----- Original Message ----- > From: "Gary Dale" <garyd...@rogers.com> > > Good point about the use of FLAC instead of ogg. However, I wouldn't > advise a USB hard drive for backup. The problem is that they are > prone > to failure (as is any mechanical system), are expensive, and you need > multiple drives to have an offsite backup or redundant backups. > > Optical media works because you only need a single drive (the > expensive > component) while the media is cheap. Moreover the media is > lightweight, > compact and portable so you can store it offsite. The low media cost > allows for multiple copies providing redundancy. > > A single BD-R disk can store perhaps 75 CDs converted to FLAC format. > A friend of mine told me once that his company had archived some customer data on CD-R, but years later they found that the CDs were de-laminating. Has anybody here ever experienced this?
I don't know what brand he used, and I don't know if the bad CD-Rs were all from the same lot, so my evidence is fairly limited... The oldest CD-R I have in my possession is probably only 3 years old. -Rob -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/1461988131.48201772.1373648253041.javamail.r...@ptd.net