[Wylug-discuss] Memory limit on Xen domain U

John Leach john at johnleach.co.uk
Tue Sep 11 10:45:53 BST 2007


Hi Owen,

thanks for confirming this.  I've just read that the 4gig limit was in
Xen 2.0 and was fixed in Xen 3.0.

Thanks for the talk.  It was great to hear about Xen from someone who
has deployed so much of it.  Big turn out too, so it seems a hot topic
at the moment.

John.

On Tue, 2007-09-11 at 07:44 +0100, Dr A V Le Blanc wrote:
> Thanks to everyone who came last night.  Just a note: I have this
> morning created a Xen domain U on a 32-bit host and given it
> 5gb of memory.  The machine came up without a problem and has 5gb
> of memory.  For
> 
> collins 07:38:57> free
>              total       used       free     shared    buffers     cached
> Mem:       5243028      89980    5153048          0       3244      15304
> -/+ buffers/cache:      71432    5171596
> Swap:      1048568          0    1048568
> collins 07:38:59> uname -a
> Linux collins 2.6.18-5-xen-686 #1 SMP Thu Aug 30 06:00:04 UTC 2007 i686 GNU/Linux
> collins 07:39:06> logout
> 
> Debian GNU/Linux 4.0 collins tty1
> 
> collins login: dart 07:42:30 > cat collins.conf
> name="collins"
> memory=5120
> kernel="/boot/vmlinuz-2.6.18-5-xen-686"
> ramdisk="/boot/initrd.img-2.6.18-5-xen-686"
> root="root=/dev/hda2 ro ignorebiostables"
> vif=[ 'mac=0E:00:00:00:00:41' ]
> disk=[ 'phy:all/collinsroot,hda2,w', 'phy:all/collinsswap,hda5,w' ]
> dart 07:42:37 >
> 
> I should say that the dom0 kernel, the domU kernel, and the hypervisor
> were all compiled with PAE.
> 
>      -- Owen

-- 
http://johnleach.co.uk




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