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Re: [Xen-users] Dinamically increase memory of linux domU

from [Fajar A. Nugraha]

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To:	"Angel L. Mateo" <amateo@xxxxx>
Subject:	Re: [Xen-users] Dinamically increase memory of linux domU
From:	"Fajar A. Nugraha" <fajar@xxxxxxxxx>
Date:	Tue, 31 Mar 2009 21:05:59 +0700
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On Tue, Mar 31, 2009 at 5:49 PM, Angel L. Mateo <amateo@xxxxx> wrote:
> xm mem-set galemys4 768   # galemys4 is my domU's name
>
>        With a xm list I can see that memory is assigned to it:

>        but the domU doesn't know that it has now 256MB more.

What OS you run on domU? Is it PV or HVM?

AFAIK, the new pv_ops kernel does not support adding memory online yet
(only balloon down and back). With older xenified-kernels (like
Redhat's kernel-xen), it should work with newer updates. I have RHEL
5.3 with bundled xen and Xen 3.3.1, both can balloon up correctly.

Older version (I can remember which one) doesn't work correctly, and
behaves similar to what you described.

Regards,

Fajar

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