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 Message-ID: <19981107102145.G499@freebie.lemis.com> In-Reply-To: <Pine.BSF.4.05.9811061332290.455-100000@ender.sf.scient.com>; from Christopher Nielsen on Fri, Nov 06, 1998 at 01:35:51PM -0800 References: <008e01be09a3$88e06880$0f63b1c2@lust.datasail.it> <Pine.BSF.4.05.9811061332290.455-100000@ender.sf.scient.com>
next in thread | previous in thread | raw e-mail | index | archive | help
[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. Greg -- See complete headers for address, home page and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19981107102145.G499>