Why RAID 5 stops working in 2009

The storage version of Y2k? No, it’s a function of capacity growth and RAID 5’s limitations. If you are thinking about SATA RAID for home or business use, or using RAID today, you need to know why.

RAID 5 protects against a single disk failure. You can recover all your data if a single disk breaks. The problem: once a disk breaks, there is another increasingly common failure lurking. And in 2009 it is highly certain it will find you.