[Box Backup-dev] Userland RAID question

[Martin Ebourne]

On Thu, 2006-04-20 at 22:24 -0700, Per Thomsen wrote:
> On 4/19/06 12:35 AM, Per Thomsen wrote:
> > All,
> > I'm working on the docs a bit more, and I have a quick question about
> > the userland RAID: What RAID-level is implemented? I think it's RAID5,
> > but I don't know. Wanted to put a bit of background into the
> > raidfile-config and raidfile.conf man pages.
> >   
> Uh, anyone know this? I could start scouring the sources, but if someone
> knows, that would be faster...

RAID5 is correct. It's a slightly restricted RAID5 where you have to
have exactly 3 disks, rather than the more general RAID5 where you can
have n disks (n>2) and get data storage on n-1 of those (the last disk
is always the parity disk in RAID5).

Cheers,

Martin.