On Sep 7, 2011, at 5:29 PM, David Erickson wrote:
> Is there a specific procedure for moving between OVS versions in XenServer?
> I've done this a few times, and frequently I find myself in a situation where
> the xenbr0 device has completely disappeared, and I couldn't find a way to
> restore it other than re-installing Xen. In particular I believe I've had
> success doing an rpm upgrade to newer Xen versions, however I think any time
> I've removed the OVS rpm's to install an older version I've lost the xenbr0
> instance. Any tips/suggestions are welcome.
Are you losing xenbr0 after you've done the uninstall and before the new
install? If so, you probably should switch the networking back-end to "bridge"
before you do the uninstall:
xe-switch-network-backend bridge
After you've done the install, switch it back to OVS:
xe-switch-network-backend vswitch
As you indicated, a pure RPM upgrade of OVS should work fine.
Let us know if I've misunderstood.
--Justin
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