Re: [Xen-users] Convert from image to LVM

[Jonathan Tripathy <jonnyt@xxxxxxxxxxx>]

How do I use partprobe with LVM?

Thanks

On 26/06/10 20:06, Bruce Edge wrote:

Have you tried using root=UUID=... instead?

Use partprobe to discover the embedded lvm partitions so you can get their UUIDs.

-Bruce

On Sat, Jun 26, 2010 at 11:16 AM, Jonathan Tripathy <jonnyt@xxxxxxxxxxx> wrote:

By changing the config from xvda to sda, it work normal. However I wish to use xvda as I think it's te "standard" for the future..

So clearly there is some setting in my Ubuntu that is still making it look for sda1 instead of hda1. It's as if it's ignoring the "root=" argument in pygrub...

On 26/06/10 19:09, Jonathan Tripathy wrote:

Hi Everyone,

I'm trying to convert my Ubuntu PV Guest from image based disk to LVM. It uses pygrub.

What I did, was I created a new LV and used dd to copy the contents of the image over to the LV. I then changed the domU config file to use phy:/

Now, when I start the DomU, the kernel boots, however it can't seem to mount root properly. It says that /dev/sda1 doesn't exist. What is strange is that in the Dom0, I mounted the LV and changed the root= parameter of the kernel line to point to /dev/hda1, however the previous error still shows

Any ideas?

Thanks

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