CFT: vdfuse port (was: Re: Mounting VirtualBox vdi files [SEC=UNCLASSIFIED])

[Juergen Lock]

On Tue, Sep 14, 2010 at 08:11:35PM -0500, Brandon Gooch wrote:
> On Mon, Sep 13, 2010 at 4:14 PM, Juergen Lock <nox at jelal.kn-bremen.de> wrote:
> > On Sat, Sep 11, 2010 at 01:06:24PM -0600, Warren Block wrote:
> >> On Sat, 11 Sep 2010, Juergen Lock wrote:
> >>
> >> > On Wed, Sep 08, 2010 at 07:44:37PM -0600, Warren Block wrote:
> >> >> On Thu, 2 Sep 2010, Juergen Lock wrote:
> >> >>
> >> >>> ...there is a much simpler fusefs tool in debian called vdfuse that I
> >> >>> now finally made a port of.  I don't know how stable this is on
> >> >>> FreeBSD or if there still may be bugs, so please give this a good test
> >> >>> and post your results here.  Here's a simple example:
> >> >>>
> >> >>>   # vdfuse -r -f ~nox/.VirtualBox/HardDisks/win7-64.vdi /mnt
> >> >>>   # mdconfig -a -f /mnt/Partition2 -o readonly
> >> >>>   md0
> >> >>>   # mount -o ro -t ntfs /dev/md0 /mnt2
> >> >>>   # ls -l /mnt2
> >> >>>   ...
> >> >>>   # umount /mnt2
> >> >>>   # mdconfig -d -u 0
> >> >>>   # umount /mnt
> >> >>
> >> >> It works for a .vdi of a UFS drive.  The BSD partitions show up on the
> >> >> md0 device (md0a, etc).  Just a trivial test, but looks promising!
> >> >
> >> > Yep, those kind of tests worked for me too, I just wasn't sure if it
> >> > also survives `heavy use', i.e. reading/writing/using files much on
> >> > the mounted fs.es...
> >>
> >> Dumping the partitions of that FreeBSD system worked just now.  Not what
> >> I'd call a thorough test, but it did read everything in the filesystem
> >> without problems.
> >
> > Ok that sounds promising...  Someone want to do more tests or should I
> > just commit the port? :)
> 
> During my first (and only) testing session, I wasn't able to mount the
> md(4) device after I created it. Further, after a few attempts each
> time, vdfuse would segfault.
> 
> Image was form Windows XP 32-bit (1 Partition, NTFS).
> 
Did you use the correct partition?  And did you try ntfs-3g or just
the in-kernel (readonly) ntfs?  Also which FreeBSD version was this?

> I'm in the process of rebuilding my system ATM (kernel, world, and
> ports), but I will test further when I'm back up again...

 Ok that should be interesting then.

 Thanx, :)
	Juergen