[Libguestfs] read-write in LIBGUESTFS 1.20

[Richard W.M. Jones]

On Sun, Dec 16, 2012 at 10:03:44PM +0200, Evaggelos Balaskas wrote:
> How can i open a virtual disk in read-write mode ?
> 
> 
> # guestmount --rw -d winxp -m /dev/sda1 /media/
> 
> # rm -f /media/pagefile.sys
> rm: cannot remove ‘/media/pagefile.sys’: Operation not permitted
> 
> # cd /media && touch file
> touch: cannot touch ‘file’: Permission denied
> 
> # cd && fusermount -u /media
> 
> I've tried with guestfish also.
> 
> I have compiled libguestfs with this conf:
> 
>     ./configure \
> 	PYTHON=/usr/bin/python2 \
> 	--prefix=/usr --libdir=/usr/lib \
> 	--mandir=/usr/share/man \
> 	--sysconfdir=/etc \
> 	--disable-probes \
> 	--disable-gobject \
> 	--enable-introspection=no \
> 	--disable-lua \
> 	--disable-erlang \
> 	--disable-php \
> 	--disable-haskell \
> 	--disable-ruby \
> 	--without-java \
> 	--with-default-attach-method=libvirt
> 
> am i missing something ?

It certainly should work :-(

My only thought is that it's an NTFS filesystem which is in an unclean
state, and ntfs-3g is refusing to mount it read-write.

Can you try it with guestfish, and add the '-x' and/or '-v' options in
order to display precisely what libguestfs is doing?

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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