[Kimchi-devel] [RFC] Shutdown VM graceful

[Aline Manera]

My vote is for option 2 too

On 04/08/2014 12:57 PM, Adam King wrote:
> 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
>>
>>
>