RE: [Xen-users] maximun memory for windows domU

[Nathan Eisenberg <nathan@xxxxxxxxxxxxxxxx>]

To clarify, as I have now had multiple people email me off-list:

You'd need 20.25 GB installed so that you have memory for the Dom0.  Since 
you're unlikely to install this amount of memory (your next likely RAM quantity 
would be 24GB), there's no problem.  My point was just that you can't forget 
that Dom0 and the hypervisor are their own systems, and need memory to 
function.  :)

Also, I had someone ask about whether Windows would see it (due to the 
oft-misunderstood memory 'limitations' of 32-bit Windows) - this link is handy. 
 http://msdn.microsoft.com/en-us/library/aa366778(VS.85).aspx

So you'll either want to use Enterprise or Datacenter (which support 64GB of 
memory in 32bit mode), or use a 64-bit version of any edition.  I've heard 
reports that 64bit Windows seems to perform better in HVM than 32 bit, so that 
might be a good idea anyways.

Best Regards
Nathan Eisenberg
Sr. Systems Administrator
Atlas Networks, LLC
support@xxxxxxxxxxxxxxxx
http://support.atlasnetworks.us/portal


-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Nathan Eisenberg
Sent: Monday, June 29, 2009 8:31 AM
To: xen-users
Subject: Re: [Xen-users] maximun memory for windows domU

If you have 20.25 gb of memory installed, yes.
Best Regards,
Nathan Eisenberg
Sr. Systems Administrator
Atlas Networks, LLC

Sent from my BlackBerry

-----Original Message-----
From: Alberto Asuero Arroyo <albertoasuero@xxxxxxxxx>

Date: Mon, 29 Jun 2009 17:29:28 
To: xen-users<xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-users] maximun memory for windows domU


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