[Kimchi-devel] [RFC] - Guest Memory/CPU warning

[Rodrigo Trujillo]

Good point.
+1


On 04/24/2014 02:40 PM, Adam King wrote:
> We probably also need a warning message in the event a user tries to 
> start a VM that the host can't accommodate. The user can alter the VM 
> settings outside kimchi, or they could alter the physical hardware of 
> the host.
>
>
> On 4/24/2014 1:35 PM, Adam King wrote:
>> I would suggest an improvement on your b options to be c: change from 
>> a text input box to selection list, and only offer valid choices.
>>
>>
>> On 4/24/2014 11:20 AM, Rodrigo Trujillo wrote:
>>> Hi all,
>>>
>>> we have recently merged the patches that allow user to change guest 
>>> memory and cpu.
>>> When user change this parameters, we have some problems:
>>>
>>>     1- If user assigned more virtual cpus than the amount in the 
>>> host and start the VM, VM will start normally, but the host server 
>>> will have the performance heavily declined.
>>>
>>>     2- If user assigned more virtual memory than the physical amount 
>>> in the host, the VM does not start and qemu throws an exception like 
>>> "Cannot allocate memory."
>>>
>>> Solutions:
>>>
>>>     1a - Show the number of host physical CPUs in edit Template and 
>>> edit Guest windows, then warn the user if he assigns a higher number
>>>     1b - Show the number of host physical CPUs in edit Template and 
>>> edit Guest windows, then does not allow to set up a higher number 
>>> (generate a error during edition)
>>>
>>>     2a - Show the host MEMORY amount in edit Template and edit Guest 
>>> windows, then warn the user if he assigns a higher number
>>>     2b - Show the host MEMORY amount in edit Template and edit Guest 
>>> windows, then does not allow to set up a higher number (generate a 
>>> error during edition)
>>>
>>>     - A third option would be check the numbers before start a guest 
>>> and warn the user, or does not allow the vm to be started.
>>>
>>>
>>> I would like to implement 1a and 2b.
>>> Do you have any thoughts or concerns/suggestions ?
>>>
>>> Rodrigo Trujillo
>>>
>>> _______________________________________________
>>> Kimchi-devel mailing list
>>> Kimchi-devel at ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/kimchi-devel
>>>
>>
>