[Samba] Samba Client with Windows XP share slow performance

2007-06-19 Thread aragonx 
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

Is this to be expected?  Is there no way to get the performance the same?

Thank you in advance for your help.

Will


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Re: [Samba] Samba Client with Windows XP share slow performance

2007-06-19 Thread Jeremy Allison 
On Tue, Jun 19, 2007 at 03:22:34PM -0400, [EMAIL PROTECTED] 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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Re: [Samba] Samba Client with Windows XP share slow performance

2007-06-19 Thread aragonx 
 On Tue, Jun 19, 2007 at 03:22:34PM -0400, [EMAIL PROTECTED] 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 [EMAIL PROTECTED]
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 sharedbuffers cached
Mem:   2070904 4277361643168  0  20632 284708
-/+ buffers/cache: 1223961948508
Swap:  2031608  02031608



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