From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stan Hoeppner Subject: Re: Usefulness of RAID 4 Date: Tue, 19 Feb 2013 16:41:09 -0600 Message-ID: <5123FF85.50105@hardwarefreak.com> References: Reply-To: stan@hardwarefreak.com 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: Chris Murphy Cc: "linux-raid@vger.kernel.org list" List-Id: linux-raid.ids On 2/18/2013 9:01 PM, Chris Murphy wrote: > Assuming HDD only, is there broad use case for RAID 4 that RAID 5 isn't equally or better suited for? > > What about making the parity drive an SSD, keeping the other drives HDD? Why are you revisiting RAID-4? It's dead tech, decades ago. It has no advantages over subsequent RAID levels, yet significant handicap. -- Stan