Gvinum RAID5 performance

[Lukas Ertl]

On Mon, 1 Nov 2004, Jake Scott wrote:

> My machine (FreeBSD 5.3-STABLE as of 30/10/2004, 13:00 GMT) hangs as soon as 
> I try to write to a RAID5 mounted with gvinum.  If I use vinum, I don't get 
> the problem - and I've completed both a parity rebuild and parity check.

This should be fixed in -CURRENT, and I want to MFC it ASAP.

> Also - can anyone tell me if it's OK to have both gvinum and vinum loaded at 
> once in order to perform operations that aren't supported by gvinum yet?  And 
> if so, is a "gvinum read" sufficient to tell gvinum of changed made by 
> vinum?..

No, don't load vinum and geom_vinum at the same time.

cheers,
le

-- 
Lukas Ertl                         http://homepage.univie.ac.at/l.ertl/
le at FreeBSD.org                     http://people.freebsd.org/~le/