[OmniOS-discuss] Release 12 - KVM poor network performance
Dan McDonald
danmcd at omniti.com
Sun Nov 30 00:57:12 UTC 2014
You mention 012, but you do not mention what you're upgrading from. That can be helpful.
Dan
Sent from my iPhone (typos, autocorrect, and all)
> On Nov 29, 2014, at 6:50 PM, Machine Man <gearboxes at outlook.com> wrote:
>
> Hello,
> We experience slow network performance after upgrading for virtual machines.
> Copying from a system (physical machine) to the VM the copy speed drop from 85MB/s on release 10 to between 9 and 14MB/s. Both systems I upgraded experience the exact same symptom and use the igb driver.
> Both have Supermicro mainboards; X9DRD-7LN4F-JBOD and X10SLL-F. Copy tests are done between windows 8.1 and a Windows 2012R2 VM.
> Changing to virtio for nic as suggested in a previous email had no impact other than causing kvm to crash after copying ~400MB.
>
> Anyone else seeing this behavior?
>
> I do see the X10SLL board has an e1000g nic also
> LINK MEDIA STATE SPEED DUPLEX DEVICE
> e1000g0 Ethernet unknown 0 half e1000g0
> igb0 Ethernet up 1000 full igb0
> I will switch over to that and test again.
>
> Thanks,
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