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Posted by Robert Redelmeier on January 13, 2008, 8:06 pm
If you were Registered and logged in, you could reply and use other advanced thread options > directly from 1 windows machine to the other using windows copy/
> netbios I am seeing hardly 20 - 25 Mbps. That's a huge drop.
No, it is not. 10 Mbit/s is the only drop possible. The interface
either runs at 10 or it runs at 100. It cannot run at 20 or any
intermediate speed. You have 100 and a bottleneck elsewhere.
> Can someone please explain the concept of overhead and how this
> affects the transfer? Also how would window size come into affect.
There is overhead in all transfers -- checking data for
corruption and keeping track of packets. I'm doubt TCP
receive window size [wiki't] would come into pure netbios.
> These are fairly new machines so I don't think the hardware
> on them should be the limiting factor. Even if the HDD is
> a normal 5400RPM drive shouldn't the performance still be
> atleast 50-60Mbps. Thanks
That is very old. Modern drives should be at least 7200, and be
capable of above that. However, writes are usually slower than
reads, and OSes often make them much slower by metadata updates.
-- Robert
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