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Re: [Xen-users] Problem with 2.6.30 domU

from [Fajar A. Nugraha]

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To:	Jia Rao <rickenrao@xxxxxxxxx>
Subject:	Re: [Xen-users] Problem with 2.6.30 domU
From:	"Fajar A. Nugraha" <fajar@xxxxxxxxx>
Date:	Mon, 30 Nov 2009 12:19:46 +0700
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On Mon, Nov 30, 2009 at 12:13 PM, Jia Rao <rickenrao@xxxxxxxxx> wrote:
> When I ran the domU (2.6.30) with xen 3.1, 2.6.18 dom0, there was a problem.
>
> I can not change the memory configuration of the domU on the fly.

well, that's pretty much how it is :D

short recap of what I found so far of various kernel when used as PV domU:
kernel 2.6.18:
- can change memory/CPU on the fly, with the correct domU config
- can live migrate

suse's kernel-xen (I use 2.6.29):
- can change memory/CPU on the fly
- can't migrate (to be exact: "xm save" part failed)

pv_ops (including Fedora and Ubuntu's kernel):
- can't change memory/CPU on the fly (you can shrink, but you can't grow)
- can't migrate

-- 
Fajar

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