ハードディスクにおける容量の概念をひっくり返すDrobo:[mi]みたいもん！
http://mitaimon.cocolog-nifty.com/blog/2009/04/drobo.html
Formatting the Drobo for Time Machine Backups | NSLog();
http://nslog.com/2008/11/11/formatting_the_drobo_for_time_machine_backups

Tres formas de montar correctamente las copias de seguridad con Drobo y Time Capsule

Using the Drobo drive for Time Machine backups

The Weblog of Erik J. Barzeski

Take away: Be wary of using the drobo for a time machine time capsule