Hi all, i have a question about Xen Hypervisor. Im a beginner in this area and sry if my question are stupid or something :-) For a project i will use Xen Hypervisor and Windows Server 2008 R2 with Hyper2. My question is: Can i use Hyper-V in a Xen-based VM, so as a VM in a VM (Cause Hyper-V needs VT)?I looked in the documentation and use google but i find nothing. I would be very grateful for help! :-) Best regards, Dominik -- NEU: FreePhone 3-fach-Flat mit kostenlosem Smartphone! Jetzt informieren: http://mobile.1und1.de/?ac=OM.PW.PW003K20328T7073a
Hello Dominik, Your question got me a little curious, because I know that Hyper-V is a bit of a stickler for hardware requirements. A bit of light googling and link crawling turned up this: http://www.virtuallyghetto.com/2011/07/how-to-enable-support-for-nested-64bit.html I laughed a little bit when he referred to the nested VMs as "Inception." Great movie :D It seems as though what you want to do will require hardware VT translation on the part of the hypervisor (software virtualization of hardware virtualization? That makes my brain explode a little!). It *can* work, but maybe the devs can speak as to whether or not the feature exists, or at least tell you what its "properly" called. I''m guessing that VMware calls it "VHV," probably short for "Virtualized Hardware-assisted Virtualization." Or something. Hehe. Cheers, Andrew Bobulsky On Mon, Apr 16, 2012 at 9:00 AM, Dominik Lange <Trilab@gmx.de> wrote:> Hi all, > > i have a question about Xen Hypervisor. Im a beginner in this area and sry if my question are stupid or something :-) > > For a project i will use Xen Hypervisor and Windows Server 2008 R2 with Hyper2. > > My question is: > > Can i use Hyper-V in a Xen-based VM, so as a VM in a VM (Cause Hyper-V needs VT)?I looked in the documentation and use google but i find nothing. > > I would be very grateful for help! :-) > > Best regards, > > Dominik > -- > NEU: FreePhone 3-fach-Flat mit kostenlosem Smartphone! > Jetzt informieren: http://mobile.1und1.de/?ac=OM.PW.PW003K20328T7073a > > _______________________________________________ > Xen-users mailing list > Xen-users@lists.xen.org > http://lists.xen.org/xen-users
On Mon, 2012-04-16 at 14:53 +0100, Andrew Bobulsky wrote:> Hello Dominik, > > Your question got me a little curious, because I know that Hyper-V is > a bit of a stickler for hardware requirements. A bit of light > googling and link crawling turned up this: > http://www.virtuallyghetto.com/2011/07/how-to-enable-support-for-nested-64bit.html > > I laughed a little bit when he referred to the nested VMs as > "Inception." Great movie :D > > It seems as though what you want to do will require hardware VT > translation on the part of the hypervisor (software virtualization of > hardware virtualization? That makes my brain explode a little!). It > *can* work, but maybe the devs can speak as to whether or not the > feature exists, or at least tell you what its "properly" called. I''m > guessing that VMware calls it "VHV," probably short for "Virtualized > Hardware-assisted Virtualization." Or something. Hehe.This is called "nested virtualisation" and will be an experimental feature in the upcoming 4.2 release. I''ve seen some reports of it running uniprocessor Hyper-V on AMD hardware, however there are some known issues with it and testing has not been extensive (hence experimental). See <4F5F323D.1020904@amd.com> (on xen-devel) for the situation with Nested-SVM, I''m not aware of any similar list for nested VMX. Please check the xen-devel archives for this year, in particular the "Nested SVM" thread referenced above and the entries on the weekly "4.2 TODO" mails (and their sub-threads). Ian.> > Cheers, > Andrew Bobulsky > > On Mon, Apr 16, 2012 at 9:00 AM, Dominik Lange <Trilab@gmx.de> wrote: > > Hi all, > > > > i have a question about Xen Hypervisor. Im a beginner in this area and sry if my question are stupid or something :-) > > > > For a project i will use Xen Hypervisor and Windows Server 2008 R2 with Hyper2. > > > > My question is: > > > > Can i use Hyper-V in a Xen-based VM, so as a VM in a VM (Cause Hyper-V needs VT)?I looked in the documentation and use google but i find nothing. > > > > I would be very grateful for help! :-) > > > > Best regards, > > > > Dominik > > -- > > NEU: FreePhone 3-fach-Flat mit kostenlosem Smartphone! > > Jetzt informieren: http://mobile.1und1.de/?ac=OM.PW.PW003K20328T7073a > > > > _______________________________________________ > > Xen-users mailing list > > Xen-users@lists.xen.org > > http://lists.xen.org/xen-users > > _______________________________________________ > Xen-users mailing list > Xen-users@lists.xen.org > http://lists.xen.org/xen-users
Hi Andrew, thanks for your fast answer and your effort:-). Yes, what i want to do requires VT- Hardware. I want to use a demo version from a sap component called SAP NetWeaver Gateway 2.0. This component requires Suse or HyperV and i must use HyperV. That sucks. ;) And cause i have no Server i just can use a VM for run a VM. the link you sent me uses sphere 5, but i have only a license for sphere 4. And this version does not support VT and HyperV :(. For this reason i wanted to try to work with Xen as an alternative to vsphere. Thats my problem and my question. :) But "Inception" is really a great Movie and the reference is nice xD. Thanks and best regards, Dominik -------- Original-Nachricht --------> Datum: Mon, 16 Apr 2012 09:53:19 -0400 > Von: Andrew Bobulsky <rulerof@gmail.com> > An: Dominik Lange <Trilab@gmx.de> > CC: xen-users@lists.xen.org > Betreff: Re: [Xen-users] Hyper V with Xen> Hello Dominik, > > Your question got me a little curious, because I know that Hyper-V is > a bit of a stickler for hardware requirements. A bit of light > googling and link crawling turned up this: > http://www.virtuallyghetto.com/2011/07/how-to-enable-support-for-nested-64bit.html > > I laughed a little bit when he referred to the nested VMs as > "Inception." Great movie :D > > It seems as though what you want to do will require hardware VT > translation on the part of the hypervisor (software virtualization of > hardware virtualization? That makes my brain explode a little!). It > *can* work, but maybe the devs can speak as to whether or not the > feature exists, or at least tell you what its "properly" called. I''m > guessing that VMware calls it "VHV," probably short for "Virtualized > Hardware-assisted Virtualization." Or something. Hehe. > > Cheers, > Andrew Bobulsky > > On Mon, Apr 16, 2012 at 9:00 AM, Dominik Lange <Trilab@gmx.de> wrote: > > Hi all, > > > > i have a question about Xen Hypervisor. Im a beginner in this area and > sry if my question are stupid or something :-) > > > > For a project i will use Xen Hypervisor and Windows Server 2008 R2 with > Hyper2. > > > > My question is: > > > > Can i use Hyper-V in a Xen-based VM, so as a VM in a VM (Cause Hyper-V > needs VT)?I looked in the documentation and use google but i find nothing. > > > > I would be very grateful for help! :-) > > > > Best regards, > > > > Dominik > > -- > > NEU: FreePhone 3-fach-Flat mit kostenlosem Smartphone! > > Jetzt informieren: http://mobile.1und1.de/?ac=OM.PW.PW003K20328T7073a > > > > _______________________________________________ > > Xen-users mailing list > > Xen-users@lists.xen.org > > http://lists.xen.org/xen-users-- Empfehlen Sie GMX DSL Ihren Freunden und Bekannten und wir belohnen Sie mit bis zu 50,- Euro! https://freundschaftswerbung.gmx.de
Hi Ian, thanks for your good answer :-) Nested virtualization sounds good. I''ll be watching your sources and will contact you again. :-) Thanks for that and best regards, Dominik -------- Original-Nachricht --------> Datum: Mon, 16 Apr 2012 15:10:51 +0100 > Von: Ian Campbell <Ian.Campbell@citrix.com> > An: Andrew Bobulsky <rulerof@gmail.com> > CC: "xen-users@lists.xen.org" <xen-users@lists.xen.org>, Dominik Lange <Trilab@gmx.de> > Betreff: Re: [Xen-users] Hyper V with Xen> On Mon, 2012-04-16 at 14:53 +0100, Andrew Bobulsky wrote: > > Hello Dominik, > > > > Your question got me a little curious, because I know that Hyper-V is > > a bit of a stickler for hardware requirements. A bit of light > > googling and link crawling turned up this: > > > http://www.virtuallyghetto.com/2011/07/how-to-enable-support-for-nested-64bit.html > > > > I laughed a little bit when he referred to the nested VMs as > > "Inception." Great movie :D > > > > It seems as though what you want to do will require hardware VT > > translation on the part of the hypervisor (software virtualization of > > hardware virtualization? That makes my brain explode a little!). It > > *can* work, but maybe the devs can speak as to whether or not the > > feature exists, or at least tell you what its "properly" called. I''m > > guessing that VMware calls it "VHV," probably short for "Virtualized > > Hardware-assisted Virtualization." Or something. Hehe. > > This is called "nested virtualisation" and will be an experimental > feature in the upcoming 4.2 release. > > I''ve seen some reports of it running uniprocessor Hyper-V on AMD > hardware, however there are some known issues with it and testing has > not been extensive (hence experimental). See <4F5F323D.1020904@amd.com> > (on xen-devel) for the situation with Nested-SVM, I''m not aware of any > similar list for nested VMX. > > Please check the xen-devel archives for this year, in particular the > "Nested SVM" thread referenced above and the entries on the weekly "4.2 > TODO" mails (and their sub-threads). > > Ian. > > > > > Cheers, > > Andrew Bobulsky > > > > On Mon, Apr 16, 2012 at 9:00 AM, Dominik Lange <Trilab@gmx.de> wrote: > > > Hi all, > > > > > > i have a question about Xen Hypervisor. Im a beginner in this area and > sry if my question are stupid or something :-) > > > > > > For a project i will use Xen Hypervisor and Windows Server 2008 R2 > with Hyper2. > > > > > > My question is: > > > > > > Can i use Hyper-V in a Xen-based VM, so as a VM in a VM (Cause Hyper-V > needs VT)?I looked in the documentation and use google but i find nothing. > > > > > > I would be very grateful for help! :-) > > > > > > Best regards, > > > > > > Dominik > > > -- > > > NEU: FreePhone 3-fach-Flat mit kostenlosem Smartphone! > > > Jetzt informieren: http://mobile.1und1.de/?ac=OM.PW.PW003K20328T7073a > > > > > > _______________________________________________ > > > Xen-users mailing list > > > Xen-users@lists.xen.org > > > http://lists.xen.org/xen-users > > > > _______________________________________________ > > Xen-users mailing list > > Xen-users@lists.xen.org > > http://lists.xen.org/xen-users > > > > _______________________________________________ > Xen-users mailing list > Xen-users@lists.xen.org > http://lists.xen.org/xen-users-- Empfehlen Sie GMX DSL Ihren Freunden und Bekannten und wir belohnen Sie mit bis zu 50,- Euro! https://freundschaftswerbung.gmx.de
Nested virtualization is a bad idea. If you want reliability and performance, just get some additional hardware and then deploy Hyper-V and Xen directly onto separate hardware. Don''t try nesting them inside each other. -----Original Message----- From: xen-users-bounces@lists.xen.org [mailto:xen-users-bounces@lists.xen.org] On Behalf Of Dominik Lange Sent: Monday, April 16, 2012 8:01 AM To: xen-users@lists.xen.org Subject: [Xen-users] Hyper V with Xen Hi all, i have a question about Xen Hypervisor. Im a beginner in this area and sry if my question are stupid or something :-) For a project i will use Xen Hypervisor and Windows Server 2008 R2 with Hyper2. My question is: Can i use Hyper-V in a Xen-based VM, so as a VM in a VM (Cause Hyper-V needs VT)?I looked in the documentation and use google but i find nothing. I would be very grateful for help! :-) Best regards, Dominik -- NEU: FreePhone 3-fach-Flat mit kostenlosem Smartphone! Jetzt informieren: http://mobile.1und1.de/?ac=OM.PW.PW003K20328T7073a _______________________________________________ Xen-users mailing list Xen-users@lists.xen.org http://lists.xen.org/xen-users