[ale] FYI on MS Hyper-V

[Lightner, Jeff]

The thread about Opensuse/virtualbox made me think of something we just ran across recently.

When one is setting up Hyper-V in a cluster arrangement the guests they must be setup in the cluster rather than on one of the nodes BEFORE the initial guest OS load.   It turns out the MAC presented to the OS changes when it is failed over to the other node if added to the cluster after the fact.   Apparently this wasn’t an issue for Windows guests.

Once you’ve gotten the MAC on initial load of Linux guest you can tell  Hyper-V to make that persistent so it stays the same on failover and doesn’t play havoc with your eth0, eth1, etc… configs.   We saw this issue on RHEL5 and RHEL6 guests.

From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of Jim Kinney
Sent: Tuesday, August 13, 2013 1:18 PM
To: Atlanta Linux Enthusiasts
Subject: Re: [ale] No eth0 with Opensuse 12.3 in virtualbox

check the setting s files for the interfaces in the VM and see if they are set to not start on boot.

On Tue, Aug 13, 2013 at 12:53 PM, Jonathan Meek <jonathan.l.meek at gmail.com<mailto:jonathan.l.meek at gmail.com>> wrote:
JD,
According to their site, Virtualbox does support virtio.
http://www.virtualbox.org/manual/ch06.html
Mike,

I have double-checked my settings in virtualBox for the NIC and in the process of restarting the box, so I will see what happens.

Regards,

Jonathan

On Tue, Aug 13, 2013 at 11:53 AM, JD <jdp at algoloma.com<mailto:jdp at algoloma.com>> wrote:
If you use virtio devices, don't the device names change?  Perhaps that is just
for HDDs, not NICs?

Does virtualbox support virtio?

On 08/13/2013 11:34 AM, Jonathan Meek wrote:
> Hello everyone,
>
> I have got what I think is a dumb question but here goes it: I have just
> installed Opensuse 12.3 within virtualbox but I have no eth0 on the VM. I have
> pulled up ifconfig and it just tells me I have a feedback loop (lo).  How would
> I begin to troubleshoot this?
>




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James P. Kinney III

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