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[Xen-users] which is the best way to setup DomU's kernel location


  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Ian Murray <murrayie@xxxxxxxxxxx>
  • Date: Sun, 20 Sep 2009 02:18:32 -0700 (PDT)
  • Delivery-date: Sun, 20 Sep 2009 02:19:12 -0700
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>





> A: best if you could build a domU specific kernel. Try including everything 
> in 


> the kernel (ie. no modules). And include only the things you are sure you 
> will 

> need/use.
> 
> B: then you will have to run domUs with the hardware virtualisation enabled 
and 
> you will loose all the performance that Xen is offering in paravirtualised 
mode.
> 
> Strongly consider the A option with custom domU. Have a directory in the root 
> tree for those kernels. Worked best for me when migrating.
> 
> Have phun!
> 
> 
> Chris Andrews wrote:
> > Hello, 
> > I was wondering what do you guys thing is the best way to control the
> > domU kernels. Would you A. use the name kernel for the all the domU's
> > using the dom0 kernel or B. make a boot partition inside the domU's and
> > use there own kernel?

You don't need hardware-virtualisation to utilise the kernel that is stored 
inside the virtual machine. Just use pygrub or pvgrub. (last time I tried it 
the 
latter didn't work with tap:aio, though)





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