From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <3FFD9E2C.2040105@stercomm.com> From: Chris Cox MIME-Version: 1.0 Subject: Re: [linux-lvm] S.A.M.E methodology References: <1DCD421BDE8C3C478E9A0A84B75702931165D6@srv-pae-ex01.rge-rs.com.br> <1073584771.14632.20.camel@gecko.indygecko.com> In-Reply-To: <1073584771.14632.20.camel@gecko.indygecko.com> Content-Transfer-Encoding: 7bit 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: Thu Jan 8 13:16:02 2004 List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: linux-lvm@sistina.com Jord Tanner wrote: > This technique, also called RAID 1+0, is often used in database ... While both RAID 0+1 and RAID 10 have good performance characteristics... RAID 10 is much, much more reliable. Good RAID 10 solutions generally are HW based RAID. Though I have used Veritas in the past to do a RAID 10. Not sure exactly how to perform a RAID 10 in software with Linux. A single drive failure in 0+1 invalidates the entire column. With RAID 10, there's the possibility of tolerating multiple drive failures.