > > > > # samba-tool dbcheck
> > > > > Checking 322 objects
> > > > > Checked 322 objects (0 errors)
> > > > >
> > > > > # samba-tool dbcheck --reindex
> > > > > Re-indexing
> > > > > completed re-index OK
> > > > >
> > > > > # ldbedit -H /var/lib/samba/private/sam.ldb
> > > > > (shows contents of sam.ldb, closing the file)
> > > > >    # 0 adds  0 modifies  0 deletes
> > > > >
> > > > > # reboot
> > > > >
> > > > > # journalctl -xe
> > > > >
> > > > > Mar 31 11:43:52 dc1 samba[224]: task[dnsupdate][224]:
> > > > > /usr/sbin/samba_dnsupdate: ERROR(runtime):
> > > > > uncaught exception - (9711,
> > > > > 'WERR_DNS_ERROR_RECORD_ALREADY_EXISTS') Mar 31 11:43:52 dc1
> > > > > samba[224]: task[dnsupdate][224]: [2019/03/31 11:43:52.021002,
> > > > > 0] ../lib/util/ util_runcmd.c:327(samba_runcmd_io_handler)
> > > > > Mar 31 11:43:52 dc1 samba[224]: task[dnsupdate][224]:
> > > > > /usr/sbin/samba_dnsupdate:   File "/usr/lib
> > > > > /python2.7/dist-packages/samba/netcmd/__init__.py", 
> line 177, in
> > > > > _run Mar 31 11:43:52 dc1 samba[224]: task[dnsupdate][224]:
> > > > > [2019/03/31 11:43:52.021202,  0] ../lib/util/
> > > > > util_runcmd.c:327(samba_runcmd_io_handler)
> > > > > Mar 31 11:43:52 dc1 samba[224]: task[dnsupdate][224]:
> > > > > /usr/sbin/samba_dnsupdate:     return self.
> > > > > run(*args, **kwargs)
> > > > > Mar 31 11:43:52 dc1 samba[224]: task[dnsupdate][224]: 
> [2019/03/31
> > > > > 11:43:52.021375,  0] ../lib/util/
> > > > > util_runcmd.c:327(samba_runcmd_io_handler)
> > > > > Mar 31 11:43:52 dc1 samba[224]: task[dnsupdate][224]:
> > > > > /usr/sbin/samba_dnsupdate:   File "/usr/lib
> > > > > /python2.7/dist-packages/samba/netcmd/dns.py", line 
> 945, in run
> > > > > Mar 31 11:43:52 dc1 samba[224]: task[dnsupdate][224]: 
> [2019/03/31
> > > > > 11:43:52.021539,  0] ../lib/util/
> > > > > util_runcmd.c:327(samba_runcmd_io_handler)
> > > > > Mar 31 11:43:52 dc1 samba[224]: task[dnsupdate][224]:
> > > > > /usr/sbin/samba_dnsupdate:     raise e
> > > > > Mar 31 11:43:52 dc1 samba[224]: task[dnsupdate][224]: 
> [2019/03/31
> > > > > 11:43:52.047043,  0] ../source4/d
> > > > > sdb/dns/dns_update.c:330(dnsupdate_nameupdate_done)
> > > > > Mar 31 11:43:52 dc1 samba[224]: task[dnsupdate][224]:
> > > > > ../source4/dsdb/dns/dns_update.c:330: Faile
> > > > > d DNS update - with error code 26
> > > > >
> > > > > Does anyone have an idea what causes these errors?
> > > > >
> > > > > - Viktor
> > > > >
> > > >
> > > > Yes, it appears that the change to the GUID index mode 
> that first
> > > > appeared in 4.8.0 is the culprit. I don't think anybody really
> > > > knows why it fails, but it is believed to be that 4.9.x 
> thinks the
> > > > GUID index mode is being used, but the database is 
> still the 4.7.x
> > > > type.
> > > >
> > > > There have been a few workarounds suggested, but, to my 
> knowledge,
> > > > the only real upgrade path is to 'walk' up the 
> versions. From 4.7.x
> > > > upgrade to 4.8.x, run this so the database is changed 
> to the GUID
> > > > index mode and then upgrade to 4.9.x or higher.
> > > >
> > >
> > > That was the last information I had. I thought something 
> changed after
> > > seeing Andrew comment in the bug report
> > > (https://bugzilla.samba.org/show_bug.cgi?id=13760) and Louis
> > > confirming that this should actually work.
> > >
> > > Do you happen to know how to do the walk on Ubuntu? If I 
> understand
> > > this correctly, unless I want to compile myself (and I 
> don't), I need
> > > packages, and neither Ubuntu nor Louis provide packages 
> for 4.8. Which
> > > is why I'm thinking to upgrade by just joining a new DC 
> based on Samba
> > > 4.9.4. Or wait for Louis to publish 4.10 as this should, in my
> > > understanding, make it possible again to upgrade properly.
> > >
> > > - Viktor
> >
> > It looks like the fix is in 4.9.5 & 4.10.0 and Louis has 
> issued Samba
> > 4.9.5 packages ;-)
> >
> 
> Not sure I follow.. I only just today set up Louis' repo anew and
> 4.9.4 is what I got so I'm quite certain that's the newest package
> he's currently offering, for Ubuntu at least.
> 
> $ cat /etc/apt/sources.list.d/van-belle.list
> deb http://apt.van-belle.nl/debian bionic-samba49 main 
> contrib non-free
> 
> $ apt-cache policy samba
> samba:
>   Installed: 2:4.9.4+nmu-1.1~ubuntu1804
>   Candidate: 2:4.9.4+nmu-1.1~ubuntu1804
>   Version table:
>  *** 2:4.9.4+nmu-1.1~ubuntu1804 500
>         500 http://apt.van-belle.nl/debian 
> bionic-samba49/main amd64 Packages
>         100 /var/lib/dpkg/status
>      2:4.7.6+dfsg~ubuntu-0ubuntu2.6 500
>         500 http://archive.ubuntu.com/ubuntu 
> bionic-updates/main amd64 Packages
>      2:4.7.6+dfsg~ubuntu-0ubuntu2.5 500
>         500 http://security.ubuntu.com/ubuntu bionic-security/main
> amd64 Packages
>      2:4.7.6+dfsg~ubuntu-0ubuntu2 500
>         500 http://archive.ubuntu.com/ubuntu bionic/main 
> amd64 Packages
> 
> Also, I'm actually still not clear if an update to 4.10 will really
> solve the situation. If I read the bug report correctly, all 4.10 does
> is run dbcheck --reindex for you. If that doesn't work for me if I do
> it manually, why would it work if it was done automatically? I had the
> impression, however, that the upgrade I did on the other machine
> (which I had to shut down quickly thereafter) from 4.7.4. to 4.10 went
> without issues. In a nutshell, I'm utterly confused. :-D
> 
> - Viktor
> 
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