[Libguestfs] grub-install with guestfish

[Richard W.M. Jones]

[Sending the question to the proper mailing list]

On Thu, Oct 01, 2015 at 10:50:13AM +0100, slim tabka wrote:
> Hello Mr Richard Jones,
> 
> First of all, thank you for the amazing tools that you are creating.
> I'm new to the virtualization and libguestfs ,so I'm hoping you can help me
> to at least understand what's the problem I'm having exactly or to know if
> there's a way to resolve it , and any suggestion or advice is much
> appreciated.
> 
> I have a problem while trying to create a vm (the method I'm using is to
> copy the filesystem of a template in a newly created lvm device and I
> modify the fstab file and grub.conf with the uuid of the newely created
> device) but the vm get stuck in booting from hard disk , while using xen I
> switched the vm to a pv guest and used pygrub and now the vm is working
> properly , the problem is with kvm (installed on ubuntu 14.04) the vm
> (centos guest) is always stuck in the booting and  didn't find a tool like
> pygrub on kvm , the only way to make the vm work is to manually install
> grub through a livecd, I thought of using guestfish and use grub-install /
> /dev/sda but when I try to start the vm it is stuck in grub2.0.2 shell.
> It seems that with grub-install with guestfish it installed grub2 but in
> the man page of guestfish it's said that it only install grub1.
> 
> So is it because kvm is installed on ubuntu that's why grub-install
> installs grub2?? and if the host is centos , wil I have problems with
> ubuntu guests while tring to install grub ??? So why even if I modified the
> /boot/grub/grub.conf inside the guest it still don't want to boot?? if the
> host is kvm on ubuntu will I have problems with centos guest and if the
> host is centos will I have problems with ubuntu guest??
> I'm really confused wth all this , I don't know if I'm missing something.
> 
> I'm not sure if I was clear enough , and if needed I can provide you more
> infos , but it's been a while that I'm stuck so any suggestion will be more
> than welcome , so thank you for your time and I hope I'm not bothering you.
> 
> Slim TABKA

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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