From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Anthony W. Marino" Subject: Re: re[2]: [linux-lvm] System Suggestions References: In-Reply-To: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-Id: Sender: linux-lvm-admin@sistina.com Errors-To: linux-lvm-admin@sistina.com Reply-To: linux-lvm@sistina.com List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: Date: Wed Mar 6 15:39:02 2002 List-Id: Content-Type: text/plain; charset="us-ascii" To: Seth Mos , Greg Freemyer Cc: Petro , linux-lvm@sistina.com, linux-xfs@oss.sgi.com, mysql@lists.mysql.com > > If you are looking into using the 3Ware controllers watch the following: > The 64xx controllers are underpowered and should better not be used in > raid 5 mode. > The 74xx controllers seem to be good and should be fine with raid5 but > note that raid5 will always have slow write speeds. > Is there a way to minimize the write penalty using both XFS and LVM with RAID 5? Thanks, Anthony > Software raid can be used if you need a lot of speed _and_ redundancy. > > Cheers > Seth