[ILUG] xen and freeing up RAM

[Conor Wynne]

On Tue, Apr 15, 2008 at 11:41 AM, Stephen Burke <steviewdr at skynet.ie> wrote:

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> On Tue, 15 Apr 2008, Conor Wynne wrote:
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> > One thing which is bugging me, when you shutdown a xen VM, shutdown the
> > domain, and even stop the xen daemons, the memory allocated to the vm is
> > still not freed up.
> >
>
> Did you try recreating the VM to see if it takes the memory back? I.e. is
> the memory still been used somewhere or is it just that it appears not be be
> freed up?


If I xm create the vm, then it uses that same memory again. If I xm destroy
it, then create a NEW vm, more memory is taken away.
It doesn't seen right to me...


>
>
> Although its not required, I use the following option in:
> /boot/grub/menu.lst:
> kernel          /boot/xen-3.0-i386.gz dom0_mem=128000
> That forces dom0 only to use 128MB.


Checking mine.... nothing set... I'll set it now and re-test...


>
>
> Rgds,
> Steve Burke
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Conor