[Samba] replication failing for 4.9.4

Sat Dec 29 08:54:24 UTC 2018

Hi Louis,

Since you asked me privately to reply here: I don't have multiple DCs so I
guess the question is moot in my case.

Cheers,
Viktor

On Fri, 28 Dec 2018 at 17:10, L.P.H. van Belle via samba <
samba at lists.samba.org> wrote:

> so the DC with FSMO is not done first?
>
>
>
> Van: Kristján Valur Jónsson [mailto:kristjan at rvx.is]
> Verzonden: vrijdag 28 december 2018 17:08
> Aan: L.P.H. van Belle
> Onderwerp: Re: [Samba] replication failing for 4.9.4
>
>
>
> dc01 is still running 4.7.7.  No need to restart it.  There is also still
> a DC03 running 4.7.7.  the only one I've upgraded is DC02.  resolv.conf on
> DC02 is configured with DC01 as the first remote.  This does not appear to
> be a DNS issue.
> As per recommendation, I am first upgrading the non-fsmo servers (DC01 has
> all the FSMO roles).
> This log line does look suspicous:
>
>
> [2018/12/28 15:30:47.371819,  0]
> ../source4/dsdb/common/util.c:1815(samdb_reference_dn_is_our_ntdsa)
>   Failed to find object DC=rvx,DC=is for attribute fsmoRoleOwner - Cannot
> find DN DC=rvx,DC=is to get attribute fsmoRoleOwner for reference dn: No
> such Base DN: DC=rvx,DC=is
>
>
>
> None of the config has been changed.
>
>
>
>
>
>
>
>
>
>
>
> On Fri, 28 Dec 2018 at 15:50, L.P.H. van Belle <belle at bazuin.nl> wrote:
>
> Hai,
>
> DC1, did you reboot it or just restarted services, i advice a reboot.
>
> Then on DC2. Samba internal DNS by accident?
> If so, stop samba, set log level = 10
> Start it wait 30 sec, stop it.
>
> Now change the resolv.conf so DC1 is the first contacted.
> and start it again.
>
> Test again.
>
> Now im out the office in 15 min, but try this.
> Keep these logs, a samba dev may ask for it.
>
>
> Greetz,
>
> Louis
>
>
>
>
> > -----Oorspronkelijk bericht-----
> > Van: samba [mailto:samba-bounces at lists.samba.org] Namens
> > Kristján Valur Jónsson via samba
> > Verzonden: vrijdag 28 december 2018 16:39
> > Aan: Samba List
> > Onderwerp: [Samba] replication failing for 4.9.4
> >
> > Hi there.
> > I'm trying to upgrad from 4.7.7 to 4.9.4.
> > I built from source, running on centos 7.6 on a Raspberry Pi.
> > When testing on a secondary DC, my "samba-tool drs showrepl"
> > errors out
> > with:
> >
> > ERROR(<class 'samba.drs_utils.drsException'>): DRS connection
> > to dc02.rvx.is
> > > failed - drsException: DRS connection to dc02.rvx.is failed: (8,
> > > 'WERR_NOT_ENOUGH_MEMORY')
> > >   File
> > "/usr/local/samba/lib/python2.7/site-packages/samba/netcmd/drs.py",
> > > line 47, in drsuapi_connect
> > >     (ctx.drsuapi, ctx.drsuapi_handle,
> > ctx.bind_supported_extensions) =
> > > drs_utils.drsuapi_connect(ctx.server, ctx.lp, ctx.creds)
> > >   File
> > "/usr/local/samba/lib/python2.7/site-packages/samba/drs_utils.py",
> > > line 59, in drsuapi_connect
> >
> >
> > this is on DC02.  When I do the same on DC01 (which hasn't
> > been upgraded),
> > it reports errors talking to the DC, e.g.
> >
> > > DC=DomainDnsZones,DC=rvx,DC=is
> > >         Default-First-Site-Name\DC02 via RPC
> > >                 DSA object GUID:
> > 564fb63e-e2eb-45f9-b868-7d85e71c8dcc
> > >                 Last attempt @ Fri Dec 28 14:26:16 2018 UTC
> > failed, result
> > > 8 (WERR_NOT_ENOUGH_MEMORY)
> > >                 206 consecutive failure(s).
> > >                 Last success @ NTTIME(0)
> >
> >
> > This all worked previously.  I don't believe that memory is really the
> > problem, rather this appears to be a generic error percolating up.
> > my samba.log shows this:
> >
> > > [2018/12/28 15:30:44.911645,  0]
> > > ../source4/smbd/server.c:510(binary_smbd_main)
> > >   samba version 4.9.4 started.
> > >   Copyright Andrew Tridgell and the Samba Team 1992-2018
> > > [2018/12/28 15:30:47.282129,  0]
> > > ../source4/smbd/server.c:696(binary_smbd_main)
> > >   binary_smbd_main: samba: using 'standard' process model
> > > [2018/12/28 15:30:47.371819,  0]
> > > ../source4/dsdb/common/util.c:1815(samdb_reference_dn_is_our_ntdsa)
> > >   Failed to find object DC=rvx,DC=is for attribute
> > fsmoRoleOwner - Cannot
> > > find DN DC=rvx,DC=is to get attribute fsmoRoleOwner for
> > reference dn: No
> > > such Base DN: DC=rvx,DC=is
> > > [2018/12/28 15:30:47.403897,  0]
> > > ../lib/util/become_daemon.c:138(daemon_ready)
> > >   daemon_ready: STATUS=daemon 'samba' finished starting up
> > and ready to
> > > serve connections
> > > [2018/12/28 15:30:47.445485,  0]
> > > ../source4/smbd/service_task.c:36(task_server_terminate)
> > >   task_server_terminate: task_server_terminate: [kdc:
> > krb5_init_context
> > > samdb RODC connect failed]
> > > [2018/12/28 15:30:47.473993,  0]
> > > ../source4/smbd/service_task.c:36(task_server_terminate)
> > >   task_server_terminate: task_server_terminate: [dreplsrv: Failed to
> > > connect to local samdb: WERR_DS_UNAVAILABLE
> > >   ]
> > > [2018/12/28 15:30:47.504721,  0]
> > > ../source4/smbd/service_task.c:36(task_server_terminate)
> > >   task_server_terminate: task_server_terminate: [kccsrv:
> > Failed to connect
> > > to local samdb: WERR_DS_UNAVAILABLE
> > >   ]
> > > [2018/12/28 15:30:47.509377,  0]
> > > ../source4/dsdb/dns/dns_update.c:127(dnsupdate_rebuild)
> > > [2018/12/28 15:30:50.030324,  0]
> > > ../source3/winbindd/winbindd_cache.c:3160(initialize_winbindd_cache)
> > >   initialize_winbindd_cache: clearing cache and re-creating
> > with version
> > > number 2
> > > [2018/12/28 15:30:50.123864,  0]
> > > ../source3/passdb/pdb_interface.c:180(make_pdb_method_name)
> > >   pdb backend samba_dsdb did not correctly init (error was
> > > NT_STATUS_UNSUCCESSFUL)
> > > [2018/12/28 15:30:50.155000,  0]
> > > ../source3/passdb/pdb_interface.c:180(make_pdb_method_name)
> > >   pdb backend samba_dsdb did not correctly init (error was
> > > NT_STATUS_UNSUCCESSFUL)
> > > [2018/12/28 15:30:50.317037,  0]
> > > ../lib/util/become_daemon.c:138(daemon_ready)
> > >   daemon_ready: STATUS=daemon 'smbd' finished starting up
> > and ready to
> > > serve connections
> > > [2018/12/28 15:30:50.384582,  0]
> > > ../lib/util/become_daemon.c:138(daemon_ready)
> > >   daemon_ready: STATUS=daemon 'winbindd' finished starting
> > up and ready to
> > > serve connections
> > > [2018/12/28 15:30:50.402061,  0]
> > > ../source3/passdb/pdb_interface.c:180(make_pdb_method_name)
> > >   pdb backend samba_dsdb did not correctly init (error was
> > > NT_STATUS_UNSUCCESSFUL)
> >
> >
> > Any thoughts?
> > I've found similar issues from a few years ago, e.g.
> > https://bugzilla.samba.org/show_bug.cgi?id=10955  but they
> > don't appear to
> > apply to my case.
> >
> >
> >
> >
> >
> > --
> > Kv,
> > Kristján Valur Jónsson, RVX
> > --
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> >
>
>
>
>
>
> --
> Kv, Kristján Valur Jónsson, RVX
>
>
> --
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