On 4/15/12, Frank Cox <theatre at melvilletheatre.com> wrote: > I'm just thinking... I wonder if it would be possible to somehow replicate > the > OS on both the SSD and the hard drive, such that you could just change the > boot > device in the bios to point to one or the other. Which wouldn't exactly be > a > raid (with the overhead that entails) but just a change of boot device as > required. This is an interesting idea, especially with using a small cheap SSD to boost boot speed. Don't see any reason why it cannot be achieved simply by doing the same thing of using mdraid RAID 1 with partitions and using the write-mostly on the HDD partitions.