What happens if you run _2_ DD session??
DD/Copy/etc are not magic IO applications, they have single thread performance limits.
No reason you cant
On Sat, May 19, 2012 at 1:48 PM, Dan Burkland dburklan@nmdp.org wrote:
Hi all,
My company just bought some Intel x520 10GbE cards which I recently installed into our Oracle EBS database servers (IBM 3850 X5s running RHEL 5.8). As the "linux guy" I have been tasked with getting these servers to communicate with our NetApp 6080s via NFS over the new 10GbE links. I have got everything working however ever after tuning the RHEL kernel I am only getting 160MB/s writes using the "dd if=/dev/zero of=/mnt/testfile bs=1024 count=5242880" command. For you folks that run 10GbE to your toasters, what write speeds are you seeing from your 10GbE connected servers? Did you have to do any tuning in order to get the best results possible? If so what did you change?
Thanks!
Dan
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