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slow connection from gentoo to my NAS box
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mshmsh
Tux's lil' helper
Tux's lil' helper


Joined: 29 Jan 2004
Posts: 107
Location: Foster City, CA

PostPosted: Sun Jun 08, 2008 2:48 pm    Post subject: slow connection from gentoo to my NAS box Reply with quote

Hi,

Problem: I get close to 7 MBps connecting from windows to my NAS box, but less than 4 MBps connecting from my gentoo box.

I have:
1. A gentoo box with a Realtek network card capable of 100 Mbps
2. An IBM laptop running windows XP
3. A D-Link entry level NAS server

These are all connected to via a D-Link router. For now I am running everything in wired mode.

I have mounted the NAS on my gentoo box using:

Code:

 mount -t smbfs //192.168.0.102/Volume_1 /nas -o user,username=admin


(on Windows the NAS drive appears as a shared drive.)

When I transfer about 4.75 GB file from Windows to NAS, I can do this in roughly 12 minutes = 720 seconds === 4.75*1024/720 ~ 6.75 MBps
From Gentoo, this takes 22 minutes == 4.75 * 1024/ (60*22) ~3.68 MBps

Theoretically I should be able to reach 100 Mbps == 100/8 == 12.5 MBps theoretically. In practice how much can I realistically expect? 8 MBps ? 9 MBps?

How can I trouble shoot this? I am guessing this is most likely a Samba configuration or some such, but dont know where to look.

Thanks,
Shyam
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vad3r
Guru
Guru


Joined: 02 May 2004
Posts: 461
Location: Munich, Germany

PostPosted: Mon Jun 09, 2008 9:23 am    Post subject: Reply with quote

If your NAS box supports NFS too you should give it a try and see if there's a difference. Try to measure your network performance of your gentoo box with tools like netperf or bing to see if you have a problem on your gentoo box.
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