[PVE-User] What effect would changing the motherboard have on Proxmox?

Bruce B bruceb444 at gmail.com
Sat May 21 09:54:36 CEST 2011


Unfortunately, it seems like it did effect the KVMs. Probably even the VMs
but I am not sure yet. Can anyone give me suggestions why the
KVM Ethernet bridge is not working while Proxmox can ping Google and it's
portal is working?

I actually added a second NIC card to the KVM but it still doesn't obtain
DHCP.

Thanks,

On Sat, May 21, 2011 at 3:07 AM, Bruce B <bruceb444 at gmail.com> wrote:

> Thanks. So, it did break the vmbidge and the whole GUI for proxmox.
>
> /etc/udev/rules.d/70-persistent-net.rules was the file I edited and
> commented all the e1000 and igb lines. Restarted and now I can ping and see
> the Proxmox GUI. I checked the persistent-net file again but there are no
> lines added and my commented lines are still there. Hope this doesn't change
> anything in the short or long run.
>
>
> Much thanks for all the great tips I got here.
>
>
>
> On Wed, May 18, 2011 at 4:34 AM, Felix Krohn <felix.krohn at ovh.net> wrote:
>
>> * Bruce B <bruceb444 at gmail.com> [2011-05-17 17:54]:
>> >    So, if I take out the HDDs and attach to the new board, should I
>> expect
>> >    Proxmox to come up fine and all the KVMs and VMs to run smoothly
>> after it
>> >    finds the new board?
>>
>> In my experience yes, although udev might rename your network
>> interfaces, thus breaking vmbridge connectivity.
>> Cleaning up /etc/udev/rules.d/*persistent-net.rules (removing the lines
>> with the old MAC address) should be enough to fix or prevent this (be
>> careful, this line will be re-created during boot-up)
>>
>> About the raid thing: don't use fakeraid :)
>>
>> As Martin says, real hardware RAID is the best option, but that doesn't
>> mean that regular Linux SoftRaid (mdadm) won't work - it does work, but
>> isn't supported officially.
>>
>> Best regards,
>> Felix
>>
>
>
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