[Samba] Linux Workstation x SMB4 DC
Jefferson B. Limeira
jbl at internexxus.com.br
Wed Aug 5 19:57:09 UTC 2015
Em 2015-08-05 16:13, Rowland Penny escreveu:
> On 05/08/15 19:55, Jefferson B. Limeira wrote:
>>
>> I'm using CentOS 6.5 in all computers, workstations and servers. Samba
>> 4.2.3, compiled last night.
>>
>> I wrote a script that connect at some workstations and run 'time id
>> teste', the result:
>>
>> # ./exec.sh |grep ^real
>> real 0m1.944s
>> real 0m0.051s
>> real 0m1.843s
>> real 0m1.798s
>> real 0m18.236s
>> real 0m1.756s
>> real 0m1.769s
>> real 0m2.092s
>> real 0m1.952s
>> real 0m1.954s
>> real 0m17.588s
>> real 0m4.841s
>> real 1m48.618s
>> real 1m38.985s
>> real 2m1.186s
>> real 1m17.514s
>> real 1m43.024s
>> real 1m27.757s
>> real 1m29.072s
>>
>
> That is not slow, it is glacial :-)
>
>> From a certain moment, all workstation have increased response time.
>> At this moment, you believe in a problem on workstation configuration?
>>
>
> There is something definitely wrong, but what ?
>
>> I set log level = 9 in smb.conf and restart winbind.
>> A great time gap occurred after 'getpwnan teste' between 15:40:27 and
>> 15:41:02
>>
>> [2015/08/05 15:40:27.870746, 3]
>> winbindd/winbindd_getpwnam.c:56(winbindd_getpwnam_send)
>> getpwnam teste
>> [2015/08/05 15:41:02.906043, 6]
>> winbindd/winbindd.c:822(new_connection)
>> accepted socket 22
>> [2015/08/05 15:41:02.906169, 3]
>> winbindd/winbindd_misc.c:384(winbindd_interface_version)
>> [ 2321]: request interface version
>> [2015/08/05 15:41:02.906332, 3]
>> winbindd/winbindd_misc.c:417(winbindd_priv_pipe_dir)
>> [ 2321]: request location of privileged pipe
>> [2015/08/05 15:41:02.906529, 6]
>> winbindd/winbindd.c:822(new_connection)
>> accepted socket 28
>> [2015/08/05 15:41:02.906628, 6]
>> winbindd/winbindd.c:870(winbind_client_request_read)
>> closing socket 22, client exited
>> [2015/08/05 15:41:02.906702, 3]
>> winbindd/winbindd_getpwnam.c:56(winbindd_getpwnam_send)
>> getpwnam teste
>> [2015/08/05 15:41:19.232330, 5]
>> winbindd/winbindd_getpwnam.c:137(winbindd_getpwnam_recv)
>> Could not convert sid S-1-5-21-3802641769-3585385758-3926675344-500:
>> NT_STATUS_SERVER_DISABLED
>>
>
> Hmm, 'S-1-5-21-3802641769-3585385758-3926675344-500' is the SID-RID
> for 'Administrator' and 'NT_STATUS_SERVER_DISABLED' probably means
> what it says.
>
> OK, how did you compile samba?
> Why did you compile samba 4.2.3, it is available from Sernet.
>
> How are you starting samba on the various machines ?
> Can you post the smb.conf from the DCs and the servers etc ?
>
> Can you check that the following daemons are running:
>
> DC: samba, smbd, winbindd
> workstation or member server: smbd, nmbd, winbindd
>> Sorry for my English.
>>
>
> Never apologise for your English, as a native English speaking person,
> I am honoured that you have taken the time to learn my language, I, on
> the other hand, do not speak any other languages.
>
> Rowland
I will try Sernet packages, its possible use/import my actual ldap
database?
Servers means DCs, ok?
I actually have two DCs. Here is my smb.conf on a DC:
$ cat /usr/local/samba/etc/smb.conf
# Global parameters
[global]
workgroup = BP
realm = BP.NET
netbios name = SRVSMB4-PDC
server role = active directory domain controller
dns forwarder = 192.168.200.1
idmap_ldb:use rfc2307 = yes
log level = 3
[netlogon]
path = /usr/local/samba/var/locks/sysvol/bp.net/scripts
read only = No
[sysvol]
path = /usr/local/samba/var/locks/sysvol
read only = No
But on workstations I only have started winbind.
--
[]'s Jefferson B. Limeira
jbl at internexxus.com.br
https://br.linkedin.com/in/jlimeira
(41) 9928-8628
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