“Hard disks tend to be one of the weakest points in today’s machines. If you can afford it, RAID setups will address the problem. And if you cannot afford it, you probably cannot afford a NAS or a SAN either. The poor man’s solution is to regularly back up the information from one disk to another. Of course if your disk dies between two backups, you lose. der Mouse is a Canadian open source developer who produced a bunch of valuable software ranging from anti-spam tools to a PPPoE implementation. At the BSDCan 2005 conference, he presented an innovative solution to hard disk replication. In this interview, der Mouse explains his idea and how he implemented it to us.”