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xen-users
Re: [Xen-users] Using PVM with pciback.hide and live-migration
> I'm writing a documentation about HA with VMs using Xen hypervisors
> and the pciback.hide functionality.
Sounds interesting.
> I'm imagining a scene with 3
> NIC's. the NIC eth0 is the bridge to LAN. eth1 and eth2 is a load
> balance between 2 intenet links. Well, if I will be using the eth1 and
> eth2 with the option pciback.hide, I need to live-migration function
> the same PCI addressing and the same mac address. It's correct? Now,
> before I continue, is possible use VM live-migration with a NIC via
> pciback.hide considering the same PCI address and MAC address in both
> servers?
I'm afraid you can't migrate a domain that has direct access to PCI
devices :-(
Do you really need to be able to migrate the domain that's controlling the
ethernet cards? What are you trying to achieve? How about running a more
conventional Linux HA setup (e.g. one domain takes over if the other one
crashes / ceases to respond to heartbeat / something like that)?
Cheers,
Mark
--
Dave: Just a question. What use is a unicyle with no seat? And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!
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