Re: The problems about COLO

[Lukas Straub]

On Thu, 31 Oct 2019 17:05:20 +0800
Daniel Cho <address@hidden> wrote:

> Hello all,
> I have some questions about the COLO.
> 1)  Could we dynamic set fault tolerance feature on running VM?
> In your document, the primary VM could not  start first (if you start
> primary VM, the secondary VM will need to start), it means to if I
> want this VM with fault-tolerance feature, it needs to be set while
> we boot it.

Hi Daniel,
Yes, this is possible as long you have a quorum block node. The rest
can be added while running.

> 2)  If primary VM or secondary VM broke, could we start the third VM
> to keep fault tolerance feature?

I'm currently working on this, see my latest PATCH series here:
https://lore.kernel.org/qemu-devel/address@hidden/

>
> Best regard,
> Daniel Cho.