> > Using dd to read tapes to disk discards the block size information.
> And that is precisely why I'm thinking of an ad-hoc interface rather > than just plugging a SCSI drive into a UNIX box. It's eminently possible to image tapes sanely on a unix box. See e.g.: http://www.brouhaha.com/~eric/software/tapeutils/ The main limitation seems to be that it's hard to get the (broken) data from a block that had a read error when using SCSI hardware. There's probably a way around this if one digs into lower layers of SCSI magic; I haven't gone looking. De