Re: [BackupPC-users] problem with samba

Mon, 20 Nov 2017 01:13:58 -0800

Hello Craig,
Thanks for responding.
Here's what I did (I increased debug level on smbclient a bit for more verbose output):

[root@barak ~]# nmblookup hayun-34
192.168.1.158 hayun-34<00>

[root@barak ~]# smbclient --version
Version 4.6.2

[root@barak ~]# smbclient //hayun-34/gis -U micha -E -d 3 -c tarmode    
lp_load_ex: refreshing parameters
Initialising global parameters
rlimit_max: increasing rlimit_max (1024) to minimum Windows limit (16384)
Processing section "[global]"
added interface eno1 ip=192.168.1.8 bcast=192.168.1.255 netmask=255.255.255.0
added interface virbr0 ip=192.168.122.1 bcast=192.168.122.255 netmask=255.255.255.0
Client started (version 4.6.2).
Connecting to 192.168.1.158 at port 445
got OID=1.3.6.1.4.1.311.2.2.30
got OID=1.2.840.48018.1.2.2
Enter ARAVA\micha's password:
 (connects OK)

But when I add options to tarmode...

[root@barak ~]# smbclient //hayun-34/gis -U micha -E -d 3 -c tarmode full
lp_load_ex: refreshing parameters
Initialising global parameters
rlimit_max: increasing rlimit_max (1024) to minimum Windows limit (16384)
Processing section "[global]"
added interface eno1 ip=192.168.1.8 bcast=192.168.1.255 netmask=255.255.255.0
added interface virbr0 ip=192.168.122.1 bcast=192.168.122.255 netmask=255.255.255.0
Client started (version 4.6.2).
resolve_lmhosts: Attempting lmhosts lookup for name hayun-34<0x20>
resolve_wins: WINS server resolution selected and no WINS servers listed.
resolve_hosts: Attempting host lookup for name hayun-34<0x20>
Connecting to 192.168.1.158 at port 445
got OID=1.3.6.1.4.1.311.2.2.30
got OID=1.2.840.48018.1.2.2
Kinit for micha@ARAVA to access hayun-34 failed: Cannot find KDC for requested realm
GENSEC backend 'gssapi_spnego' registered
GENSEC backend 'gssapi_krb5' registered
GENSEC backend 'gssapi_krb5_sasl' registered
GENSEC backend 'spnego' registered
GENSEC backend 'schannel' registered
GENSEC backend 'naclrpc_as_system' registered
GENSEC backend 'sasl-EXTERNAL' registered
GENSEC backend 'ntlmssp' registered
GENSEC backend 'ntlmssp_resume_ccache' registered
GENSEC backend 'http_basic' registered
GENSEC backend 'http_ntlm' registered
Got challenge flags:
Got NTLMSSP neg_flags=0x62898215
NTLMSSP: Set final flags:
Got NTLMSSP neg_flags=0x62088215
NTLMSSP Sign/Seal - Initialising with flags:
Got NTLMSSP neg_flags=0x62088215
SPNEGO login failed: Logon failure
session setup failed: NT_STATUS_LOGON_FAILURE

 No prompt for password, it just fails. Obviously this is a samba problem, not strictly BackupPC, but any suggestions are welcome. And, as I said, from the web interface, incrementals from the Win7 host are working, but fulls are not.

Thanks, Micha


On 20/11/17 02:35, Craig Barratt via BackupPC-users wrote:
Micha,

I've tested Samba 4.7.0 and it works; I don't think the tar options have changed.

The NT_STATUS_LOGON_FAILURE error shouldn't be bogus.  But I can't explain why incrementals work.

Can you experiment with running smbclient manually to see what options do and don't work?

Craig

On Thu, Nov 16, 2017 at 1:27 PM, Micha Silver <tsvi...@gmail.com> wrote:
About a month ago samba was updated to version 4.6 on my BackupPC server (version 3.3) and since then I can't do a full backup of Win7 machines. Incrementals work, but not the fulls. I get NT_STATUS_LOGON_FAILURE, but I think that's bogus. I have an idea that the problem is the "tarmode" part of the smbclient command. It seems that "tarmode verbose full" is not supported any longer. The only tarmode options that the new smbclient recognizes are full, inc, reset and noreset.
Any suggestions what the smbclient command should be now with the newer samba version?
Thanks

-- 
Micha Silver
Ben Gurion Univ.
Sde Boker, Remote Sensing Lab
+972-523-665918

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-- 
Ben Gurion Univ
Sde Boker
+972-523-665918



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