[linux-cifs] Re: Samba 3.5 & CIFS mounts - long standing issue...

On 02/03/2012 03:44 PM, Shirish Pargaonkar wrote:
> On Fri, Feb 3, 2012 at 6:13 AM, Jakov Sosic  wrote:
>> Hi.
>> I can see that this is a long long standing issue... Apparently things
>> changed in Windows 2008 R2, and after upgrade of domain from R1 to R2 cifs
>> mounts don't work anymore between Linux servers. Windows can see Samba
>> shares and mount them, but CIFS on another Linux box cannot...
>> Here is a thread with explanation in lenght:
>> http://ubuntuforums.org/showthread.php?t=1178484
>> I get the exact same logs and errors... I've tested with smbclient and
>> everything works but with CIFS - no way :(
>> Has anybody succeded in solving this one?
>> Mount with CIFS:
>> #  mount -t cifs //server/share /mnt -o
>> username=jakov.sosic,password=*******,domain=mydomain -v
>> mount.cifs kernel mount options:
>> unc=//server\share,ver=1,username=jakov.sosic,domain=mydomain,ip=xxx.xxx.xxx.xxx,pass=********
>> mount error(13): Permission denied
>> Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)
>> Login with smbclient:
>> # smbclient -U jakov.sosic //server/share
>> Enter Administrator's password:
>> Domain=[MYDOMAIN] OS=[Unix] Server=[Samba 3.5.4-0.83.el5_7.2]
>> smb: \>
>> I've tried adding various mount parameters like sec=ntlmv2,
>> credentials=/path/to/file, but every attempt fails.
>> Any ideas?!?!!
>> Samba is version 3.5.4 on CentOS 5.7 on both Linux machines.

Hm, it seems to be working now...

I've added the following to smb.conf on the server:

"map untrusted to domain = yes"

restarted samba, tried - it wouldn't work. Removed that line, restarted 
again, tried again, now it works...

Also, domain should be noted in lowercase.

Don't know what fixed it ...

Also if you have hidden share (with $ at the end of the name), you 
shouldn't escape it in /etc/fstab or in automount maps.


# modinfo cifs
filename:       /lib/modules/2.6.18-274.7.1.el5/kernel/fs/cifs/cifs.ko
version:        1.60RH
description:    VFS to access servers complying with the SNIA CIFS 
Specification e.g. Samba and Windows
license:        GPL
author:         Steve French 
srcversion:     CB01A53173C481FE5E6FF69
vermagic:       2.6.18-274.7.1.el5 SMP mod_unload gcc-4.1
parm:           CIFSMaxBufSize:Network buffer size (not including 
header). Default: 16384 Range: 8192 to 130048 (int)
parm:           cifs_min_rcv:Network buffers in pool. Default: 4 Range: 
1 to 64 (int)
parm:           cifs_min_small:Small network buffers in pool. Default: 
30 Range: 2 to 256 (int)
parm:           cifs_max_pending:Simultaneous requests to server. 
Default: 50 Range: 2 to 256 (int)

Jakov Sosic
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