[Samba] Changed PDC IP, all hell broke lose
Robert Adkins II
radkins at impelind.com
Tue Sep 4 09:21:03 MDT 2012
More information is required.
What is the WINS server running OS wise? Can you work with the IT Staff in
charge of that WINS Server?
--
Regards,
Robert Adkins
> -----Original Message-----
> From: Paul Raines [mailto:raines at nmr.mgh.harvard.edu]
> Sent: Tuesday, September 04, 2012 11:16 AM
> To: Robert Adkins II
> Cc: samba at lists.samba.org
> Subject: RE: [Samba] Changed PDC IP, all hell broke lose
>
>
> I am not running winbindd on the server. I am using the WINS
> server of my hospital which I have no control over.
>
> I have already tried deleting browse.dat (I do not see the
> other two files anywhere) to no avail.
>
> So my fear is that this is all happening because the WINS
> server is refusing to recognize the change since I cannot do
> anything about it. Is that the issue? Is there anyway to
> force a WINS server to change the IP it has a for domain
> master browser?
>
> -- Paul Raines (http://help.nmr.mgh.harvard.edu)
>
>
>
> On Tue, 4 Sep 2012 10:59am, Robert Adkins II wrote:
>
> > It's most likely that your server has the old IP Address
> Cached in the
> > wins.dat, browse.dat, browse.tdb.
> >
> > I recommend the following:
> >
> > Shutdown the windbind, nmbd and smbd services.
> >
> > Back up each of the above mentioned files.
> >
> > Delete the original above named files.
> >
> > Restart your services and then see if you can connect.
> >
> > You may also need to edit your samba configuration file to point to
> > the new server IP Address as the PDC Master Browser. (Assuming you
> > didn't already do
> > that.)
> >
> > The problem is that your server is telling clients to
> attempt to find
> > it on a network that no longer exists.
> >
> > --
> >
> > Regards,
> > Robert Adkins II
> >
> >
> >
> >> -----Original Message-----
> >> From: samba-bounces at lists.samba.org
> >> [mailto:samba-bounces at lists.samba.org] On Behalf Of Paul Raines
> >> Sent: Tuesday, September 04, 2012 10:41 AM
> >> To: samba at lists.samba.org
> >> Subject: [Samba] Changed PDC IP, all hell broke lose
> >>
> >>
> >> I had to move my RedHat 5 box acting as a PDC to a new IP
> address. It
> >> is running samba 3.5.10. After the move, none of my
> windows or linux
> >> samba clients worked anymore. I tried rejoining some to
> the domain,
> >> but would get error
> >>
> >> Unable to find a suitable server
> >> Join to domain 'MRIRESEARCH' is not valid
> >>
> >>
> >> The old PDC IP address is 132.183.202.95 and nothing is at that IP
> >> anymore (for 4 days now). The new IP is 172.21.21.35
> >>
> >> I ran 'net -d 10 join' and would see it was still trying
> to connect
> >> to the old IP address. I tried 'net cache flush' to no avail. I
> >> shut down samba, removed every file in /var/cache/samba
> and still no
> >> change.
> >> It tries to go to the old IP address.
> >>
> >> On the PDC box, I increase 'os level' from 60 to 70,
> stopped the nmbd
> >> and smbd processes, did a 'net flush cache' and restarted nmbd and
> >> smbd. Still it fails and the nmbd log as the following.
> >>
> >> ==========
> >> [2012/09/04 10:09:25, 0] nmbd/nmbd.c:857(main)
> >> nmbd version 3.5.10-0.110.el5_8 started.
> >> Copyright Andrew Tridgell and the Samba Team 1992-2010
> >> [2012/09/04 10:09:25.716397, 0]
> >> nmbd/nmbd_logonnames.c:160(add_logon_names)
> >> add_domain_logon_names:
> >> Attempting to become logon server for workgroup MRIRESEARCH on
> >> subnet 172.21.21.35
> >> [2012/09/04 10:09:25.716599, 0]
> >> nmbd/nmbd_logonnames.c:160(add_logon_names)
> >> add_domain_logon_names:
> >> Attempting to become logon server for workgroup MRIRESEARCH on
> >> subnet 192.168.0.150
> >> [2012/09/04 10:09:25.716671, 0]
> >> nmbd/nmbd_logonnames.c:160(add_logon_names)
> >> add_domain_logon_names:
> >> Attempting to become logon server for workgroup MRIRESEARCH on
> >> subnet UNICAST_SUBNET
> >> [2012/09/04 10:09:25.716768, 0]
> >> nmbd/nmbd_become_dmb.c:337(become_domain_master_browser_wins)
> >> become_domain_master_browser_wins:
> >> Attempting to become domain master browser on workgroup
> >> MRIRESEARCH, subnet UNICAST_SUBNET.
> >> [2012/09/04 10:09:25.716828, 0]
> >> nmbd/nmbd_become_dmb.c:351(become_domain_master_browser_wins)
> >> become_domain_master_browser_wins: querying WINS server from IP
> >> 0.0.0.0 for domain master browser name MRIRESEARCH<1b> on
> workgroup
> >> MRIRESEARCH
> >> [2012/09/04 10:09:25.722744, 0]
> >> nmbd/nmbd_logonnames.c:121(become_logon_server_success)
> >> become_logon_server_success: Samba is now a logon server for
> >> workgroup MRIRESEARCH on subnet UNICAST_SUBNET
> >> [2012/09/04 10:09:25.722928, 0]
> >> nmbd/nmbd_become_dmb.c:235(become_domain_master_query_success)
> >> become_domain_master_query_success:
> >> There is already a domain master browser at IP
> >> 132.183.202.95 for workgroup MRIRESEARCH registered on subnet
> >> UNICAST_SUBNET.
> >> [2012/09/04 10:09:29.096239, 0]
> >> nmbd/nmbd_logonnames.c:121(become_logon_server_success)
> >> become_logon_server_success: Samba is now a logon server for
> >> workgroup MRIRESEARCH on subnet 172.21.21.35
> >> [2012/09/04 10:09:29.096382, 0]
> >> nmbd/nmbd_logonnames.c:121(become_logon_server_success)
> >> become_logon_server_success: Samba is now a logon server for
> >> workgroup MRIRESEARCH on subnet 192.168.0.150
> >> [2012/09/04 10:09:49.731244, 0]
> >> nmbd/nmbd_become_lmb.c:395(become_local_master_stage2)
> >> *****
> >>
> >> Samba name server PDC-NMR is now a local master browser for
> >> workgroup MRIRESEARCH on subnet 172.21.21.35
> >>
> >> *****
> >> [2012/09/04 10:09:49.731468, 0]
> >> nmbd/nmbd_become_lmb.c:395(become_local_master_stage2)
> >> *****
> >>
> >> Samba name server PDC-NMR is now a local master browser for
> >> workgroup MRIRESEARCH on subnet 192.168.0.150
> >>
> >> *****
> >> [2012/09/04 10:10:10.732440, 0]
> >> nmbd/nmbd_browsesync.c:247(domain_master_node_status_fail)
> >> domain_master_node_status_fail:
> >> Doing a node status request to the domain master browser
> >> for workgroup MRIRESEARCH at IP 132.183.202.95 failed.
> >> Cannot sync browser lists.
> >> [2012/09/04 10:10:10.732636, 0]
> >> nmbd/nmbd_browsesync.c:247(domain_master_node_status_fail)
> >> domain_master_node_status_fail:
> >> Doing a node status request to the domain master browser
> >> for workgroup MRIRESEARCH at IP 132.183.202.95 failed.
> >> Cannot sync browser lists.
> >>
> >> =============================================
> >>
> >> Where is it still getting the old IP address?
> >>
> >> The the clients are all set with
> >>
> >> remote announce = 172.27.88.81
> >> wins server = 172.27.88.81
> >> security = domain
> >> password server = pdc.nmr.mgh.harvard.edu
> >> workgroup = MRIRESEARCH
> >>
> >> The WINS server is run by central IT group of the hospital
> and I have
> >> no control over it.
> >>
> >> DNS is properly changed:
> >>
> >> # host pdc.nmr.mgh.harvard.edu
> >> pdc.nmr.mgh.harvard.edu is an alias for
> raidsrv01.nmr.mgh.harvard.edu.
> >> raidsrv01.nmr.mgh.harvard.edu has address 172.21.21.35
> >>
> >> ---------------------------------------------------------------
> >> Paul Raines http://help.nmr.mgh.harvard.edu
> >> MGH/MIT/HMS Athinoula A. Martinos Center for Biomedical Imaging
> >> 149 (2301) 13th Street Charlestown, MA 02129 USA
> >>
> >>
> >>
> >>
> >>
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> >> whom it is addressed. If you believe this e-mail was sent
> to you in
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> >>
> >> --
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> >>
> >
> >
> >
>
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