Subject: Re: RaidFrame problems.
To: Andrea Franceschini <andrea@cs.tin.it>
From: Greg Oster <oster@cs.usask.ca>
List: port-i386
Date: 02/08/2001 16:55:00
Manuel Bouyer writes:
> On Thu, Feb 08, 2001 at 12:47:39AM +0100, Andrea Franceschini wrote:
> > This is my raid configuration:
> > 
> > START array
> > 1 4 0
> > 
> > START disks
> > /dev/wd0e
> > /dev/wd2e
> > /dev/wd1e
> > /dev/wd3e
> > 
> > START layout
> > 32 1 1 5
> 
> You may want something larger than 32 here, This mean 16k blocks read/write t
> o
> the disk. You'd want something larger - 64 or 128 - to decrease the interrupt
> load and increase the IDE bandwith.

Note that you can't change this value "on-the-fly".  If you want to change it, 
you'll have to rebuild the RAID set.  (Re-configuring with a different value
will just scramble the data..)

Later...

Greg Oster