Subject: Re: RAID controller support, and/or RAIDFrame
To: Luke Mewburn <lukem@NetBSD.org>
From: Kazushi (Jam) Marukawa <jam@pobox.com>
List: port-i386
Date: 10/16/2003 10:37:32
On Oct 16, 13:36, Luke Mewburn wrote:
> Subject: Re: RAID controller support, and/or RAIDFrame
> On Wed, Oct 08, 2003 at 06:12:16PM -0700, Jonathan Stone wrote:
> |
> | OK, then how many MB/sec does your card do in a 32-bit/33MHz slot?
> |
> | (You did say "fast", any quantitatie estimate would do).
>
> Using Seagate 120GB ST3120026AS SATA drives:
>
> RAID-5 across 4 drives, 64KB stripe:
> reading 64k chunks: 22MB/s
I ran iozone and bonnie++ on NetBSD, FreeBSD and Linux using
ffs, ufs2, lfs, ext3fs and reiserfs. Results are avilable
at <http://www.io.com/~kazushi/filesystem/>.
Results are something like below. Using RAID 5 across 4
WD800AB drives.
write:
Linux software RAID5 25MB/s
NetBSD software RAID5 10MB/s
NetBSD hardware RAID5 25MB/s
read:
Linux software RAID5 45MB/s
NetBSD software RAID5 33MB/s
NetBSD hardware RAID5 30MB/s
-- Kazushi