Alan McKay wrote:
Google "say no to RAID 5"
http://www.tomshardware.com/news/RAID-5-Doomed-2009,6525.html
Say goodbye to whole-disk based RAID solutions and hello to next generation sub-disk RAID solutions, dramatically extending the real world lifetime of RAID 5(and RAID 6 which will become equally useless as RAID 5 is when drives get big enough).
http://www.xiotech.com/Products-and-Services_ISE.aspx http://www.3par.com/products/inspire_architecture.html#fgv http://www.compellent.com/Products/Software/Virtualization.aspx
(maybe more that I'm not aware of those are off the top of my head)
http://www.techopsguys.com/2009/11/24/81000-raid-arrays/
nate