Re: [Xen-users] imaging an existing system?

[Brian Krusic <brian@xxxxxxxxxx>]

Hi Miles,

Check out this exchange.  its pretty much what I did for Ubuntu,  
however I do use pygrub :)
I'll email you an exact step by step next week.

Hey Brian,

Am Freitag, den 13.02.2009, 15:22 -0800 schrieb Brian Krusic:
> Hi Thomas,
>
> Since I will be loading a Xen kernel in my Ubuntu domU, couldn't I
> just use pygrub as my boot loader without needing the kernel/ramdisk
> options in my config?
>
> My current domU PVMs use pygrub.
pygrub is really ugly and unsecure - use pvgrub instead.

But yes - thats correct, it will work, too. But you also have to install
grub into domU, too.

> - Brian
Regards,

Thomas

PS: Take a look at the pygrub-code - I've never seen such evil code of
darkness :-)
- Brian




On Feb 17, 2009, at 12:30 AM, Miles Fidelman wrote:

> Can you say a little more about what was involved in Ubuntu?  I'm  
> working with Debian, which should be similar.
> Thanks!
>
> Miles
>
> Brian Krusic wrote:
> > Well, the HVM to PVM process is a PITA for me in some cases, in  
> > others its fine.
> > For a Centos/RHEL HVM to PVM conversion, its easy, just install the  
> > xen kernel on your guest, mod the network config, then shut it  
> > down, mod the network config of the domU config file including how  
> > it boots; re pygrub/pvgrub and then start it.
> > Before dong this, make a backup copy of your guest VM image and  
> > config files.
> > For Ubuntu, it kinda suxed but thanks to Thomas, I was able to get  
> > it going.
> > - Brian
> >
> >
> >
> >
> > On Feb 16, 2009, at 7:04 PM, Miles Fidelman wrote:
> >
> > > Brian Krusic wrote:
> > > > Hi Miles,
> > > >
> > > > This util simply creates a VM and doesn't incorporate any PVM  
> > > > kernels into your VM.
> > > > So basically use it to only create HVMs and then if needed like I  
> > > > have, convert the HVM to a PVM.
> > > > I actually prefer having control over the HVM to PVM process.
> > > >
> > > > Not sure if I'm using the terminology correctly but;
> > > >
> > > > HVM - hardware virtual machine.
> > > > PVM - para virtual machine.
> > > ok.... can you elaborate just a little on how you do that  
> > > conversion?
> > > Thanks!
> > >
> > > Miles
> > >
> > > --
> > > In theory, there is no difference between theory and practice.
> > > In practice, there is.   .... Yogi Berra
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
>
> --
> In theory, there is no difference between theory and practice.
> In practice, there is.   .... Yogi Berra

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