[CentOS] True bond howto for Centos 6
Florian La Roche
Florian.LaRoche at gmx.net
Tue May 15 14:41:21 UTC 2012
On Sun, May 13, 2012 at 12:42:52PM -0700, Jerry Franz wrote:
> On 05/13/2012 10:16 AM, bob wrote:
> >
> > from what i get it is a problem with libvirt, using a bridge that is
> > going through a bond....on the same machine.
> > It must be rather detailed to fix and only a few people seem to use that
> > route. (like you and me)
> >
>
> I've been running 14 CentOS5 VMs with bridged over active-backup bonded
> interfaces (actually, over three sets of bonded interfaces) on a single
> Ubuntu 10.04-LTS server KVM host for a couple of years now. The only
> real issue I have had is that during a host reboot the 'thundering herd'
> trying to autostart simultaneously sometimes doesn't reliably start all
> 14 VMs and I have to manually launch the one or two VMs that fail to
> launch.
I used to see the same for RHEL5-based kvm-servers, but haven't seen this
with any RHEL6-based servers that I would recommend for kvm installs now.
> Also, I had to roll my own shutdown script because for whatever reason
> Ubuntu 10.04 thinks shooting running VMs in the head during a shutdown
> is a better approach than waiting for them to properly shutdown on request.
I also tend to favour shutdown/reboots for kvm guests instead of
suspend/resume...
best regards,
Florian La Roche
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