[pve-devel] [PATCH V2] - fix setting migration parameters

[Dietmar Maurer]

> Cleaner code. Nobody expects that those values were set at vm start.

We set that since version 1.0 - so 'everybody' expect that this value is set at startup.

> >> - lower default migration downtime value to 0
> >
> > We do not want that, because this is known to cause long wait times on
> busy VMs.
> 
>  A value of 1 does not work for me. Whole vm stalls immediately and socket
> is unavailable. Migration than takes 5-10 minutes of an idle vm.

So this is a qemu bug - we should try to fix that.

Else any VM which use migrate_downtime is broken!