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Thread: N5200B Pro Write peformance

  1. #17
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    Re: N5200B Pro Write peformance

    Quote Originally Posted by Thecus - Yvon View Post
    Daer Sir,

    If writing to N5200 performance from bad to worse seem must somthing wrong, please check the configuration or any other program runnung in the same time on PC & N5200, propably someone access to PC or N5200 in the same time make system performance down.

    Following link is an user test the N5200 (not PRO version) via Vista for your refernce:
    http://thecususergroup.proboards106....ead=1173648104

    Yvon.
    When I look in that table VISta -> Thecus N5200 they get 32MB/sec (almost triple my speed).

    All my background processes are disabled.

    Is it possible I have to ask for a RMA (bought 7 days ago)?

    Edit: I have emailed my conf.bin to the support.
    Last edited by jordi.c; 21-09-2007 at 10:06 AM.

  2. #18
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    Re: N5200B Pro Write peformance

    Hi Jordi,

    Sounds like you are having a few problems and not sure that I will be able to help anything, but I have a few suggestions/comments...

    1) The original speeds that you had when copying across mapped drives on Vista seemed to be about right to me, as other people have said the protocol overheads dont make it particularly efficient in transferring files...

    2) Can you actually confirm that you NIC on your PC is connected at 1Gbps? The ipconfig doesnt tell me (I might have missed it) what speed you are connected at.

    3) There could be a problem with the NIC on the PC, I had some recent tests when streaming a HD-DVD file from my NAS to my media PC and I couldnt get the bandwidth to transfer the file... I played around with quite a few settings and it still wouldnt work (i.e. streamed a minute or so, then stuttered). I eventually changed the network cable to the 2nd NIC on the motherboard and instantly the streaming worked perfectly. Running some IPERF tests showed that the bandwidth on the 1st NIC was considerably lower than the 2nd NIC, no idea why but it certainly improved things...

    4) Using FTP to move large files around on the network should be much quicker. I see around 70Mb/sec on my gigabit network

    5) The speed of the router and modem are of no importance in the moving of files as long as both the N5200 and your PC are connected to the same gigabit switch.

    6) There are no (well, I havent seen any) ADSL modems/routers which have gigabit ports on them mainly because the gigabit ports are still quite expensive and ADSL2+ only supports 24Mbps so a 100Mbps fast ethernet port is more than enough for that

    7) ...and finally, what is the stripe size on your RAID5 array? From the screenshot of the INFO tool, I *think* you have it set to 64K, which is a very small stripe size for copying and storing a 4.7Gb file especially in a software RAID solution... it could be that your write performance is slow due to all the overheads on the RAID. If you could increase the stripe size (means an array rebuild) to say 512K you *might* see an increase in speeds...

    I hope this helps and its just my comments and suggestions.

    Thanks
    Guy

  3. #19
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    Re: N5200B Pro Write peformance

    HI Guy,

    70MB/sec than we're talking .

    I cannot tell you if the NIC is reallly operate at Gigabit speed due to the fact I don't know where to look for. Therefor I have attached as much prtscreens as possible.

    Yvon is saying that the OS could be a problem, but in the link she gave me they also used Vista with write speeds of 30MB/sec.

    Maybe I have a N5200 which is not functioning as it should be and I'm thinking of a RMA.

    The strip size is indeed standard (64K).
    Last edited by jordi.c; 21-09-2007 at 10:07 AM.

  4. #20
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    Re: N5200B Pro Write peformance

    Jordi,

    I cant find a DOS command which will quickly tell me what the NIC speed is and I am on a work PC which is locked down so cant check too much... but could you go to Start -> Control Panel -> Network Connections and do a Properties on the active NIC interface? I'd just like to see that your card is actually connecting at 1Gbps and not 100Mbps.

    Although, after you have confirmed that your stripe size is 64K I would be more in favour of this being a bottleneck on performance for large files... have you tried transferring a 100Mb file and whats the perforance like on that?

    Cheers

  5. #21
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    Re: N5200B Pro Write peformance

    Here you go;



    Code:
    Downloaden
    Wachten op de server...
    226-Options: -l 
    226 0 matches total
    TYPE I
    200 TYPE is now 8-bit binary
    PASV
    227 Entering Passive Mode (192,168,0,3,157,29)
    STOR Thalia's Video #2.mpg
    150 Accepted data connection
    Uploaden: 170.717.188 bytes, 6596.0 kbytes/s
    226-File successfully transferred
    226 28.709 seconds (measured here), 5.67 Mbytes per second
    SIZE Thalia's Video #2.mpg
    213 170717188
    Copied (21-09-2007 11:37:38): D:\Thalia's Video #2.mpg -> ftp://192.168.0.3/Media/Thalia's Video #2.mpg 170.717.188 bytes, 5805.7 kbytes/s
    Directory ophalen
    TYPE A
    200 TYPE is now ASCII
    PASV
    227 Entering Passive Mode (192,168,0,3,170,16)
    LIST
    150 Accepted data connection
    Downloaden
    Wachten op de server...
    226-Options: -l 
    226 1 matches total

  6. #22
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    Re: N5200B Pro Write peformance

    Hmmmm, looks like you are connected at 1Gbps then...

    My next suggestion would be trying a larger stripe size... but thats a lot of work.

  7. #23
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    Re: N5200B Pro Write peformance

    Stripe size shouldn't make that much of a difference.
    Larger stripe for large files, smaller stripe for small files. Mine is set to 256 and I get a combo of large and small files.
    Speeds using SMB with OSX are 25-35Mb/s write 35-45Mb/s read. Using AFP is another story.

    Are you able to send a file to another computer or NAS? What speed do you get to another device?
    Are you able to try another computer to copy to the N5200?
    Can you tell if you losing packets (I'm on a mac and have a utility that gives me read or write error count) You use to get one with intel drivers off intels site. Don't know if that is still around now.
    Straight after a complete power off of the switch and PC do speeds pickup again then decrease?
    I have built a couple of NAS boxes using NasLite, and have worked around/ found the problem with few slow network problems. Each setup I have done suffered from a different problem, but all had the same network speed SLOW.
    Problem is trying to find what is causing it, swapping each item with another and testing again.
    If your able to try some of the above, it might help?
    Last edited by BRoche; 21-09-2007 at 01:07 PM. Reason: added extra info

  8. #24
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    Re: N5200B Pro Write peformance

    I have done the test with another PC config:
    Intel P4 1,4Ghz
    512MB RAM

    NIC 1gbps (same NIC as in my P4 3,2Ghz)

    Code:
    1:226-File successfully transferred
    1:226 49.011 seconds (measured here), 3.32 Mbytes per second
    1:Copied (21-09-2007 14:49:58): G:\Films\Thalia's Video #2.mpg -> ftp://192.168.0.3/usbhdd/Thalia's Video #2.mpg 170.717.188 bytes, 3400.4 kbytes/s
    1:Haal directory op
    1:TYPE A
    1:200 TYPE is now ASCII
    1:PORT 192,168,0,6,4,139
    1:200 PORT command successful
    1:LIST
    1:150 Connecting to port 1163
    1:Download
    1:Wacht op de server...
    1:226-Options: -l 
    1:226 1 matches total
    NIC (another) 100mbps

    Code:
    1:226-File successfully transferred
    1:226 46.823 seconds (measured here), 2.75 Mbytes per second
    1:Copied (21-09-2007 14:52:08): G:\Films\Saw III\VTS_13_1.VOB -> ftp://192.168.0.3/usbcopy/VTS_13_1.VOB 135.032.832 bytes, 2816.4 kbytes/s
    1:Haal directory op
    1:TYPE A
    1:200 TYPE is now ASCII
    1:PORT 192,168,0,2,4,176
    1:200 PORT command successful
    1:LIST
    1:150 Connecting to port 1200
    1:Download
    1:Wacht op de server...
    1:226-Options: -l 
    1:226 3 matches total
    My other PC config (see test results in previous posts);
    Intel P4 3,2Ghz
    2GB RAM



    Copying from one PC to another in the network goes by 10MB/sec (the 100mbps NIC is here of course the bottleneck).
    Last edited by jordi.c; 21-09-2007 at 02:07 PM.

  9. #25
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    Re: N5200B Pro Write peformance

    Quote Originally Posted by Thecus - Yvon View Post
    Daer Sir,

    If writing to N5200 performance from bad to worse seem must somthing wrong, please check the configuration or any other program runnung in the same time on PC & N5200, propably someone access to PC or N5200 in the same time make system performance down.

    Following link is an user test the N5200 (not PRO version) via Vista for your refernce:
    http://thecususergroup.proboards106....ead=1173648104

    Yvon.
    I can assure you no "human persons" are accessing the NAS (or I must have a Hacker ).

    Edit: Tomorrow I will reinstall my Windows Vista Business and test it with no apps on it.
    Last edited by jordi.c; 21-09-2007 at 09:52 PM.

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    Re: N5200B Pro Write peformance

    Well it doesn't look like the computers are the problem.
    Did both PC have Vista? software Firewall? virus scanner? (disable both for a quick test)?
    Have you tried different cables (Cat5e or Cat6) for both devices?
    So both ports (WAN and LAN) are showing the same speed?
    Have you tried a factory reset via a USB just to make sure FW is OK?
    http://thecususergroup.proboards106....ead=1174853425
    It does sound like the N5200 is having some sort of problem, hope Yvon can help.

  11. #27
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    Re: N5200B Pro Write peformance

    Hello,

    I have installed Widows Business at the moment and thought it could be the OS which is messed up.

    So after the fresh reinstall there was no Total Commander on the PC. I copied one file with Windows Explorer and get a totally different transfer speed


    Maybe it could be the OS that was reinstalled so I have installed Total Commander again.... and yes the speed was again slow. This means Total Commander is causing slow transfer speeds.

    Total Commander shows the speed in kbytes/s and Widnows Vista MB/sec. Does this mean that 18357.0 kbytes/s is the same as 30MB/sec?



    Kind Regards,
    Jordi

    Edit: 2Gwoodhouse, what drives do you have in your spare N5200?
    Last edited by jordi.c; 22-09-2007 at 04:21 PM.

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    Re: N5200B Pro Write peformance

    Hi Jordi,

    Formatting your Windows install and changing to Vista Business wont make any difference to your transfer speeds... you are much better off sticking with Vista Ultimate (I'm currently using the x64 version).

    I think there are some problems on your network somewhere, but without actually seeing the setup it makes things difficult to diagnose. I aslo dont think your N5200 is broken either, I think its just a setup issue...

    I am just about to build a new array on my spare N5200 with a stripe size of 64K and I will do some transfer speed tests after that is done and let you know roughly what I get when transferring a 4.7Gb file...

    Also, are you sure that you are using Cat 5E cables in your network and not Cat 5? Whilst Cat 5 can support gigabit speeds, its not likely to be reliable...

  13. Received thanks from:

    jordi.c (22-09-2007)

  14. #29
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    Re: N5200B Pro Write peformance

    Look here
    http://thecususergroup.proboards106....ead=1169848822
    More info on stripe size.
    If you deal with large files, go for a larger stripe size.
    If you deal with small files, go for a small stripe size.

  15. #30
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    Re: N5200B Pro Write peformance

    I have currently got 10x Hitachi Deskstar 1Tb drives (5x in each N5200)... I still suggest changing the stripe size, but anyway...

    Re: BRoche...

    You say -

    "If you deal with large files, go for a larger stripe size.
    If you deal with small files, go for a small stripe size."

    ...but you dont really clarify what you regard as a "small file" and a "large file". In my setup, I class a 2Mb file as "small" and I have around 1,000 1.5Gb files which I'd class as large.

    Even if I had lots and lots of 2Mb files a 64K stripe size wouldnt be ideal, something like 256K would be better... I would only really see a 64K stripe as useful in say an e-mail server which has lots of small <1Mb e-mail files.

    Given that most people are storing large media files, photos, music, etc... then a larger stripe should be used to get the best performance.

    Anyway, enough of this... it looks like Jordi seems to be getting better transfer speeds. I'm off for a beer and to watch some footy...

    Cheers

  16. #31
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    Re: N5200B Pro Write peformance

    The whole Transfer Speed issue was the fault of Total Commander (TC). I have ran TC in Compatiblity mode and know it runs at 34MB/sec.

    I never test copying files with Windows Explorer .

    Anyway this problem is solved

    I wanna say thx to everybody who helped me solving this problem .

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