Subject: Re: practical RAIDframe questions
To: None <netbsd-users@netbsd.org>
From: Pavel Cahyna <pavel.cahyna@st.mff.cuni.cz>
List: netbsd-users
Date: 01/27/2006 23:57:00
On Fri, Jan 27, 2006 at 03:18:49PM -0500, Thor Lancelot Simon wrote:
> On Fri, Jan 27, 2006 at 08:00:17PM +0100, Manuel Bouyer wrote:
> > 
> > Not really. Eventually you can try different strip size and see which
> > work better for your usage. The block size tuning isn't dependant on
> > raidframe, but rather on the type of data stored on disk (lots of small
> > files vs a few large files)
> 
> That's not entirely so: you want blocksize * maxcontig to work out to
> the stripe size or a multiple of it.  So, for instance, if you have a
> four-disk RAID5, you want to be writing 48K at a time, which means a
> 16K FFS block size and maxcontig=3.

Does the stripe size mean anything for RAID 1?

Pavel