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Re: [Xen-users] Hypervisor Memory Limitations on 64-bit Architecture?

To: "Marco Strullato" <marco.strullato@xxxxxxxxx>

From: "Alain Barthe" <ab266061@xxxxxxxxx>

Date: Fri, 18 Jul 2008 09:03:37 +0200

Cc: Joshua West <jwest@xxxxxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx

Delivery-date: Fri, 18 Jul 2008 00:04:16 -0700

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List-id: Xen user discussion <xen-users.lists.xensource.com>

2008/7/18 Marco Strullato <marco.strullato@xxxxxxxxx>:

I believe xen 32 bit has a built in limit of 12 GB of ram...

We currently have 32 bits machines with 16GB of RAM.

Marco

2008/7/17 Joshua West <jwest@xxxxxxxxxxxx>:

> Hey all,
>
> I'm wondering if anybody could shed some light on this subject. Are
> there limitations as to how much RAM a 64-bit Hypervisor will
> recognize/support under the Xen 3.1.x or 3.2.x series (or the upcoming
> 3.3.x if anything has changed)?
>
> >From what I recall, a 32-bit Xen Hypervisor will recognize up to 16GB of
> RAM and a 64-bit Xen Hypervisor will recognize up to 32GB -- but I'm not
> certain on if 32GB is in fact the upper limit for 64-bit Xen.
>
> Thanks.
>
> --
> Joshua West
> Systems Engineer
> Brandeis University
> http://www.brandeis.edu
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>

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