Re: RAID Level 6

[Greg Oster <oster%netbsd.org@localhost>]

On Thu, 19 Feb 2015 10:02:44 +0100
Fredrik Pettai <pettai%nordu.net@localhost> wrote:

> On 17 Feb 2015, at 18:13 , Greg Oster <oster%NetBSD.org@localhost> wrote:
> > On Sat, 14 Feb 2015 18:40:03 +0100
> > BERTRAND Joël <joel.bertrand%systella.fr@localhost> wrote:
> > 
> >> 	Hello,
> >> 
> >> 	I've seen that sys/dev/raidframe contains some code for
> >> raid level 6 but I haven't seen any information about raid 6. Is
> >> this raid level usable ?
> > 
> > Once upon a time I asked a similar question to the original
> > RAIDframe developers, and IIRC the answer was 'the code is there,
> > and should be mostly working, but hasn't been well tested'.
> > 
> > I've not tested it at all either, and at this point would not
> > recommend it for any important data.  (Feel free to experiment with
> > it, and let us/me know the results though!)
> 
> Is it enabled by default, or does it need to be recompiled to get it
> working?

It is not enabled by default.  There is probably a bit of playing that
needs to be done to get it working, given that I don't think it's been
compiled very much (at all?) in the last 10 years.

Later...

Greg Oster