> The moral of the story:  Make sure the backup media is readable in generic,
> off-the-shelf equipment.
>
> CDR's are great for this but the capacity of less than a GB vs today's
> double digit GB drives makes them less than perfect; however, you can go to
> just about any computer or office supply store and buy a drive that can
> read a CDR for almost pocket change these days...

making simple script that will run cdrecord every pipe open and use it
with dump -B 666000 (or whatever fits on CD-RW) could be fine.

and level >0 backup should take more than 1 CD often