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Forum Discussion
trumpy81
Jun 26, 2012Aspirant
NV+ Transfer rates
GDay All, I have just installed a RND4000 V3 NV+ onto my network and I'm a little disappointed with the transfer speeds. At best I get an average of 7.2mb/s up and down which is dismal compared to ...
StephenB
Jun 30, 2012Guru - Experienced User
He started by saying he had tried jumbo frames on and off, and that it made no difference.
BikeHelmet wrote: Turn jumbo frames off. Try turning journalling off too. Then reboot the NAS and test again. You should be able to get higher speeds than you're getting.
How are you measuring read/write speeds? An hour at even 2MB/sec is 7.2GB - far more than your data set, indicating your file copy speed isn't very accurate. Have you tried replacing it with something more accurate like TeraCopy? (Free for personal use.)
http://codesector.com/downloads/
Journalling slows write speeds, but I don't think it will slow read speeds. Since both his read and write times are on the slow side, that doesn't seem likely. In any event, it is a bad idea to turn off journalling unless you have a UPS.
I agree that the speed for his transfer of 160,000 small files is not correct - 3 GB per hour is actually less than 1 MB/sec. Not sure that means his other speeds are off - the numbers in the 160K test are clearly approximate.
TeraCopy or other copy accelerators could well speed things up, though he should be getting faster speeds with straight windows drag-and-drop.
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