Re: [Xen-devel] fdisk hard drive image

[Luciano Miguel Ferreira Rocha <strange@xxxxxxxxxxxxx>]

On Fri, Feb 11, 2005 at 03:06:36PM +0100, Gonéri Le Bouder wrote:
> Luciano Miguel Ferreira Rocha wrote:
> 
> >On Fri, Feb 11, 2005 at 12:48:28PM +0100, Gonéri Le Bouder wrote:
> > 
> >
> >>Hello list,
> >>
> >>
> >>Currently, i use a partition image to run my XenU (/dev/hda2) and "fdisk 
> >>-l" return nothing and can't open /dev/hda .
> >>
> >>I want to use a full hard drive image (not partition image) from my Xen0 
> >>as hda in my XenU. I want to be able to run fdisk on hda in my XenU to 
> >>list and regenerate partitions.
> >>
> >>
> >>I tried with this (/img is my hard drive image):
> >>
> >>disk = ['/img,hda,w']
> >>
> >>disk = ['phy:loop3,hda,w'], loop3 is /img attached to /dev/loop3 by 
> >>losetup.
> >>
> >>But, both don't work.
> >>
> >>Is it possible ?
> >>   
> >>
> >
> >THe block device isn't exported as an hard disk. Just as a block device
> >(like ram*, loop*).
> >
> >If you want to use several filesystems over a single block device,
> >you'll have to use lvm.
> >
> 
> Thanks for the answer,
> 
> 
> In this case, if i use lvm, i still have to create my partitions from 
> Dom0. Is there a way to create partitions from XenU with fdisk.

Not that I know of. (You may run it, but you may have to specify
cilinders and heads by hand.)

You can create a single partition on dom0, or use the whole disk for lvm
under xenU.

Regards,
Luciano Rocha


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