Re: [CentOS-virt] VMs failing to restart

2014-03-30 Thread Nico Kadel-Garcia
On Thu, Mar 27, 2014 at 8:14 AM, Lars Hecking lheck...@users.sourceforge.net wrote: Nico Kadel-Garcia writes: I published notes some time back about pair bonding for CentOS, applicable to Scientific Linux as well, t

Re: [CentOS-virt] VMs failing to restart

2014-03-27 Thread Nico Kadel-Garcia
I published notes some time back about pair bonding for CentOS, applicable to Scientific Linux as well, t https://wikis.uit.tufts.edu/confluence/display/TUSKpub/Configure+Pair+Bonding,+VLANs,+and+Bridges+for+KVM+Hypervisor Show us your /etc/sysconfig/network-scripts/ifcfg-br0, if you would. I

Re: [CentOS-virt] VMs failing to restart

2014-03-27 Thread Lars Hecking
Nico Kadel-Garcia writes: I published notes some time back about pair bonding for CentOS, applicable to Scientific Linux as well, t https://wikis.uit.tufts.edu/confluence/display/TUSKpub/Configure+Pair+Bonding,+VLANs,+and+Bridges+for+KVM+Hypervisor Show us your

[CentOS-virt] VMs failing to restart

2014-03-26 Thread Lars Hecking
This is a problem I've had on and off under CentOS5 and CentOS6, with both xen and kvm. Currently, it happens consistently with kvm on 6.5, e.g. with every kernel update. I *think* it generally worked fine with the 6.4 kernels. There are 7 VMs running on a 6.5, x86_64, 8GB RAM host, each

Re: [CentOS-virt] VMs failing to restart

2014-03-26 Thread Nico Kadel-Garcia
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. In particular, post your bridge settings. I

Re: [CentOS-virt] VMs failing to restart

2014-03-26 Thread George Dunlap
On Wed, Mar 26, 2014 at 11:20 AM, Lars Hecking lheck...@users.sourceforge.net wrote: This is a problem I've had on and off under CentOS5 and CentOS6, with both xen and kvm. Currently, it happens consistently with kvm on 6.5, e.g. with every kernel update. I *think* it generally worked fine

Re: [CentOS-virt] VMs failing to restart

2014-03-26 Thread Lars Hecking
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

Re: [CentOS-virt] VMs failing to restart

2014-03-26 Thread Zoltan Frombach
For KVM virtual machines, I always use virtio type NICs. That is for performance. 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