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I am dragging 1.3 GB file from my desktop to our datacenter and only getting 250 KB on what is supposed to be a 30 MB pipe

Posted on 2013-01-30
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Last Modified: 2013-01-31
We have a data center where are our file servers are stored. I am on my desktop at the office early in the morning and trying to drag a file there. We are supposed to have a 30 MB pipe but I am only gettnig 250 KB. What tools can I use to trouble shoot this? Isn't this pretty poor performance considering the pipe?
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Question by:Thor2923
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Expert Comment

by:IT_Crowd
ID: 38835165
I would start with Wireshark and make sure everything is good there - no dropped packets, etc.

http://www.wireshark.org/
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Expert Comment

by:Thomas Grassi
ID: 38835339
try using this program to copy or move files

Is this a windows based desktop?

http://download.cnet.com/TeraCopy/3000-2248_4-10671835.html
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Author Comment

by:Thor2923
ID: 38836514
yes windows based, I just did a copy and paste
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Accepted Solution

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agonza07 earned 500 total points
ID: 38836708
Here's some good reading for you.

http://bradhedlund.com/2008/12/19/how-to-calculate-tcp-throughput-for-long-distance-links/

Also, I think you meant you have a 30Mb link. Network is usually measured in bits, while data is measured in bytes.

So you are actually, running 1.953Mbps on that 30Mbps line. 250KB * 8 = 1.953Mbps.

You can modify the window size to allow for better throughput, but using another software would probably make life a lot easier.

http://www.howtogeek.com/73887/battle-of-the-file-copiers-windows-teracopy-and-supercopier/

http://www.lovemytool.com/blog/2010/07/practical-tcp-series-the-tcp-window-by-chris-greer.html
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Expert Comment

by:Thomas Grassi
ID: 38836767
try teracopy then works great
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Author Closing Comment

by:Thor2923
ID: 38841757
yes I did mean 30mb thanks
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