How to create and disable a Fusion Drive – TechRepublic http://www.techrepublic.com/article/pro-tip-how-to-create-and-disable-a-fusion-drive/
Fixing a Mac Fusion Drive that Disk Utility can’t erase– Pervasive Code http://www.pervasivecode.com/blog/2016/05/23/fixing-a-mac-fusion-drive-that-disk-utility-cant-erase/