[Samba] Changed PDC IP, all hell broke lose
Robert Adkins II
radkins at impelind.com
Thu Sep 6 08:01:02 MDT 2012
Great to see!
--
Regards,
Robert Adkins
> -----Original Message-----
> From: Paul Raines [mailto:raines at nmr.mgh.harvard.edu]
> Sent: Thursday, September 06, 2012 9:45 AM
> To: Robert Adkins II
> Cc: samba at lists.samba.org
> Subject: RE: [Samba] Changed PDC IP, all hell broke lose
>
>
> I emailed the admins and they said they "removed the old IP address"
> from the WINS server and that seemed to fix things.
>
> -- Paul Raines (http://help.nmr.mgh.harvard.edu)
>
>
>
> On Thu, 6 Sep 2012 9:37am, Robert Adkins II wrote:
>
> > I think you can/should have them remove the PDC from their
> WINS entry
> > on their end and then you can rejoin the network with the
> new IP Address.
> >
> > Outside of that, I can only suggest looking into how to
> send an update
> > to a record on a WINS server from a Samba PDC. I'm unsure
> if that is
> > possible as I have only run a fully Windows or a Linux/Samba with
> > Windows Clients as a network.
> >
> >
> > --
> >
> > Regards,
> > Robert Adkins
> >
> >
> >
> >> -----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 2:24 PM
> >> To: samba at lists.samba.org
> >> Subject: Re: [Samba] Changed PDC IP, all hell broke lose
> >>
> >>
> >> It is definitely an issue with the WINS server which
> returns the old
> >> IP address
> >>
> >> # nmblookup -U 172.27.88.81 -R 'MRIRESEARCH#1b'
> >> querying MRIRESEARCH on 172.27.88.81
> >> 132.183.202.95 MRIRESEARCH<1b>
> >>
> >> SO it is not automatically picking up the IP change which
> happened 4
> >> days ago and I have restarted samba on my PDC several
> times. The old
> >> IP is definitely not in /etc/hosts anymore or anywhere in
> smb.conf.
> >> It only shows up in gencache.tdb in the files /var/lib/samba even
> >> though I keep deleting that file when I restart.
> >>
> >> WINS is a total mystery to me. How is this supposed to work?
> >>
> >> -- Paul Raines (http://help.nmr.mgh.harvard.edu)
> >>
> >>
> >>
> >> On Tue, 4 Sep 2012 12:00pm, Paul Raines wrote:
> >>
> >>> I have no idea what the WINS server is except that I am sure it
> >>> running on Windows since they are totally Windows-based
> >> organization.
> >>> So the WINS server is definitely the problem? When I talk
> >> to them and
> >>> mention I am using Samba on Linux they may totally just say
> >> "we don't support it" and hang up.
> >>>
> >>> It seems a strange design that a WINS server can take
> >> precedence over
> >>> my explicit "password server" setting in my smb.conf file.
> >>>
> >>> -- Paul Raines (http://help.nmr.mgh.harvard.edu)
> >>>
> >>>
> >>>
> >>> On Tue, 4 Sep 2012 11:21am, Robert Adkins II wrote:
> >>>
> >>>> 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
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>> The information in this e-mail is intended only for the
> >> person to
> >>>>>>> whom it is addressed. If you believe this e-mail was sent
> >>>>> to you in
> >>>>>>> error and the e-mail contains patient information, please
> >>>>> contact the
> >>>>>>> Partners Compliance HelpLine at
> >>>>>>> http://www.partners.org/complianceline . If the e-mail
> >> was sent to
> >>>>>>> you in error but does not contain patient information,
> >>>>> please contact
> >>>>>>> the sender and properly dispose of the e-mail.
> >>>>>>>
> >>>>>>> --
> >>>>>>> To unsubscribe from this list go to the following URL
> >> and read the
> >>>>>>> instructions: https://lists.samba.org/mailman/options/samba
> >>>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>
> >>>>
> >>>>
> >>>>
> >>>
> >> --
> >> To unsubscribe from this list go to the following URL and read the
> >> instructions: https://lists.samba.org/mailman/options/samba
> >>
> >
> >
> >
>
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