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xen-devel
Re: [Xen-devel] Xen 64 but supported memory limit
SLE11 in its current shape is successfully running on a 1Tb system (and the
hypervisor has been validated to work fine with 1Tb for much longer, it was
really the Dom0 kernel that had issues when not passing a dom0_mem=
option).
And if anyone cares, I've got a pretty simple patch to bump the limit to 5Tb.
Going beyond that will very likely require more extensive changes.
Jan
>>> Keir Fraser <keir.fraser@xxxxxxxxxxxxx> 14.07.09 23:55 >>>
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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