Subject: Re: Performance of RAIDframe and SOFTDEP
To: None <Lloyd.Parkes@vuw.ac.nz>
From: Curt Sampson <firstname.lastname@example.org>
Date: 02/24/2000 10:04:35
On Thu, 24 Feb 2000 Lloyd.Parkes@vuw.ac.nz wrote:
> The performance improvements gained by enabling soft dependencies were
> no RAID 1.23x
> RAID 0 1.44x
> RAID 5 1.36x
> Nice improvements from soft dependencies, but I was expecting better
> performance from RAID 0 (and worried about worse from RAID 5).
You might compare RAID 0 in RAIDFrame to ccd striping. On an admittedly
much faster machine (500 MHz PC164, 2940UW) I get basically twice the
sequential read/write performance from a pair of ccd'd Barracudas than
I get from one.
Curt Sampson <email@example.com> 917 532 4208 De gustibus, aut bene aut nihil.
The most widely ported operating system in the world: http://www.netbsd.org