Date: Fri, 6 Nov 1998 16:41:23 -0800 (PST) From: Christopher Nielsen <enkhyl@scient.com> To: Greg Lehey <grog@lemis.com> Cc: Bagnara Stefano <bago@datasail.it>, freebsd-fs@FreeBSD.ORG Subject: Re: RAID1 Software vs Hardware Message-ID: <Pine.BSF.4.05.9811061640060.455-100000@ender.sf.scient.com> In-Reply-To: <19981107102145.G499@freebie.lemis.com>
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On Sat, 7 Nov 1998, Greg Lehey wrote: > Date: Sat, 7 Nov 1998 10:21:45 +1030 > From: Greg Lehey <grog@lemis.com> > To: enkhyl@hayseed.net, Bagnara Stefano <bago@datasail.it> > 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 <bago@datasail.it> > >> 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 <http://www.scient.com>; cnielsen@scient.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message
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