[CentOS] SSD for boot drive and OS

[Emmanuel Noobadmin]

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.