From owner-freebsd-hackers Tue Jun 13 16:45: 6 2000 Delivered-To: freebsd-hackers@freebsd.org Received: from mail-03-real.cdsnet.net (mail-03-real.cdsnet.net [204.118.244.93]) by hub.freebsd.org (Postfix) with SMTP id 5CCBA37B6A2 for ; Tue, 13 Jun 2000 16:45:00 -0700 (PDT) (envelope-from mrcpu@internetcds.com) Received: (qmail 35319 invoked from network); 13 Jun 2000 23:44:59 -0000 Received: from schizo.cdsnet.net (204.118.244.32) by mail-03-real.cdsnet.net with SMTP; 13 Jun 2000 23:44:59 -0000 Date: Tue, 13 Jun 2000 16:39:01 -0700 (PDT) From: Jaye Mathisen X-Sender: mrcpu@schizo.cdsnet.net To: hackers@freebsd.org Subject: Has anybody looked at RAID-5 vinum performance on the "whole system"? Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG I was just curious what people's thoughts were on the potential "total system throughput" (whatever you choose it to be), wrt using software RAID. It would seem that software RAID would just kill big chunks of cache, especially CPU cache, moving lots of data throught it to calcuate CRC's. perhaps the raid 1/0's would be fine, since the calcuation could be ignored. It would seem that for file-server type tasks, where hopefully CPU is not an issue, then as long as you can exceed the capacity of your network, you're probably fine. And most workstations probably don't run 100% (modulo things like the various crackers and seti), that it's a non issue. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message