RE: [Xen-users] Xen Can't See all my ram see only 14Giga

[Matej Zary <zary@xxxxxxxxx>]

When you run Xen kernel, the Linux machine becomes "virtual machine" - the Xen 
hypervisor "owns" all hardware resources and provisions them to the running 
virtual machines (one of these virtual machines is your Dom0 linux with xen 
kernel) - so the Xen hypervisor itself needs some own physical RAM to operate. 
Secondly, you DON'T want to have all the available RAM provided to your Dom0, 
there's no need for it and it can even cause some unwanted troubles - 
http://wiki.xensource.com/xenwiki/XenBestPractices.

Regards

Matej Zary

-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Mohamed Kamal
Sent: Monday, May 31, 2010 11:37 AM
To: bart.coninckx@xxxxxxxxxx
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: RE: [Xen-users] Xen Can't See all my ram see only 14Giga

but why it see 14G only
when i switch to normal kernel with PAE its see the 16G switch back to xen 
kernel its 14G




 

 


> 
> ha! PAE is supposed to address up to 64 GB:
> 
> http://wiki.centos.org/FAQ/CentOS5#head-
> d70935212ce3b7b072b0075c1807a4bd3ea175b7
> 
> There is a link to extra kernels in there.


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