Subject: Re: RAID tuning
To: Manuel Bouyer <bouyer@antioche.eu.org>
From: Greg Oster <oster@cs.usask.ca>
List: netbsd-users
Date: 12/19/2002 16:39:16
Manuel Bouyer writes:
> On Thu, Dec 19, 2002 at 04:25:34PM -0600, Greg Oster wrote:
> > Manuel Bouyer writes:
> > > On Thu, Dec 19, 2002 at 03:20:02PM -0600, Greg Oster wrote:
> > > > [...]
> > > > Yes.  Note that the queue type (and size) is not stored in the componen
> t 
> > > > labels, so if you're using autoconfig, then it will automatically use f
> ifo,
> > >  
> > > > and you won't be able to change it. (yes, that's a bug, and yes, it's o
> n my
> > >  
> > > > TODO list, and no, there hasn't been a lot (read: any) demand to fix th
> at
> > > > bug yet :-} )
> > > 
> > > So 
> > > 'fifo 100'
> > > is lost at autoconfig ?
> > 
> > Not quite... only the "fifo" part is lost.  The 100 part (or whatever you h
> ave 
> > it set to) is still used.  (Do a 'raidctl -s raid0' and look for "Queue siz
> e").
> 
> It says:
> Queue size: 0 blocksize: 512, numBlocks: 17916160
> 
> I set it to 3584 (14 * 256).

Hmm...  It shows up as 100 on all of my boxes (cause that's what I leave mine 
set to...)..  Hmmm... when did you build that RAID set?  

Later...

Greg Oster