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Re: [Xen-devel] Xen 64 but supported memory limit

To: "Chou, David Y" <david.y.chou@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Xen 64 but supported memory limit
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Tue, 14 Jul 2009 22:55:38 +0100
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Thread-topic: [Xen-devel] Xen 64 but supported memory limit
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The current limit is theoretically 1TB, but that should be easily
increasible. I think the largest tested memory configuration is 256GB. Max
per VM I think may actually be limited only by available memory.

 -- Keir

On 14/07/2009 21:53, "Chou, David Y" <david.y.chou@xxxxxxxx> wrote:

> Hello,
> We are looking to use Xen as our hypervisor. However, after doing some
> research it¹s still not clear as to the amount of memory Xen 64bit can
> support? The highest I¹ve found is 4TB of physical memory. For the host VM¹s,
> I¹ve found several statements that indicated that the max per VM was 32GB. Are
> these numbers accurate? And can these limits be removed or increased?
> Thanks,
> Dave

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