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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 27, 2012Guru - Experienced User
It is interesting that disabling flow control helped. That suggests to me that you should try increasing the number of receive and transmit buffers on the Realtek. Flow control shouldn't really be kicking in on a direct connect (particularly on reads, since the PC should be able to keep up).
You might also try turning off "interrupt moderation", and see if that helps or hurts.
BTW, if your original firmware was 4.1.6 or earlier, you might not have 4K sector alignment on the NAS. 4K alignment is needed to get good performance with 2 TB drives. Here is info here on how to confirm alignment: http://www.rnasguide.com/2011/06/22/why ... -readynas/
If you don't have 4K alignment, you would need to do a factory reset to get it.
You might also try turning off "interrupt moderation", and see if that helps or hurts.
BTW, if your original firmware was 4.1.6 or earlier, you might not have 4K sector alignment on the NAS. 4K alignment is needed to get good performance with 2 TB drives. Here is info here on how to confirm alignment: http://www.rnasguide.com/2011/06/22/why ... -readynas/
If you don't have 4K alignment, you would need to do a factory reset to get it.
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