On Mon, Jan 25, 2010 at 12:14:36AM -0600, Stan Hoeppner wrote: > Volker Lendecke put forth on 1/24/2010 6:51 AM: > > On Sun, Jan 24, 2010 at 02:09:51PM +0200, Michael Wood wrote: > >> Except that he said "I can copy files between the Win2K and WinXP > >> machines at just over 10MB/s in a single stream and max out the 11MB/s > >> with two streams." I am assuming he used the same client in that test > >> as he did with the test against Samba. So from what he's said it > >> seems that he gets more speed with a Windows server than with Samba > >> for the same client. > > > > So what we need is a full network trace of both cases. > > Actually I'll give you something slightly different, and more to the original > question. I've taken two tcp captures on the Samba server machine. Both > transfers were performed using the Windows 2000 cli "copy" command pulling a > 36MB avi file from a share on the Samba server. The first test was a single > stream copy. The second test was a dual stream copy of the same file > concurrently to two different destination directories. I also had iftop > running > during the tests. The single stream transfer maxed out at just over 64Mb/s. > The dual stream test maxed out at 92Mb/s. Following are the two tcpdump > output > files using "tcpdump -p -s 0 -w FILE port 445": > > http://www.hardwarefreak.com/smb_single_stream > http://www.hardwarefreak.com/smb_dual_stream
The dual-stream one is kindof limited help. The interesting piece is how Win->Win does its thing faster, so we need to see that one. Volker
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