Mechanical disk supply chains are increasing platter drive costs significantly while at the same time improvements in reliability and cost for SSDs are bringing

Mechanical disk supply chains are increasing platter drive costs significantly while at the same time improvements in reliability and cost for SSDs are bringing costs lower. And yes, there have been large deployments: http://www.computerworld.com/s/article/9218811/EBay_attacks_server_virtualization_with_100TB_of_SSD_storage http://www.computerworld.com/s/article/9218811/EBay_attacks_...