[CentOS-virt] VMs failing to restart

Zoltan Frombach

zoltan at frombach.com
Wed Mar 26 22:36:32 UTC 2014

For KVM virtual machines, I always use virtio type NICs. That is for 
I never had any problems under CentOS 6.4 and 6.5.

On 3/26/2014 11:24 PM, Lars Hecking wrote:
> Nico Kadel-Garcia writes:
>> NetworkManager and system-config-network do not really handle pair
>> bonding very well, so you've obviously set it up by hand. this is the
>> point where, getting a paid license RHEL license for your KVM server
>> gets you direct access to their support team.
>   My servers don't use NM. Cf. other discussions on the main centos list :)
>> In particular, post your bridge settings. I think they should be set
>> to "failover", not to the other, more complex and load balanced
>> settings, to avoid confusing your switches and possibly KVM clients.
>   This? Or is there more information available?
> # brctl  show
> bridge name	bridge id		STP enabled	interfaces
> br0		8000.00215e4d349b	no		bond0
> 							vnet0
> 							vnet1
> 							vnet2
> 							vnet3
> 							vnet4
> 							vnet5
> 							vnet6
> virbr0		8000.525400825a69	yes		virbr0-nic
> #
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