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Server 2008 R2 Network Performance

TechLarry

TechLarry

RIP [H] Brother - June 1, 2022
Joined
Aug 9, 2005
Messages
30,481
Most of you are familiar with my Server 2008r2/Hyper-V/Vail project.

I've noticed something that I'd like to try and improve, and that's Network performance.

The network throughput I'm getting copying files to either Server 2008r2 or Vail (also based on Server 2008r2) is about half what I was getting when transferring files to and from WHS1, which was based on Server 2003.

Are there any adjustments I can make to Server 2008r2 to improve this?

I was able to pull 60-80 MB/Sec over the gigabit network with the original WHS1 installation, but I'm only seeing about 30MB/Sec max since moving to 2008r2.

QoS? Bandwidth throttling/load balancing? I don't really need that kind of stuff enabled on my small home network.

Thanks :)
 
Ok, I ran iPerf and this is what I got between my Win7 workstation and the server:

------------------------------------------------------------
Client connecting to 192.168.0.100, TCP port 5001
TCP window size: 8.00 KByte (default)
------------------------------------------------------------
[148] local 192.168.0.109 port 57698 connected with 192.168.0.100 port 5001

[ ID] Interval Transfer Bandwidth
[148] 0.0-10.0 sec 330 MBytes 277 Mbits/sec
 
Looks like the issue is not your network, it is your hard drive read/write speeds. Go grab a copy of HD tune pro and benchmark your drives to see if one is failing, or has degraded performance. Also on your 2008R2 deployment make sure you have the chipset and SATA/RAID drivers for your motherboard installed. The ones that come with the OS are usually "good 'nuff" just to get you up and running, however are rarely good enough to do any serious serving with.
 
I think everything is ok. I may have just been trying to do too much at the same time.

I'm seeing copy rates of 50-75MB/Sec now, and that's in line with what I had before.

I do want to look over my switches and stuff, and what's connected where, and make sure I don't have too much bandwidth coming down a single crossover. Over the years of moving stuff around you never know what you might do to yourself :)
 
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