From owner-freebsd-fs Fri Nov 6 16:42:38 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id QAA01437 for freebsd-fs-outgoing; Fri, 6 Nov 1998 16:42:38 -0800 (PST) (envelope-from owner-freebsd-fs@FreeBSD.ORG) Received: from set.scient.com (set.scient.com [208.202.109.254]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id QAA01431 for ; Fri, 6 Nov 1998 16:42:34 -0800 (PST) (envelope-from enkhyl@scient.com) Received: by set.scient.com; (5.65v4.0/1.3/10May95) id AA06971; Fri, 6 Nov 1998 16:42:01 -0800 Received: from somewhere by smtpxd Date: Fri, 6 Nov 1998 16:41:23 -0800 (PST) From: Christopher Nielsen X-Sender: enkhyl@ender.sf.scient.com Reply-To: enkhyl@hayseed.net To: Greg Lehey Cc: Bagnara Stefano , freebsd-fs@FreeBSD.ORG Subject: Re: RAID1 Software vs Hardware In-Reply-To: <19981107102145.G499@freebie.lemis.com> Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Sat, 7 Nov 1998, Greg Lehey wrote: > Date: Sat, 7 Nov 1998 10:21:45 +1030 > From: Greg Lehey > To: enkhyl@hayseed.net, Bagnara Stefano > Cc: freebsd-fs@FreeBSD.ORG > Subject: Re: RAID1 Software vs Hardware > > [Format autorecovered at freebie.lemis.com] > > On Friday, 6 November 1998 at 13:35:51 -0800, Christopher Nielsen wrote: > > On Fri, 6 Nov 1998, Bagnara Stefano wrote: > > > >> Date: Fri, 6 Nov 1998 17:35:58 +0100 > >> From: Bagnara Stefano > >> To: freebsd-fs@FreeBSD.ORG > >> Subject: RAID1 Software vs Hardware > >> > >> I don't know if this is the correct list (sorry if not), anyway: I > >> need to implement a simple raid1 with 2 9gigs SCSI HDD. I need a > >> inexpensive solution ... so i was thinking about a software raid1. > >> Is it possible? is it too slow? > > > > Your really not going to see very good performance with RAID if you're > > using only two spindles (i.e., discs). You might want to try going with 4 > > 4G discs, if possible. The question of performance is directly related to > > exactly how much I/O you're going to be shoving through the discs. "Only a > > mail server" doesn't really provide enough information, IMHO. > > The question was about RAID-1 (mirroring), which is more related to > availability than performance. You only need additional disks if you > need more than one disk's worth of data. bleh. You're right. Sorry for the misinformation. *reminds self to read more carefully next time* -- Christopher Nielsen Scient: The eBusiness Systems Innovator cnielsen@scient.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message