Re: [Xen-users] Using multiple logical volumes for partitions in domUs

["Ulrich Windl" <ulrich.windl@xxxxxxxxxxxxxxxxxxxx>]

On 28 Feb 2007 at 21:43, Mike Lee wrote:

> Hello Everyone,
> 
>   I am trying setup a guest domain config file to use multiple logical
> volumes as the installation partitions for the guest domain.  The guest OS
> boots from a CentOS 4.4 iso image.  However if I try and specify the
> physical device in the config file as partitions instead of hard drive
> devices, the CentOS installer says it does not detect any hard drives.

Same for SLES10. The solution was to install on a single simple image, then 
shutdown, mount the LVs in Dom0, and copy the simple image's files to the 
corresponding mounted LVs, do some adjustments like "mkinitrd in a chroot 
environment", then the VM would start.

The problem may be that you have had? partitions, but no hda "disk".

Ulrich


> Below is how I would like it to function and have seen many configs with the
> same, however the below config does not work:
> 
> disk = [ 'phy:/dev/VolGroup1/boot,hda1,w',
> 'phy:/dev/VolGroup1/swap,hda2,w'
> 'phy:/dev/VolGroup1/root,hda3,w'
> 'phy:/dev/VolGroup1/data,hda4,w'
> 'file:/home/mike/Desktop/CentOS-4.4-x86_64-binDVD.iso,hdc:cdrom,r' ]
> 
>      If I specify the disk for the guest domain as disk = [
> 'phy:/dev/VolGroup1/boot,hda,w,...... ] and remove the other phy: listings,
> then the guest domain boots and finds a hard drive.  However, since I am
> using logical volumes, my goal is to have the boot, swap, root, etc...
> partitions on their own logical volumes.  Therefore, I can resize the
> volumes and the volume's partition when needed.  Exporting just one volume
> as the entire disk for the guest domain and then having the guest OS create
> the boot, swap, and root partitions within the volume defeats the purpose of
> being able to expand for future needs.
>      Am I totally missing something here?  I am using Xen 3.0.4 community
> edition on an x86_64 Dell server. Any advice would be greatly appreciated.
> Thanks in advance.
> 
> Mike Lee
> 



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