When to hard drives meet their maker?

Interesting Statistics from Back Blaze on the life of hard drives, they have over 25,000 of them so they have a good sample to work from.  Brings home that they are mechanical, they will fail, so keep your backups at the ready.

• 4 years 20% Fail, 
• 6 Years 50% Fail.

http://blog.backblaze.com/2013/11/12/how-long-do-disk-drives-last/