[Kimchi-devel] [RFC] Shutdown VM graceful

[Adam King]

I would recommend option 2: "shutdown" and "power off"

On 4/8/2014 11:21 AM, Sheldon wrote:
> Currently, stopping guests in Kimchi is not graceful in the sense that 
> the guest becomes 'shut down' immediately. This could be be 
> problematic because guest file systems could become corrupted. Perhaps 
> a warning should be added before a guest is immediately stopped or reset.
>
> kimchi can does not support shutdown by agent, so we can not guarantee 
> we can shutdown graceful.
> User should install agent manully
>
> We can use acpi shutdown a VM. But not all guest os will shutdown the 
> VM even it receive acpi shutdown.
>
> So I have 2 proposal:
>
> 1. only one shutdown API and one shutdown button for UI.
> when user click shutdown, the backend will try to shutdown VM by acpi.
> if 1 minutes timeout, kimchi will destroy the VM forcefully.
>
> 2. support ACPI shutdown and destroy two APIs. support "force off" and 
> "shutdown" 2 buttons in UI.
> "shutdown" means ACPI shutdown. but we can not guarantee it can 
> shutdown the VM.
> If the user find the VM is not shutdown for some time, he can try to 
> force power off the VM
>
>

-- 
Adam King <rak at linux.vnet.ibm.com>
IBM C&SI