[Samba] (Repost to list) Copying large files xp pro -> Samba very slow

John H Terpstra jht at samba.org
Mon Mar 24 16:32:42 GMT 2003

On Mon, 24 Mar 2003, James Richardson wrote:

> I previously posted this to the linux.samba mailing list. I'm not sure
> that was the right place, so here it is again. Apologies if you've already
> seen it.


What happens when you use a cross-over cable between the client and the
samba server? ie: Eliminate the HUB.

- John T.

> Hi,
> I would really appreciate any hep with a big problm I'm having with XP
> (Pro / SP1 ) transferring to a samba share.
> The transfer starts off OK, using about 66% of my 100Mbs network.
> Then, after about 10-15 seconds, it drops off to 25%, then after abuot
> 30 seconds, drops off again to close to zero.
> After some amount of time ( perhaps 30 seconds to a minute ),
> sometimes the speed picks up again. (following the pattern above )
> The two computers are linked via a netgear 100Mb hub. The XP box has a
> 3com etherlink PCI card ( set to auto sense media / 3c???c ), and the
> samba box is running a netgear FA311 ( I think I remembered the code
> OK! ) 100Mbs, which seems to use 100Mbs-HD. I am using Kernel 2.4.20 /
> Samba ( latest - downloaded yesterday in case this was a samba problem
> ).
> I have tried forcing both cards to full-duplex, and this results in
> complete network failure on the XP side, but normal operation on the
> linux side.
> I am seeing 'browser election' messages in the xp event log, when i
> force the full-duplex setting, but not in auto-sense mode.
> I'm running this network for my fiance, a photographer, and we are
> looking at transferring >40Gb across this link.
> I have checked the QoS settings in XP, and they appear to be ok.
> I dont have another XP box on which to test XP->XP speeds, so I dont
> know where the problem may lie.
> Any suggestions would be most gratefully received!!
> Thanks!
> James

John H Terpstra
Email: jht at samba.org

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