Am Mon, 14 Sep 2009 16:00:59 +0200 schrieb JM <fijam@xxxxxxxxxxxx>: > Hello, > > I cannot mount a data dvd. > > mount /dev/dvd /media/dvd > mount: unknown filesystem type 'iso9660' If you mount it with "mount -t iso9660 ..." then you should probably try it without the -t option or with "-t auto". Does this happen with only one or a few DVDs or with every DVD? I. too, had this problem with only one of my DVDs. Reading it and creating a new iso with dvdisaster helped. dvdisaster could read the DVD without an error and the new iso could also be mounted without a problem. Heiko