Re: [Xen-users] Changing domain 0 memory

[Mark Williamson <mark.williamson@xxxxxxxxxxxx>]

You don't need to restart domains to change their memory allocation, this 
includes dom0.

Use "xm balloon domid target-mb" to request a domain to "balloon" its memory 
to the target value.

Use "xm maxmem domid max-mb" to subsequently tell Xen to prevent the domain 
unballooning to more than "max-mb"

If you try to reduce a domain to something too small then it'll have out of 
memory problems - just think twice when you balloon so you don't shoot 
yourself in the foot ;-)

Cheers,
Mark

On Thursday 14 April 2005 19:00, Kenneth Power wrote:
> With no 0 domains, I can change the memory dedicated by:
>   1. Changing the appropriate line in the domain config file
>   2. Restarting the domain
>
> Is it possible to do something similar with domain 0, without
> rebooting the machine?
>
> Something like:
>   1. Change the memory amount
>   2. Shutdown domain 0 to only XEN kernel
>   3. Restart domain 0
>
> Kenneth Power
>
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> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users

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