Stephen,

sadly, (or luckily?) I don't use Linux on Desktops... So, I simply don't know,
how VBox works on Linux. On Solaris it is a kernel-module, that gets loaded as
needed...

        Matthias

You (Stephen Liu) wrote:
> Hi Matthias,
> 
> 
> >> I have VBox installed. It is now running.  After the completion of
> building its VMs, I'll check whether
> >> they can run simultaneously.
> 
> > I do not believe so! Not both at the same time...
> 
> Both KVM and VBox are installed on the same PC.  But I can't create VM on 
> VBox.  Therefore I remove KVM.
> 
> Ah, a further thought.  My previous concept is if the VM on KVM is inactive 
> the latter is considered as NOT running.  This may not be true.
> 
> 
> How to stop VBox start at boot?  TIA
> 
> 
> I'll reinstall KVM but making it not started at boot to check what will 
> happen.
> 
> 
> B.R.
> Stephen
> 
> 
> 
> 
> 
> 
> ________________________________
> From: Matthias Pfützner <matthias.pfuetz...@sun.com>
> To: sati...@yahoo.com
> Cc: vbox-users@virtualbox.org
> Sent: Tue, February 23, 2010 4:17:06 AM
> Subject: Re: [vbox-users] Convert KVM to VirtualBox
> 
> Stephen,
> 
> -----Ursprüngliche Nachricht-----
> > Von: Stephen Liu <sati...@yahoo.com>
> > Gesendet: 21.2.'10,  14:20
> >
> > Hi Matthias,
> >
> >
> > Thanks for your advice.
> >
> > This virtual machine is for testing only;
> >
> > CPU - AMD Phenom II X4 955
> > RAM - 8G DDR3 1333 dual-channel
> > Host - Fedora 12 64bit
> > VirtualBox-3.1-3.1.4_57640_fedora12-1.x86_64
> >
> >
> >> But, I assume, they can co-exist, but I guess, KVM and VBox can NOT run 
> >> simultaneously, as
> >> both would require exclusive access to the CPU-s virtualization-extensions.
> >
> > I have VBox installed. It is now running.  After the completion of building 
> > its VMs, I'll check whether they can run simultaneously.
> 
> I do not believe so! Not both at the same time...
> 
> > Do folks on the mailing can read;
> > http://forums.virtualbox.org/index.php
> > ???
> 
> Sure, everybody can! But: I don't know, if the really do read both, I, for 
> example, rarely look into the forum...
> 
> > I have a problem running;
> > $ VBoxManage modifyvm "Debian Lenny Server" --hda "Debian_Lenny_Server.vdi"
> > Select all   Expand viewCollapse view
> >     Sun VirtualBox Command Line Management Interface Version 3.1.4
> >     (C) 2005-2010 Sun Microsystems, Inc.
> >     All rights reserved.
> >
> >     ERROR: Could not find a storage controller named 'IDE Controller'
> >     Details: code VBOX_E_OBJECT_NOT_FOUND (0x80bb0001), component Machine, 
> > interface IMachine, callee nsISupports
> >     Context: "AttachDevice(Bstr("IDE Controller"), 0, 0, 
> > DeviceType_HardDisk, uuid)" at line 556 of file VBoxManageModifyVM.cpp
> > - end -
> >
> >
> > This is a SATA HD
> 
> --hda is an IDE disk, and as you state yourself, that you have a SATA disk in 
> the image, you need to specify the name of a SATA disk. You need to chek the 
> user guide, I'm offline...
> 
> > I posted my problem on the said forum.  Do I need repeat it on this mailing 
> > list?
> 
> If you want to reach the users of the forum as well as the readers of this 
> mailinglist, then, yes, you need to repeat it here...
> 
>    Matthias
> 
> > B.R.
> > Stephen
> >
> > ---------------
> > From: Matthias Pfützner <matthias.pfuetz...@sun.com>
> > To: sati...@yahoo.com
> > Cc: vbox-users@virtualbox.org
> > Sent: Sun, February 21, 2010 8:20:30 PM
> > Subject: Re: [vbox-users] Convert KVM to VirtualBox
> >
> > W.r.t. KVM and VBox running side by side...
> >
> > I've never tried it (as for me, KVM is still playgrond, and not yet 
> > DC-ready, and has a couple of deficiencies, like: It's missing all 
> > resource-management stuff, that for example Solaris offers, or that vbox or 
> > Xen or evem VMware offers: Secure separation of resources. With KVM, there 
> > is no such thing, as it doesn't provide a clean and separable "management" 
> > layer, instead it's using a standard and "normal" Linux. Sadly in that 
> > Linux, there no finegrained resource-managment like in Solaris, therefor 
> > limiting one guest and controlling it is tedious...).
> >
> > But, I assume, they can co-exist, but I guess, KVM and VBox can NOT run 
> > simultaneously, as both would require exclusive access to the CPU-s 
> > virtualization-extensions...
> >
> > And, the question of P2V-tools is still a work-in-progress, the only 
> > quite-well working tool is a VMware tool, designed to generate 
> > VMware-compatible guests. I've not yet seen reliable general purpose tools 
> > for anything else...
> >
> > Matthias
> >
> > -----Ursprüngliche Nachricht-----
> >> Von: Stephen Liu <sati...@yahoo.com>
> >> Gesendet: 21.2.'10,  3:17
> >>
> >> Hi Matthias,
> >>
> >>> Build vbox? No need to! Just install vbox!
> >>
> >> Whether install VBox on Fedora 12 (the host of the running Virtual 
> >> Machine)?  Can VBox and KVM coexist running side by side?
> >>
> >> Others noted with thanks.  My purpose to convert KVM VM to VBox VM is 
> >> solely to learn this technique.  Particularly I'm interested to learn 
> >> dumping a running physical box as VM.  Personally I prefer clean 
> >> installation.
> >>
> >> B.R.
> >> Stephen
> >>
> >>
> >> ---------------
> >> From: Matthias Pfützner <matthias.pfuetz...@sun.com>
> >> To: sati...@yahoo.com
> >> Cc: vbox-users@virtualbox.org
> >> Sent: Sat, February 20, 2010 9:54:55 AM
> >> Subject: Re: [vbox-users] Convert KVM to VirtualBox
> >>
> >> -----Ursprüngliche Nachricht-----
> >>> Von: Stephen Liu <sati...@yahoo.com>
> >>> Gesendet: 20.2.'10,  16:28
> >>>
> >>> Hi Matthias,
> >>>
> >>> Thanks for your advice.
> >>>
> >>> I'm prepared to build VBox on the same PC which is now running KVM and 
> >>> Fedora 12 64bit as host.  Because Fedora 12 freezes frequently while 
> >>> browsing Internet.  Adding to it I can't make libvirt to allow VM to work 
> >>> on sound.  Therefore I'll wipe out the PC and build VBox on it running 
> >>> Debian 5.0.4 64bit as host.
> >>
> >> Build vbox? No need to! Just install vbox!
> >>
> >>>>  Still, you might encounter difficulties with different hw-abstraction 
> >>>> layers (aka different
> >>>> drivers!) between kvm and vbox
> >>>  Please explain in more detail.  TIA
> >>
> >> Every virtualization is an abstraction of some specific hardware! KVM does 
> >> NOT abstract to a common, specific model, it simply uses, what's there! 
> >> So, you need to use the device driver for the physically available 
> >> network-interface, and not a "virtualized", "generic" interface.
> >>
> >> Vbox has a specific set of hardware elements, that are "emulazed", VMware 
> >> has a different set, and therefore moving a guest from one virtualization 
> >> to a different one requires different drivers in the guest. That get's 
> >> specifically nasty, once the interface for your boot-disk changes (IDE <-> 
> >> SCSI <-> SATA). And it even gets more complicated, once you use a 
> >> virtualization, that doesn't abstract the hardware (like KVM), but simply 
> >> manages (limits, controls) access to the real hardware...
> >>
> >>   Matthias
> >>
> >>> B.R.
> >>> Stephen
> >>>
> >>>
> >>>
> >>>
> >>> ---------------
> >>> From: Matthias Pfützner <matthias.pfuetz...@sun.com>
> >>> To: sati...@yahoo.com
> >>> Cc: vbox-users@virtualbox.org
> >>> Sent: Sat, February 20, 2010 6:54:48 AM
> >>> Subject: Re: [vbox-users] Convert KVM to VirtualBox
> >>>
> >>> Qemu-img should be part of vbox, and should be documented in the vbox 
> >>> user guide...
> >>>
> >>> Still, you might encounter difficulties with different hw-abstraction 
> >>> layers (aka different drivers!) between kvm and vbox...
> >>>
> >>> Matthias
> >>>
> >>> -----Ursprüngliche Nachricht-----
> >>>> Von: Stephen Liu <sati...@yahoo.com>
> >>>> Gesendet: 20.2.'10,  15:20
> >>>>
> >>>> Hi Karthik,
> >>>>
> >>>> Thanks for your advice.
> >>>>
> >>>> I found following doc on Internet;
> >>>> How to Convert a KVM to a VDI
> >>>> http://www.ehow.com/how_5856610_convert-kvm-vdi.html
> >>>>
> >>>> However I read in another place saying running qemu-img to convert VM 
> >>>> will be easier.  I'm now searching how to make it with qemu-img
> >>>>
> >>>> B.R.
> >>>> Stephen L
> >>>>
> >>>>
> >>>>
> >>>> ---------------
> >>>> From: Karthik Balaguru <karthikbalagur...@gmail.com>
> >>>> To: Stephen Liu <sati...@yahoo.com>; vbox-users@virtualbox.org
> >>>> Sent: Sat, February 20, 2010 6:10:18 AM
> >>>> Subject: Re: [vbox-users] Convert KVM to VirtualBox
> >>>>
> >>>> On Sat, Feb 20, 2010 at 7:19 PM, Stephen Liu <sati...@yahoo.com> wrote:
> >>>>> Hi folks,
> >>>>>
> >>>>> What will be the easy way converting KVM (qcow2) to VirtualBox (vdi)?
> >>>>>
> >>>>> Can VMDK format (VMWare) works on VirtualBox ?
> >>>>>
> >>>>
> >>>> Your question sounds similar to trying to open Windows Visio drawings
> >>>> file in OOo Draw .
> >>>> That is, if vmdk format is openly available, then i think, it should
> >>>> be possible.
> >>>> Not sure. But, i wonder the kind of efforts would be required to design 
> >>>> it ?
> >>>>
> >>>> Karthik Balaguru
> >>>>
> >>>> Send instant messages to your online friends 
> >>>> http://uk.messenger.yahoo.com
> >>>
> >>> Send instant messages to your online friends http://uk.messenger.yahoo.com
> >>
> >> Send instant messages to your online friends http://uk.messenger.yahoo.com
> >
> > Send instant messages to your online friends http://uk.messenger.yahoo.com 
> 
> 
> Send instant messages to your online friends http://uk.messenger.yahoo.com 

> _______________________________________________
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