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Author Topic: Transfer speed using USB  (Read 6728 times)

wakeen1966

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Transfer speed using USB
« on: April 05, 2012, 05:56:28 PM »

Being new to this I may be doing something wrong but when I hook My CineRAID to my computer using the USB connection I get transfer speeds up to 100mb/sec. Connecting it to the DIR-827 (with the Share Point Utility) transferring the same files only gets maybe 8mb/sec at the best. Is there a way to get better speeds going from the CineRAID unit directly to the router? I purchased this combination with the hopes of setting up a media storage devide running through the router to provide access for all computers and tvs in the house. I am running the CineRAID in normal mode where the drives are not in a raid rather they act as normal drives.
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FurryNutz

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Re: Transfer speed using USB
« Reply #1 on: April 06, 2012, 07:15:34 AM »

This device have a LAN connection by chance?
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wakeen1966

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Re: Transfer speed using USB
« Reply #2 on: April 06, 2012, 09:31:16 AM »

No it does not. The only connection is a USB3 port. It just strikes me as odd that connecting it to the computer gets more than 10 times the speed compared to connecting it to the router.
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FurryNutz

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Re: Transfer speed using USB
« Reply #3 on: April 06, 2012, 09:48:38 AM »

Agreed however the router is having to do a lot of other things and even though its connecting and working, there is probably other background processes that the router is having to deal with and the design of that and using SP and it's processing is probably having an impact on performance. When your directly connected to a PC with the device, there isn't any extra processing going on to impact performance.

If your needing better speeds, I might suggest getting a USB 2 LAN interface adapter so you can use it over an IP address possibly or connect the USB device to a PC that you can leave on and share it out that way. I have 3 drives on my server.
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wakeen1966

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Re: Transfer speed using USB
« Reply #4 on: April 06, 2012, 01:06:51 PM »

I guess I understand your logic, but why does this router have the USB port specifically for sharing when it runs so slow you cannot share data quickly enough to make it worthwhile. I purchased this router and the raid unit for the sole purpose of streaming videos while the computer is off. Prior to purchasing the cineraid unit I had a d-link dns320 for the same purpose. It worked great, but the transfer speeds were terribly slow and video playback would suffer for it. I wanted to get away from the ethernet connection and go to usb3 hoping that my transfer issues would go away but alas they did not. If I wanted to leave the computer on all the time I would never have purchased all this new gear in the first place.
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FurryNutz

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Re: Transfer speed using USB
« Reply #5 on: April 06, 2012, 01:27:28 PM »

IMO any form of USB is not the greatest thing for major file xfers and streaming videos. Yes USB has it's place however USB can really only do so much. And depending upon the attached devices and there performance and designs and how they are Mfrd, can also have am impact on many things for USB.

Honestly, however, your trying to use USB to stream and to major xfers in which there are better alternatives. IMO, if your going to be doing this kind of thing, you really need to get on the Gb LAN wagon and use that as your main forum of streaming and xfers. USB just can't hold a candle to Wired LAN connections. Only thing I use on USB is some small xfers I need from my external drives for back up, I/O functions and testing USB printers when needed. Surf, email and such wireless when I'm on my LT. Most everything I do is Wired LAN. Less hassle, FASTER, and better stability. I have a server thats wired GB to a switch and a USB and Firewire drives connected to the server and shared for storage. All my other PCs and Boxee Box is wired in to the switch for seamless networking and no interferences or performance hits from the my host router. Which is another reason to go wired and get a network switch. Yes these routers should handle most anything however in my experience that having a switch in the mix greatly helps connections between devices, less router processing and management, allows the router to do just that, route traffic when needed and provide internet, in stead of having to deal with it ALL the time. Allows connected devices between each other to have a connection with out any processing from the host router and best of all, connections speeds and file xfer speeds are only limited by each devices, not by the router or a non LAN connection.

So when I'm watching boxee streaming full raw media files from the server, I can game or someone else can surf or do other streaming from the web with out any interferences seen on the boxee.  This is the job of the external switch.

I would highly recommend you review your situation and see if you can use wired LAN as your solution.

My 2 cents.
« Last Edit: April 06, 2012, 01:36:25 PM by FurryNutz »
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wakeen1966

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Re: Transfer speed using USB
« Reply #6 on: April 06, 2012, 02:33:23 PM »

Thanks for the advice. My situation is such that a wired solution is not only possible, but already mostly installed. I guess I thought going this route would be easier. I will look into the switch you described and take it from there. Thanks again!
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FurryNutz

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Re: Transfer speed using USB
« Reply #7 on: April 06, 2012, 02:34:19 PM »

Let us know how it goes. Have a great weekend.  ;)
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wakeen1966

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Re: Transfer speed using USB
« Reply #8 on: April 06, 2012, 07:45:35 PM »

Quick question...I have an empty port on my router, could I just connect my media device to that port using the USB to LAN converter? Would a switch be necessary?
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FurryNutz

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Re: Transfer speed using USB
« Reply #9 on: April 07, 2012, 08:35:48 AM »

You could. Switches are great to have as well.
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AquaManiac

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Re: Transfer speed using USB
« Reply #10 on: April 11, 2012, 06:58:23 PM »

I found this thread interesting. I am curious as to what kind of throughput people are experiencing via the USB port and SD port provided by the DIR-827. I have not got around to using the DIR-827 as a file sharing device but have every intentions of doing so by using an USB hub connected to the router's usb port sharing out USB drives and making a usb printer network accessible. One of the things I plan on trying out is using the SharePort software to do the USB via TCP/IP transport of a MAC usb hard drive with hardware data encryption.

Some quick research on the Internet indicates the DIR-827 can perform 11.5 MBytes/second write and 25 MBytes/second read via its USB 3.0 port. SD running at 3.7 MBytes/second write and 11.4 MBytes/second read.

Obviously, 25MB read is much better than a 100Mbit LAN connection (100Mbit*80%/8 = 10MBytes/sec) and far less than a 1Gbit LAN connection at 100MBytes/sec (1000mb*80%/8). But all-in-all, if my backups can occur more often I will be better off (differentials do not take all that long). USB 2.0 = 480Mbit = 60MBytes/sec.
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