Re: [Xen-users] kernel module responsible for a graceful shutdown in a HVM guest

[Bart Coninckx <bart.coninckx@xxxxxxxxxx>]

On 11/01/11 02:36, Florian Heigl wrote:
> Hi,
>
> 2011/10/31 Bart Coninckx<bart.coninckx@xxxxxxxxxx>:
> > Any other ideas besides the suggestion of this helpful sir?
> Fix the pacemaker OCF script from Pacemaker to use the triggers for
> HVM domU and commit it back to the OCF people.
> This will help everyone.
>
> Even "grownup" cluster software like Veritas will not come with
> ressource agents that do this out correctly of the box.
>
> Florian
OK, I tested this by creating a new RA with the "xm shutdown $dom" 
command in xen_domain_stop replaced by "xm trigger $dom power".
This works flawlessly provided you have acpid running in the DomU.

In order for a commit to the OCF people  to be useful, I need to test a 
couple more things:
1. will this work too with Windows DomUs (to be tested)
2. can the RA detect before a shutdown that this is a HVM guest and then 
change the shutdown behaviour
3. most importantly: can the RA script check that there is a acpi daemon 
listening for accepting these shutdown requests. If not the stop will 
fail, triggering unwanted behaviour.
I hope to be able to dedicate some time to this in order to commit 
something sensible. In the meantime I just copy the RA script.
If anyone has ideas for 3. , most welcome,

B.

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