Re: [Xen-devel] Re: Need help..

[Rolf Neugebauer <rolf.neugebauer@xxxxxxxxx>]

On Wed, 2004-04-21 at 18:21, I RATTAN wrote:
> I am confused:
> 
> dom0 /usr is /dev/hda6
> 
> and
> 
> dom1 /usr is /dev/sd6 which is mapped to /dev/hda7
> 
> does it mean even these are separate physical entities, they
> have to mounted read-only?

if they are separate physical partitions mounting rw should be fine. We
normally just use one /usr partition and mount it ro to all domains.

to things to get closer to the root of your problem:

can you show us the output of 'mount' in dom0?

can you change the LABEL= entries in /etc/fstab to contain the /dev/hda*
partition names.

depending on how you created your partitions you might have multiple
partitions with the same label. I generally avoid using labels and use
the explicit devices.

Thanks
Rolf


> -ishwar
> 
> 
> On Wed, 21 Apr 2004, Mark Williamson wrote:
> 
> > Hi there,
> >
> > > Warning: one or more hard disk extents are
> > >         writeable by two or more domains simultaneously.
> >
> > 1) You need to set /usr as read only in both fstabs, i.e.
> > in dom0:
> > LABEL=/usr  /usr    ext3    defaults,ro     1 2
> >
> > in the other domain:
> > /dev/sda6   /usr    ext3    defaults,ro     1 2
> >
> > Reboot dom0 so this change gets noticed.
> >
> > 2) Make sure you don't have /dev/hda8 mounted AT ALL in dom0 and make sure 
> > you
> > don't mount it while the other domain is running.
> >
> > That should fix you up.
> >
> > Cheers,
> >
> > Mark
> >
> 
> 
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