Subject: Re: FFSv1 performance on large filesystems
To: None <tech-kern@NetBSD.org>
From: Matthias Scheler <tron@zhadum.de>
List: tech-kern
Date: 03/24/2005 00:58:01
On Wed, Mar 23, 2005 at 04:54:12PM -0800, Jason Thorpe wrote:
> >So measured raw write performance:
> >
> >single disk        51MB/Sec
> >RAIDframe        25MB/Sec
> >
> >So it looks to me like RAIDframe really writes to both disk serial and
> >not parallel.
> 
> Is this a RAID-0?  If so, please try ccd(4) and compare.

No, it's RAID-1. But writes should still happen in parallel there.

	Kind regards

-- 
Matthias Scheler                                  http://scheler.de/~matthias/