[Samba] Samba AD/DC crashed again, third time in as many months

[IT Admin]

Apt and to think those packages aren't installed:

sudo apt-get remove libtdb-dev libtalloc-dev python-talloc-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package 'libtalloc-dev' is not installed, so not removed
Package 'libtdb-dev' is not installed, so not removed
Package 'python-talloc-dev' is not installed, so not removed
The following packages were automatically installed and are no longer
required:
  linux-image-4.2.0-27-generic linux-image-extra-4.2.0-27-generic
Use 'apt-get autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

Should I just rename the files?

If the database is corrupt my only recourse is to follow the restore
guidelines in the Samba wiki and roll back to a previous version of the db,
correct?

JS
On Mar 3, 2016 7:40 AM, "Sketch" <smblist at rednsx.org> wrote:

> I'd remove the distro packages providing those libs in /usr/lib, as they
> could possibly cause problems.  One more I forgot, which might possibly be
> responsible for corrupting your ldb database if the wrong one is loaded by
> samba at runtime, is libldb.
>
> From the log, I'm guessing your database is corrupt if it can't read the
> schema, but someone else might have more insight.
>
> On Wed, 2 Mar 2016, IT Admin wrote:
>
> pytalloc:
>>
>> /usr/lib/x86_64-linux-gnu/libpytalloc-util.so.2
>> /usr/lib/x86_64-linux-gnu/libpytalloc-util.so.2.1.2
>> /usr/local/samba/include/pytalloc.h
>> /usr/local/samba/lib/private/libpytalloc-util.so.2
>> /usr/local/samba/lib/private/libpytalloc-util.so.2.1.3
>>
>> libtalloc:
>>
>> /usr/lib/x86_64-linux-gnu/libtalloc.so.2
>> /usr/lib/x86_64-linux-gnu/libtalloc.so.2.1.2
>> /usr/local/samba/lib/private/libtalloc-report-samba4.so
>> /usr/local/samba/lib/private/libtalloc.so.2
>> /usr/local/samba/lib/private/libtalloc.so.2.1.3
>>
>>
>> libtdb:
>>
>> /usr/lib/x86_64-linux-gnu/libtdb.so.1
>> /usr/lib/x86_64-linux-gnu/libtdb.so.1.3.5
>> /usr/lib/x86_64-linux-gnu/samba/libtdb-wrap.so.0
>> /usr/lib/x86_64-linux-gnu/samba/libtdb_compat.so.0
>> /usr/local/samba/lib/private/libtdb-wrap-samba4.so
>> /usr/local/samba/lib/private/libtdb.so.1
>> /usr/local/samba/lib/private/libtdb.so.1.3.7
>>
>>
>> I also noticed that I've got a log.smbd in /usr/local/samba/var:
>> http://www.anonpaste.net/?p=bdfa3
>>
>> JS
>>
>>
>>
>> On Wed, Mar 2, 2016 at 9:00 PM, Sketch <smblist at rednsx.org> wrote:
>>
>> Also check for pytalloc|libtalloc and libtdb.
>>>
>>>
>>> On Wed, 2 Mar 2016, IT Admin wrote:
>>>
>>> I poked around the system using locate, I don't think there are any
>>>
>>>> packages installed on this system other than those associated with the
>>>> 4.3.3 build I compiled.
>>>>
>>>> smbd
>>>>
>>>> /usr/lib/python2.7/dist-packages/samba/samba3/smbd.so
>>>> /usr/lib/x86_64-linux-gnu/samba/libsmbd_base.so.0
>>>> /usr/lib/x86_64-linux-gnu/samba/libsmbd_conn.so.0
>>>> /usr/lib/x86_64-linux-gnu/samba/libsmbd_shim.so.0
>>>> /usr/local/samba/lib/private/libsmbd-base-samba4.so
>>>> /usr/local/samba/lib/private/libsmbd-conn-samba4.so
>>>> /usr/local/samba/lib/private/libsmbd-shim-samba4.so
>>>> /usr/local/samba/lib/python2.7/site-packages/samba/samba3/smbd.so
>>>> /usr/local/samba/private/smbd.tmp
>>>> /usr/local/samba/sbin/smbd
>>>> /usr/local/samba/share/man/man8/smbd.8
>>>> /usr/local/samba/var/log.smbd
>>>> /usr/local/samba/var/log.smbd.old
>>>> /usr/local/samba/var/run/smbd.pid
>>>> /var/log/upstart/smbd.log.1.gz
>>>>
>>>> nmbd
>>>>
>>>> /usr/local/samba/sbin/nmbd
>>>> /usr/local/samba/share/man/man8/nmbd.8
>>>> /var/log/upstart/nmbd.log.1.gz
>>>>
>>>> samba
>>>>
>>>> /usr/local/samba/sbin/nmbd
>>>> /usr/local/samba/sbin/samba
>>>> /usr/local/samba/sbin/samba_dnsupdate
>>>> /usr/local/samba/sbin/samba_kcc
>>>> /usr/local/samba/sbin/samba_spnupdate
>>>> /usr/local/samba/sbin/samba_upgradedns
>>>> /usr/local/samba/sbin/smbd
>>>> /usr/local/samba/sbin/winbind
>>>>
>>>>
>>>> If I'm overlooking something obvious please let me know.
>>>>
>>>> JS
>>>>
>>>> On Wed, Mar 2, 2016 at 5:42 PM, Marc Muehlfeld <mmuehlfeld at samba.org>
>>>> wrote:
>>>>
>>>> Am 02.03.2016 um 18:52 schrieb IT Admin:
>>>>
>>>>>
>>>>> Samba is compiled from source.
>>>>>> Samba DB is stored on local RAID array.
>>>>>> Changes to AD are done using ADUC from a Windows 7 box.
>>>>>> AD is used for authentication, user shares (folder redirection), and
>>>>>>
>>>>>> shared
>>>>>
>>>>> folders.
>>>>>>
>>>>>>
>>>>> Can you add
>>>>>   log level = 10
>>>>> to your smb.conf, empty your log directory and start Samba. It should
>>>>> generate a new log, that captures all output. Then put it to
>>>>> cpaste.org
>>>>> or some other paste service and share the link with us. Maybe we see
>>>>> something interesting.
>>>>>
>>>>>
>>>>> Does something changed when the problem occured the first time? Some
>>>>> package updates, crashes, etc.?
>>>>>
>>>>>
>>>>> Can you make sure that no kind of Samba package (daemon, libs, etc.) is
>>>>> installed on the system? Maybe your selfcompiled version overwrites
>>>>> some
>>>>> stuff and your OS installed an update, that mixes now with the self
>>>>> compiled version. Just a guess.
>>>>>
>>>>> Regards,
>>>>> Marc
>>>>>
>>>>> --
>>>>>
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>>>>
>>>>
>>>>
>>>> --
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>>
>>