[libvirt] save-image-edit fails to change the memory configuration of the image

[Jiri Denemark]

On Mon, Dec 09, 2013 at 12:43:28 +0530, Shivaprasad bhat wrote:
> Hi,
> 
> I see the below error when i change the memory.
> 
> virsh save-image-edit /MANAS/rhel7VM1-running-save2 --running
> error: unsupported configuration: Target domain max memory 4194304
> does not match source 2097152
> Failed. Try again? [y,n,f,?]: n
> error: unsupported configuration: Target domain max memory 4194304
> does not match source 2097152
> 
> Any idea why is this disallowed ?

You can only change parameters that don't change guest ABI. Changing
maximum memory changes this ABI (it changes what hardware the guest OS
sees). Not to mention that you can't increase max memory for a running
domain anyway as memory hotplug is not implemented yet.

Jirka