[MPlayer-users] playing dvd from nfs mounted dvd

[Matus UHLAR - fantomas]

> On Wed, Jun 10, 2009 at 02:55:40AM +0200, Heine Laursen wrote:
> > exportfs: duplicated export entries:
> > exportfs:       192.168.0.0/255.255.255.0:/dev/hdc
> > exportfs:       192.168.0.0/255.255.255.0:/dev/hdc
> > 
> > Note /dev/cdrom is a symlink to hdc.
> > hdc is a dvd drive (actually dvd burner)
> > 
> > client side:
> > mount 192.168.0.3:/dev/cdrom /mnt/nfs/
> > mount.nfs: Stale NFS file handle
> > 
> > mount 192.168.0.3:/dev/hdc /mnt/nfs/
> > mount.nfs: Stale NFS file handle

On 18.06.09 18:17, Reimar Döffinger wrote:
> Huh? I don't think you can export a single file via NFS (and /dev/hdc is a single
> file), you'd have to export the whole /dev (not a good idea for a final solution
> and you still might have some problems with permissions).
> If that works, you can e.g. create a new directory like /exporteddev/ and only
> create a device file for the CD (with mknod).

> In addition to that you will probably have to read up on how NFS treats device
> files when they are exported, you don't want it do deny access to them, you do
> not want them to be exported as device files (then you'd try to access some local
> drive instead of the one on the server, ls -l will show that), you'd want it it
> be stupid and behave as if it didn't know that such a thing as device files exist.

... you need NBD (network block device) for that usage.

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