[pve-devel] qemu-server : allow only hotpluggable|dynamics options to be change online

[Stefan Priebe - Profihost AG]

Did you see my patches posted earlier this year? I already did the same.

I can post also an up2date version. There are some corner cases. Like mem with virtio.

Stefan

Excuse my typo sent from my mobile phone.

> Am 04.09.2014 um 15:50 schrieb Alexandre Derumier <aderumier at odiso.com>:
> 
> Hi,
> 
> This is a first try for filtering options change of running vms.
> 
> Only hotplugable values (disk,nic,cpu), dynamics values (disk throttle, cdrom media change,balloon,..),
> and some options (name,onboot,...)
> are allowed.
> 
> The main idea is to always have a config which is the same than running qemu guest.
> 
> This help to avoid hanging live migration, if config have changed but qemu process not yet restarted.
> This also avoid confusion for users (need to stop/start after config change)
> and also helping with hotplugging to be sure that we have a config equal to current qemu disk/controllers.
> 
> I'm also thinking to improve pve-manager to grey-out non modifiable values when vm is running.
> 
> review and comments are welcome !
> 
> 
> 
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