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Slow stransfer speed over SMB and FTP
As in the topic. Maximum for both protocols is around 10 MB/sec (stable). Checked with Windows 7 x64, addtionally with nastester 1.7
OS 6.6.0
AV - On/Off (doesn't matter), currently Off
BitRotProtection - On/Off (doeasn't matter), currently Off for all folders
Cheksum On/Off (doesn't matter) , currently Off
4x Western Digital WD Red NAS 3TB (WDBMMA0030HNC-ERSN) set on X-RAID RAID 5
Ethernet connection - 1Gb switch TP-LINK TL-SG108E, managable but set 'as provided'
Currently only one ethernet port used (second will be used for iSCSI) with settings MTU 1500 IPv4 static, IPv6 dhcp
Any ideas ?
Ok, i run some tests (some of them I should do as first wave :(). From all computers in my lab, Win XP, 7 x64, x86, 10, Vista - 10 MB/s. I once again connected my computer with NAS directly and ... yuupi - transfers - 50-80 MB/s. So, the problem is clearly at the network. The infrastructure I can check - all 1Gb/s. There must be a bottleneck hardware I can't see. Or, my Net Administator set 100Mb/s cap for all users, since transfer with other servers ( e.g. Win 2008 Server) also can not exceed 10Mb/s.
I will talk with him tommorow and give an info where to look. So, StephenB - your original idea about network speed was good :)
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Usually ~10 MB/s is what you expect from fast ethernet, not gigabit. Did you check the connection speed for both the NAS and the PC? The switch might also have some stats that could be useful.
If you aren't using IPv6 on your local network, I'd disable it on the NAS.
You might be right about IPv6, currently i have another issue, I accidentally changed MTU from 1500 to 300 and no I can not log to admin page and files via SMB. But, I can access them via FTP ? WTF? :cry: Do I have to reset to default the entire unit ?
An OS reinstall should resolve it. The IP configuration will end up factory default (DHCP), and the admin password reset back to password. Other settings shouldn't be changed, and the data should be preserved.
The procedure is described on pages 44-45 here: http://www.downloads.netgear.com/files/GDC/READYNAS-100/ReadyNAS_%20OS6_Desktop_HM_EN.pdf
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