Re: [Xen-users] Is there a maximum limit for the domU memory ?

["Fajar A. Nugraha" <list@xxxxxxxxx>]

On Wed, Feb 15, 2012 at 2:40 PM, Emmanuel COURCELLE
<emmanuel.courcelle@xxxxxxxxxxxxxxxx> wrote:
> Hello everybody
>
> The current limit (we're working with Xen 4.0.1 on a debian squeeze server)
> for the domU memory is 256 Gb
>
> Is it possible to do something to get domUs with more than that ?

Should be possible.

>
> Do we have to upgrade Xen hypervisor for that purpose or is a kernel
> recompilation sufficient ?

>From my kernel's config:
CONFIG_XEN_MAX_DOMAIN_MEMORY=128

Just adjust it as necessary and recompile the kernel

> We would like to have a vm with 768 Gb memory...

Check Oracle VM, IIRC they boast the ability to run a VM with lots of
domU CPU and memory, so they should have everything configured already
for what you want.

-- 
Fajar

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