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Re: balloon manipulation within a domU?

On 24 July 2012 07:33, Aaron J. Grier <agrier%poofygoof.com@localhost> wrote:
> most of my VMs sit idle, so trading off memory between them depending on
> load with the balloon driver so I can overcommit seems like a good idea.
> manipulating a NetBSD domU's memory seems to work fine with "xl
> mem-set", but trying to manipulate this within the domU with "sysctl -w
> machdep.xen.balloon.target=XXXX" yields "error 13, couldn't write xenbus
> target node".

Hi Aaron,

Could you post what
# xenstore-ls

says from the dom0 ?
There should be an entry for memory/target

> is there something I need to enable in my xen configuration to allow a
> domU to do its own balloon requests?


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