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[garnacho]

Hi all,

 I keep on playing my NAS and finding some little problems. I've got following installation:
- DNS-320l wired to a 100m ethernet connection in my router with the dns inbox cable.
-  A laptop with a 801b.11g netcard wireless connected with Windows Vista.
- A Smart TV wirless connect to.

In my laptop I've mapped the volumes I've got in my Nas ( A 500g Raid-1 and a 2,5T jobd). Everything is fine, the dlna servers fast to my TV and I can copy files at a relatively good speed with the dns user interface. But when I copy files from my PC to a mapped unit or vice versa I've achieve less than 1Mbps I/O speed. Anyone with similar problems?

I've got a smartphone with ES file Manager and I've got better transfer ratio than with my laptop.

Best regards.

[NixZero]

while not as bad as your I have similar problems, from my pc I get 11MB/s over 100mbit lan, from my laptop less than 5MB/s, using the same cable, same files.
over wireless I get 6MB/s on desktop and 2.5MB/s on laptop but this is more comphrensible as one got 150mb/s wifi card while the other only 54g.
the most awkward thing is that I get less than 8mb/s while copying between the two disks inside my 320l (over ssh shell), really strange that it gets lower internal transfer rate than over ethernet.

[FurryNutz]

One item you might add to your network to help speed up file xfers between wired LAN devices, get you a Gb Network switch and connect it after the router and put all of your wired LAN devices connected to the switch, this will help in speed performance and eliminate any unnecessary router processing that can impact file xfer performance.

[garnacho]

Well,

 I've managed few things with the router configuration, disabled some items in the NAS and actually I achieve 2-2,5Mpbs over WIFI with my laptop. I've done some tests and transfering files with the DNS interface is faster than through mapped volumes.

Anyway, if I want to transfer files from one NAS partition to other I better do it with the DNS interface.

About the switch, actually the only wired connections are NAS and printer so I don't think it would increase performance.

Thanks for your help.

[FurryNutz]

The switch will improve your speed performance if you switch your PC to a wired LAN connection. Wireless will always be slower then LAN wired. Seems that you have improved some wireless performance though.

What wireless modes are you using on the main host router?
What wireless modes does your PC support?

[NixZero]

One item you might add to your network to help speed up file xfers between wired LAN devices, get you a Gb Network switch and connect it after the router and put all of your wired LAN devices connected to the switch, this will help in speed performance and eliminate any unnecessary router processing that can impact file xfer performance.

bought a gbit switch, now  I get 25-50MB/s on my desktop machine, 20-25MB/s on my laptop.
copy between the two drives inside the dns-320l (over a ssh shell, via funplug) for some reason have gone up from 8MB/S to 12MB/S which I cant explain (ssh network usage should be negligible) but its still really low, cpu usage is always 50-100% during internal copy.
also intresting noticing that plotting the dns-to-desktop copy I get a nearly perfect waveform with regular valley down to 25MB/S and peak up to 50MB/S, like there's a too small buffer somewhere.

[NixZero]

Well,

 I've managed few things with the router configuration, disabled some items in the NAS and actually I achieve 2-2,5Mpbs over WIFI with my laptop. I've done some tests and transfering files with the DNS interface is faster than through mapped volumes.

wifi speed depends also on how many connected machine you have  on the same router, most routers cant do balancing so they'll  divide alloted wifi bandwith between the devices notwhistanding how much each is actually using.
so if you have two laptop/smartphone/wathever connected to 54g (which has a teoretical top bandwidth of 5MB/S) you'll get 2.5MB/S max.

[FurryNutz]

Ya and finding out where that small bottle neck could be at. Good Luck LOL.

I presume that all 3rd party security and back ground running SW is disabled while xfer file testing?
Also sometimes I've found that some Windows Services can impact testing, things like SEARCH and DEFRAG.
When I get a new router in to test, I sometimes turn these services OFF temporarily while testing to see catch any differences.

What model switch did you get?

[pittnuma]

wifi speed depends also on how many connected machine you have  on the same router, most routers cant do balancing so they'll  divide alloted wifi bandwith between the devices notwhistanding how much each is actually using.
so if you have two laptop/smartphone/wathever connected to 54g (which has a teoretical top bandwidth of 5MB/S) you'll get 2.5MB/S max.

That will explain why I'm getting roughly 2.5, ahaaa

[garnacho]

The switch will improve your speed performance if you switch your PC to a wired LAN connection. Wireless will always be slower then LAN wired. Seems that you have improved some wireless performance though.

What wireless modes are you using on the main host router?
What wireless modes does your PC support?

In the router I'm using 11b/g mixed (updated it yesterday). Till then I was using 11b/g/n mixed but my laptop is supports 11g. This is one of the things I changed to improve performance.

Best regards.