[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Re: [Xen-users] Xen viridian support/features
On Fri, Jul 24, 2009 at 8:56 PM, Florian Manschwetus<florianmanschwetus@xxxxxx> wrote: > Am 24.07.2009 21:31, schrieb Andrew Lyon: >> >> On Fri, Jul 24, 2009 at 3:40 PM, Florian >> Manschwetus<florianmanschwetus@xxxxxx> wrote: >>> >>> Uhm, just to get clear in this topic, >>> the great work of James is not that useful as it supposed in this thread. >>> It >>> leaks reliable support for exactly those Windows Versions with best >>> Hyper-V >>> integrations. >>> So there is the choice to exploit Hyper-V guest integration services or >>> absolutely ugly hacking around in a win2008 x64 guest policies with a >>> real >>> great chance to get the guest perfectly and unrecoverable meshed up. >>> So it would be great at least to have things like shutdown notification >>> out >>> of the box, as it will be with an viridian interface implementation >> >> When you say "shutdown notification" I assume you mean dom0 telling a >> hvm guest to shutdown , in which case "xm trigger<domid> power" seems >> to do the job with no additional drivers or services required, and >> should work on most operating systems. >> >> Perhaps I misunderstood.. > > Hm no it is fine but when I shutdown dom0 the windows system just get killed > (xm shutdown is issued afaik). Furthermore this won't include a back channel Yes thats right when the system shuts down xm shutdown is called, I don't know what happens if a guest fails to shutdown, myself I'd probably want it to be xm destroyed after a timeout as thats probably what I'd end up doing anyway, I could easily modify the script for you so that after trying xm shutdown it sends xm trigger <domid> power to any remaining domains and if any still fail to shutdown I could make it destroy them. Its something I looked into and could do in few minutes, I just didn't bother because all of our servers have remote kvm and 99% of reboots are supervised, but let me know if you'd like me to make a patch for you. Andy > (does it work?) and not every system surely shutsdown when powerbutton is > pressed, maybe there must be a bit configured... > > Florian >> >> Andy >> . >>> >>> Again if xen provides a feature using viridian API win2008 x64 guests >>> would >>> use it without ANY modification. >>> >>> Florian >>> >>> Am 23.07.2009 23:28, schrieb Jeremy Fitzhardinge: >>>> >>>> On 07/23/09 07:27, Tim Deegan wrote: >>>>> >>>>> At 15:19 +0100 on 23 Jul (1248362393), Pasi K?rkk?inen wrote: >>>>> >>>>>> Any plans to write support for paravirtual viridian disk/network >>>>>> backends? >>>>>> (I assume they have stuff like that implemented in hyper-v). >>>>>> >>>>> I don't think anyone's doing that, but there is a choice of Xen PV >>>>> drivers for Windows that will do the job. Are the PV driver interfaces >>>>> even public? I don't remember seeing them in the hyper-v spec, though >>>>> I >>>>> haven't read the latest version. >>>>> >>>> They were implicitly published, at least to some extent, in the form of >>>> the big HyperV PV driver dump for Linux. But I don't think those >>>> drivers are very featureful yet, though they claim to be planning to >>>> release more updates. >>>> >>>> J >>>> >>>> _______________________________________________ >>>> Xen-users mailing list >>>> Xen-users@xxxxxxxxxxxxxxxxxxx >>>> http://lists.xensource.com/xen-users >>>> >>> >>> >>> _______________________________________________ >>> Xen-users mailing list >>> Xen-users@xxxxxxxxxxxxxxxxxxx >>> http://lists.xensource.com/xen-users >>> >> > > > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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