[vm-bhyve] Windows 2012 and 2016 servers guests would not stop

[Victor Sudakov]

Rodney W. Grimes wrote:
> > > 
> > > I've noticed that it takes too long for Windows 2012 and 2016 servers
> > > guests to shutdown when I issue "vm stopall," several minutes even.
> > > 
> > > Does vm-bhyve provide a way to power them off ungracefully if they would
> > > not stop within a predefined time?
> > > 
> > > Or is there perhaps a way to tune the guest OSes to react more promptly
> > > to an ACPI shutdown?
> > > 
> > > My primary concern is that my UPS and "apcupsd --kill-on-powerfail" give
> > > me about 30 seconds of grace time before the power supply is cut out. It
> > > is not sufficient for the bhyve box to shutdown shutdown properly
> > > because it waits for the guests to shutdown.
> > 
> > For the present I think I've found a workaround not directly related to
> > vm-bhyve.  I'm going to insert "service vm stop" into the doshutdown()
> > procedure in /usr/local/etc/apcupsd/apccontrol before the actual
> > ${SHUTDOWN}. It should give the VMs sufficient time to shutdown before
> > the actual /sbin/shutdown is executed.
> 
> Make sure it does not do the waitall for pids or your going to
> sit here waiting for that to complete for a long time, ie until
> all vm's go to power off.

In fact, this is my intention to sit here waiting for all VM's to go power off.

I can configure apcupsd to start the doshutdown() routine when there is
enough power in the UPS, like maybe for 20-30 minutes.

> > > If you know of a better way to configure apcupsd so that it powers down
> > > the UPS only after all the guest OSes and other daemons are safely down,
> > > I'd appreciate that too.
> > 
> > Do you think the above hack would have any negative effects?
> 
> I think this is a reasonable approach given the current situation.
> 

-- 
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
2:5005/49 at fidonet http://vas.tomsk.ru/
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