Re: [Xen-devel] Problems with loopback and sda1

[Rune Johan Andresen <runejoha@xxxxxxxxxxx>]

The sda2 worked out fine! I did not know that you can specify the file
directly. This is good news tough:-)

Thank you!

Cheers,
Rune


On Oct 11, 2004, at 4:51 PM, Mark A. Williamson wrote:

> > With:
> > disk = [ 'phy:loop0,xda1,w', 'phy:sda1,sda1,r' ]
> > root = "/dev/xda1 ro"
> >
> > I get error msg:
> > > > error begin
> > VFS: Cannot open root device "xda1" or unknown-block(2,0)
> >    Please append a correct "root=" boot option
> >    Kernel panic: VFS: Unable to mount root fs on unknown-block(2,0)
> The xda devices got removed.  Any sd* or hd* device node should work 
> instead
> though.
>
> Did you realise you can now specify file:/path/to/file as the source 
> device
> instead of running losetup manually and using phy:loop0?
>
> HTH,
> Mark
>
> > > > error end
> > Does Xen deny use of anything else than logical sda1 for HD? When my
> > physical HD is sda1, how can I use another logical drive for my
> > loopback?
> >
> > To save space I want to read-only mount my pysical HD from the
> > loopbacks.
> > (If I try to mount sda1 now, I mount the loopback, not the pysical HD)
> >
> > Cheers,
> > Rune
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