From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stan Hoeppner Subject: Re: What's the typical RAID10 setup? Date: Thu, 03 Feb 2011 02:18:24 -0600 Message-ID: <4D4A64D0.5060900@hardwarefreak.com> References: <20110131192858.GD27952@www2.open-std.org> <4D4718E1.9040607@hardwarefreak.com> <20110131203725.GB2283@www2.open-std.org> <20110131225235.GA11775@www2.open-std.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Drew Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids Drew put forth on 2/2/2011 9:36 PM: > You tell me. Given 1 in 3 odds of surviving a second disk failure or 2 > in 3 odds, which would you choose? :-) This is also why few, if any, hardware RAID vendors offer RAID 0+1. Most (all?) offer only RAID 10. However, due to the RAID level migrations offered by some hardware RAID controllers, a customer can actually end up with a RAID 0+1 array if they go through a specific migration/expansion path. Obviously you'd want to avoid those paths. -- Stan