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#11
What http://www.lenovoblogs.com/ says
Lenovo Blogs talks about RapidDrive technology.
Inside the Box » Lenovo RapidDrive Technology
Here is copy and paste of some text from the blog.
When you buy a Lenovo Y560 or Y460, you will have the option to configure it with RapidDrive. Your machine will have your standard hard disk drive plus a 32GB or 64GB SSD installed in the internal PCI-E slot. The breakthrough is not combining the two in one system. Anyone can do that. The breakthrough is using a Lenovo patent-pending technology that connects both the SSD and HDD simultaneously as one big, contiguous drive. Unlike my setup above, this storage is dynamically pooled and managed. The end user does not need to do anything. The system manages the SSD depending on usage. Programs, documents, and other files are dynamically moved on and off of the SSD so that you can always get the fastest speed possible. This also means that the system will not return an error if the SSD is already at full capacity. The program/file will automatically be installed on the HDD and moved to the SSD later in the background if the algorithm determines that is optimal.
That explains why we see confusing 'Disk Management' info. On Lenovo's web site, under Y570 Support, you can download 'RapidDrive' software. This will be useful for those who want to install new OS from scratch.
But if I am doing a new install, I probably will not join the two disks using RapidDrive. I will manage that on my own. I do not know how taking a backup image of your OS will work if you have RapidDrive installed.