Re: Current state of filesystem features / improvements

[Adam Hoka <adam.hoka%gmail.com@localhost>]

On Sun, 28 Nov 2010 01:23:52 -0800
"Aaron J. Grier" <agrier%poofygoof.com@localhost> wrote:

> On Thu, Sep 16, 2010 at 08:33:59AM +0200, Niels Dettenbach wrote:
> > Which (ffs) features could be recommended to use (i.e. "softdeps") for
> > productive environments (and especially within xen pv NetBSD guests)
> > to improve performance / faster fsck?
> > 
> > As i used softdeps last time (2 years ago) i got some os crashes (fs
> > errors) within a month.
> 
> wapbl (-o log) is suggested to replace softdeps, but I have had lockups
> with it on a multiprocessor machine.  (kern/41417)  I have not seen the
> same problem on uniprocessor machines so far.
> 
> I also hear rumors about background fsck coming over from FreeBSD,
> perhaps someone here knows more?

never heard this, and i dont think so, as we dropped softdeps for 6.x

> > Is the relative new software RAID under NetBSD reliable and
> > performant?
> 
> I've been using NetBSD's software RAID implementation (RAIDFrame) since
> 1999 with great success on multiple platforms.  it has allowed recovery
> from hardware failures on numerous occations.
> 
> -- 
>   Aaron J. Grier | "Not your ordinary poofy goof." | 
> agrier%poofygoof.com@localhost


-- 
NetBSD - Simplicity is prerequisite for reliability