[Samba] Speed differences for windows clients

[Philipp Lies]

Am 8/13/2013 2:18 AM, schrieb Jeremy Allison:
> On Mon, Aug 12, 2013 at 10:00:18AM +0200, Philipp Lies wrote:
>> Hi,
>>
>> we have a strange phenomenon with the transfer speed between windows
>> clients and samba servers. Here's the setup:
>>
>> server 1: centos 6.3 with samba 3.5.10
>> server 2: centos 6.4 with samba 3.6.9
>> both servers are configured as BDC and have - aside from netbios
>> name - identical smb.conf which contains ldapsam as backend and all
>> other parameters are not set (i.e. default)
>>
>> When I mount a share from a linux client, the transfer speed is
>> ~112MB/sec to either server from any linux client. However, when I
>> mount a share from Windows clients, the speed to server 1 is ~95MB/s
>> and to server 2 ~85MB/s. We tested this with several windows clients
>> (all running Windows 7 with all updates).
>>
>> The speed difference between linux client and windows client is not
>> what's confusing me but that server 2 is always slower than server
>> 1.
>>
>> Any ideas what could cause this?
> 
> Nope. Need more data :-).
00101110101001010001111010 - enough data? ;-)

What kind of information do you need?

Philipp

> 
> Jeremy.
>