[Openstack] 回复: vm is disconnected when I use VirtIO network driver

延生 付 willfly0620 at yahoo.com.cn
Wed Nov 7 01:35:31 UTC 2012


hi,

Could you let us know your stress test environment and procedures?
I didn't encounter this issue before.
 
Regards,
willfu


________________________________
 发件人: 한승진 <yongiman at gmail.com>
收件人: openstack at lists.launchpad.net 
发送日期: 2012年11月7日, 星期三, 上午 9:20
主题: [Openstack] vm is disconnected when I use VirtIO network driver
 

Hi.

We use VirtIO as a network driver and use KVM as a hypervisor.

Now, we have been having a instance stress test. (disk,cpu,network else..)

When we had a stress test, several instances are disconnected and down.

After rebooting the instance, we can access the instance again.

We doubted the network driver.

We change network driver from virtio to e1000.

There were no instances that were down or disconnected.

However, performance of e1000 is terrible..

Who have experienced like this situation?

VirtIO is still unstable?

Please tell us the reason and how to resolve this problem.










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