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Re: [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images
From: |
Jim C. Brown |
Subject: |
Re: [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images |
Date: |
Wed, 13 Dec 2006 17:55:00 -0500 |
User-agent: |
Mutt/1.4.2.1i |
On Wed, Dec 13, 2006 at 11:07:54PM +0100, Salvador Fandino wrote:
> Jim C. Brown wrote:
> > On Wed, Dec 13, 2006 at 08:03:13PM +0100, Salvador Fandino wrote:
> >>> The code of lomount might be what you're looking for. Lomount allows one
> >>> to mount partions (via loop) from a raw diskimage.
> >> That was my intention, but I have found that lomount handling of EBR and
> >> logical partition is not correct, they perform as if EBR where
> >> structured as MBR, what is wrong!
> >>
> >> Cheers,
> >>
> >> - Salva
> >>
> >
> > How is it incorrect? What needs to be fixed?
> >
> > My understanding is that the extended partition has a partition table
> > set up with the first partition entry pointing to the logical partition,
> > the second entry pointing to a partition table that exists immediately
> > after the logical partition, and then the 3rd and 4th entries are not
> > used. The second partition table is structed the same way, so you
> > essentially have a linked list of extended partitions. (Unlike the MBR,
> > there are no boot sectors associated with these partition tables.)
> >
>
> yes, that's right, but it's not what lomount does. It parses the data on
> the EBR in the same way as the MBR, reading 4 partition registers from them.
>
It only uses the first two. It reads in the rest but ignores them.
> Cheers,
>
> - Salva
>
>
>
> _______________________________________________
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> http://lists.nongnu.org/mailman/listinfo/qemu-devel
>
--
Infinite complexity begets infinite beauty.
Infinite precision begets infinite perfection.
- RE : Re: [Qemu-devel] Re: NBD server for QEMU images, (continued)
- Re: RE : Re: [Qemu-devel] Re: NBD server for QEMU images, Johannes Schindelin, 2006/12/12
- Re: RE : Re: [Qemu-devel] Re: NBD server for QEMU images, Daniel Jacobowitz, 2006/12/12
- [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images, Salvador Fandino, 2006/12/12
- Re: [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images, Jan Marten Simons, 2006/12/13
- [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images, Salvador Fandino, 2006/12/13
- Re: [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images, Jim C. Brown, 2006/12/13
- [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images, Salvador Fandino, 2006/12/13
- Re: [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images,
Jim C. Brown <=
- [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images, Salvador Fandino, 2006/12/14
- Re: [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images, Jim C. Brown, 2006/12/14
- [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images, Salvador Fandino, 2006/12/12
- Re: [Qemu-devel] Re: NBD server for QEMU images, Mark Williamson, 2006/12/12
- Re: [Qemu-devel] Re: NBD server for QEMU images, Christian MICHON, 2006/12/12
[Qemu-devel] Re: NBD server for QEMU images, Anthony Liguori, 2006/12/12