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Hi,
I am having a strange thing happening. I would have assumed that the DNS would be faster when reading from it rather than writing from it.
I have Jumbo frames turned on at 7K MTU on my network card (thats the highest it goes).
When 7K MTU is set on the DNS for a 1.5GB file being transfered (I am using a single PST file).
When sending it using CuteFTP, I get 19 Mbytes/sec. When I renamed it & download it from the DNS to my PC, I am getting 10 Mbytes/sec.
When changing the DNS to 9K MTU with the same 1.5GB file:
I get about the same when uploading & I get a drop better on the download (10.80 Mbytes/sec).
With Jumbo Frames turned off on the DNS, the upload is about the same & the download is a drop less (9.5 Mbytes/sec).
Any ideas on what to do?
Does the DNS need to be restarted after each change (it does not prompt me to do that)?
Thanks,
Rich
EDIT: I dont know if it matters but I am using Cat5 E I believe on the windows machine & whatever blue cable came with the DNS. Would Cat 6 make a difference?
Last edited by RichTJ99 (2009-01-19 18:04:18)
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i have one ch3snas, and my uploads are always faster than the downloads...
i tried more than on firmware, ftp program...etc..etc, uploads are more faster than downloads...
i dont no why
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I'd make sure your switch / hub you connect your dns-323 and computer to supoorts jumbo frames. I saw a Huge increase in thruput with jumbo frames enabled.
bob
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Do you have on demand virus software or firewall software (the ones inluded with Windows, also). These will search each file while downloading it (reading) which takes significant amounts of time. If you do have any of these, disable them then try it. It should improve. You can then work out a strategy for seting them propperly.
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Have you considered the read/write speeds of the device at the other end of the transfer?
The DNS-323 is only one link in the chain - you're transferring data from disk 1 in device 1 through several different interfaces and connections to disk 2 in device 2 and the transfer speeds is as fast as the slowest link.
It's easy to assume the DNS-323 is the slowest item - it may not be.
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