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Low speed on Samba
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Nikitos
Junior Member


Joined: 15 Nov 2008
Posts: 4

PostPosted: Sat Nov 15, 2008 9:18 pm    Post subject: Low speed on Samba Reply with quote

Hello people!
I have a strange trouble with samba. On my Gb Network, i get only 55mbs of real speed between my SMS and a Windows XP box. On the same hardware but only under Windows Server i get about 80-95mbs.
Maybe i must config something manualy?
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gerasimos_h
Site Admin


Joined: 09 Aug 2007
Posts: 1753
Location: Greece

PostPosted: Sun Nov 16, 2008 12:21 pm    Post subject: Reply with quote

Hi...

What do you use to measure the speed?
I would recommend robocopy.
You can try to add under [global]
Code:
socket options = TCP_NODELAY SO_KEEPALIVE IPTOS_LOWDELAY
read raw = yes
write raw = yes


gerasimos_h

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Nikitos
Junior Member


Joined: 15 Nov 2008
Posts: 4

PostPosted: Sun Nov 16, 2008 10:55 pm    Post subject: Reply with quote

Thanks for the fast Answer! I use Total Commander or TerraCopy. Both programms are good and show same speed. At same time i look to the Network status of Windows, it show max 15% of usage.

The commands donĀ“t changed anything. Maybe i must config something on the network?
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Nikitos
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Joined: 15 Nov 2008
Posts: 4

PostPosted: Sat Nov 22, 2008 2:04 am    Post subject: Reply with quote

after many hours of research, i founded the speedleck. It was the Networkcard.
You can mark the topic as solved.
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gerasimos_h
Site Admin


Joined: 09 Aug 2007
Posts: 1753
Location: Greece

PostPosted: Sat Nov 22, 2008 9:07 am    Post subject: Reply with quote

Well that's an issue indeed, but I thought you said "on the same hardware under windows".
I came across this many times over SMB
Low cost TP link RT8169 I get 22MB/s
Marvell 88E8001 speeds up to 55MB/s
And comparing SMS with a Dual G5 MacOSX 10.5.4 server I get 32MB/s

Technically low cost ethernet adapters supports 1000Mbps Half dublex mode only.

Of course other issues that may cause low traffic are slow HDD try
hdparm -Tt /dev/yourdisk] on your server.
Low CPU and Low RAM

I'm glad you solved it thought
gerasimos_h

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Nikitos
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Joined: 15 Nov 2008
Posts: 4

PostPosted: Sun Nov 23, 2008 12:08 am    Post subject: Reply with quote

i think Windows Server optimize the network connection or work with better/newer drivers.
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gerasimos_h
Site Admin


Joined: 09 Aug 2007
Posts: 1753
Location: Greece

PostPosted: Sun Nov 23, 2008 11:47 am    Post subject: Reply with quote

I had never had that issue, but I'm not prohibit about it.
You can check and compare nfs speed over smb to check if it is a nic driver problem.

gerasimos_h

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