On Tue, Jun 19, 2007 at 03:22:34PM -0400, aragonx@dcsnow.com wrote:
> I'm getting awful performance when trying to write to our new NAS and/or a
> Windows XP share. In short, I'm getting just under 1/2 the speed that I
> can get if I mount a Linux share on the Windows box and send the files
> that way. Here are the test results:
>
> >From XP to Linux via FTP 47MB/sec
> >From XP to Linux via SAMBA 40MB/sec
> >From Linux to XP via CIFS 21MB/sec
>
> Now, this is much better than the performance I am getting from our SuSE
> 9.3 stock servers using the 2.6.5 kernel. This can only get about
> 10MB/sec. We have tried many different socket options with little to show
> for the effort.7

More details on the Linux mount please ?

Jeremy.
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> On Tue, Jun 19, 2007 at 03:22:34PM -0400, aragonx@dcsnow.com wrote:
>> I'm getting awful performance when trying to write to our new NAS and/or
>> a
>> Windows XP share. In short, I'm getting just under 1/2 the speed that I
>> can get if I mount a Linux share on the Windows box and send the files
>> that way. Here are the test results:
>>
>> >From XP to Linux via FTP 47MB/sec
>> >From XP to Linux via SAMBA 40MB/sec
>> >From Linux to XP via CIFS 21MB/sec
>>
>> Now, this is much better than the performance I am getting from our SuSE
>> 9.3 stock servers using the 2.6.5 kernel. This can only get about
>> 10MB/sec. We have tried many different socket options with little to
>> show
>> for the effort.7
>
> More details on the Linux mount please ?

Well, I'm not exactly sure what information would be useful. Here is some
things I can think of.

I simply did a mount -t cifs //windowsxpmachine/xfertest /home/xfertest

Here is some more machine information. Please let me know if this is not
what is needed.

uname -a
Linux localhost.localdomain 2.6.20-1.2925.fc6 #1 SMP Sat Mar 10 19:15:16
EST 2007 i686 i686 i386 GNU/Linux

modinfo cifs.ko
filename: cifs.ko
version: 1.47
description: VFS to access servers complying with the SNIA CIFS
Specification e.g. Samba and Windows
license: GPL
author: Steve French
srcversion: 1F9612E98A836FE3CFEA30A
depends:
vermagic: 2.6.20-1.2925.fc6 SMP mod_unload 686 4KSTACKS
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)


rpm -qa|grep samba
system-config-samba-1.2.35-1.1
samba-3.0.24-1.fc6
samba-common-3.0.24-1.fc6
samba-client-3.0.24-1.fc6


free
total used free shared buffers cached
Mem: 2070904 427736 1643168 0 20632 284708
-/+ buffers/cache: 122396 1948508
Swap: 2031608 0 2031608



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