Xen users - Sep 2010 - XCP - adding memory to the control domain.

Hi,

just a quick question - is it possible to add/edit physical memory on 
host control domain? (Preferably on the fly.)
I have a server with 12GB RAM, but XCP only shows 500MB. I tried to add 
more memory with

xe vm-param-set memory-static-min=<value> memory-dynamic-min=<value>
uuid=<uid>

but I get only error message stating that it expects a halted, not 
running machine.

There wouldn''t be problem to potentialy halt a client VM, but this is a
control host domain, so I don''t see a way how to perform commands on 
halted machine.

Thanks in advance.

Best regards
-- 
~ Daniel Portwood.


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2010-09-19 08:00 keltezéssel, Daniel Sintaj írta:
> Hi,
>
> just a quick question - is it possible to add/edit physical memory on
> host control domain? (Preferably on the fly.)
> I have a server with 12GB RAM, but XCP only shows 500MB. I tried to
> add more memory with
>
> xe vm-param-set memory-static-min=<value>
memory-dynamic-min=<value>
> uuid=<uid>
>
> but I get only error message stating that it expects a halted, not
> running machine.
>
> There wouldn''t be problem to potentialy halt a client VM, but this
is
> a control host domain, so I don''t see a way how to perform
commands on
> halted machine.
>
> Thanks in advance.
>
> Best regards
If you would edit /boot/extlinux.conf on the control domain you would
see, that the second menu entry (xe-serial) has a dom0_mem option. If
you use the standard (graphical) xe menu entry then you would need to
put a similar dom0_mem option in it. However you will need to reboot the
whole control domain for your changes to take effect.

Good Luck

Geza

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