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xen-users
Re: [Xen-users] Re: Hardware differences for 2 xen servers?
Hi,
>> My question is, how close to the dom0 servers need to be to run a
>> domU on either?
>> Do they need to be the same hardware type.. etc etc etc?
Nope, because the dom0 provides a nice hardware abstraction layer.
this can be very wrong if you want to use (live)-migration!
If you just want to start a VM, shutdown it later and restart it on the
other server, the two machines can be different.
But if you want to use such cool things like live-migration for s.th.
like loadbalancing or maintanance between two servers they should be the
same as possible. That doesn't mean that the destination-server could
not have faster/more CPU or more RAM, but the CPU and possibly also the
chipset should be the same family!
Otherwise it can happen during live-migration that on the source-system
the CPU is in a status that is not compatible with the
destination-system and the VM will crash.
--
Chau y hasta luego,
Thorolf
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