[qubes-users] Save virtual machine state?

[Vít Šesták]

On pausing: Remember that there are some issues. For example, the VMs resume 
after sleep Also, it seems it does not work well with changes of 
monitor configuration.

On hibernation: This can work with standalone VMs, but it is problematic by 
design on template-based (although probably possible) VMs. once you hibernate a 
VM, you need to remember all the state, including the root filesystem. Unlike 
traditional systems, the root device can be updated outside the VM, just by 
running the TemplateVM. In such case, Qubes has to ensure that the VM won't see 
the changes before reboot. Qubes has some ways to achieve this for running VMs 
(you see, you don't need to shut the template-based VMs down when updating the 
template), but it probably degrades some performance. Having to maintain it for 
some forgotten hibernated VMs would be some unexpected source of performance 
hit. So, it would be probably technically feasible (though maybe not easy), but 
hard for UX.

Regards,
Vít Šesták 'v6ak'

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Re: [qubes-users] Save virtual machine state?

[Loren Rogers]

 Original Message 
 On January 25, 2018 9:54 AM, Chris Laprise  wrote:

>On 01/24/2018 10:33 PM, Loren Rogers wrote:
>>I'm sure this has already been discussed, but is there a way to save the
>> state of a virtual machine, instead of shutting it down? I can't find
>> any info in the docs on what exactly pausing a VM does, but could this
>> be similar?
>>Thanks
>>
>
> Pausing is only in-memory stopping of the VM. Un-pausing makes the VM
> continue running.
>
> Qubes doesn't (yet) support saving to disk like hibernate. If this ever
> does become a feature it will probably be for use with HVMs in Qubes 4.x.
>
>
>
> Chris Laprise, tas...@posteo.net
>https://github.com/tasket
>https://twitter.com/ttaskett
> PGP: BEE2 20C5 356E 764A 73EB  4AB3 1DC4 D106 F07F 1886
>


Thanks Chris - good to know. 
​

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Re: [qubes-users] Save virtual machine state?

[Chris Laprise]

On 01/24/2018 10:33 PM, Loren Rogers wrote:
I'm sure this has already been discussed, but is there a way to save the 
state of a virtual machine, instead of shutting it down? I can't find 
any info in the docs on what exactly pausing a VM does, but could this 
be similar?


Thanks


Pausing is only in-memory stopping of the VM. Un-pausing makes the VM 
continue running.


Qubes doesn't (yet) support saving to disk like hibernate. If this ever 
does become a feature it will probably be for use with HVMs in Qubes 4.x.


--

Chris Laprise, tas...@posteo.net
https://github.com/tasket
https://twitter.com/ttaskett
PGP: BEE2 20C5 356E 764A 73EB  4AB3 1DC4 D106 F07F 1886

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[qubes-users] Save virtual machine state?

[Loren Rogers]

I'm sure this has already been discussed, but is there a way to save the state 
of a virtual machine, instead of shutting it down? I can't find any info in the 
docs on what exactly pausing a VM does, but could this be similar?

Thanks

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