[K12OSN] Software RAID-1 with 3 Disks?

[Onatawahtaw]

--- On Sun, 8/10/08, Krsnendu dasa <krsnendu108 at gmail.com> wrote:

> >
> I have heard someone (Les Mikesell?) mirroring onto 3
> drives, with the third
> a usb removable drive. He then takes the third drive
> elsewhere as a backup.
> So it is possible. Writes are done to all three drives.
> Reads from the
> fastest drive. This way two drives can fail and the show
> still goes on.
> 
>

So would it be better to mirror all 3 drives in RAID-1, or set the third up as a hot spare?