From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f181.google.com ([209.85.223.181]:32809 "EHLO mail-io0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932832AbcFCSmm (ORCPT ); Fri, 3 Jun 2016 14:42:42 -0400 Received: by mail-io0-f181.google.com with SMTP id t40so83571705ioi.0 for ; Fri, 03 Jun 2016 11:42:41 -0700 (PDT) Message-ID: <1464979359.1571.25.camel@gmail.com> Subject: Re: RAID1 vs RAID10 and best way to set up 6 disks From: Mitchell Fossen To: Christoph Anton Mitterer , linux-btrfs@vger.kernel.org Date: Fri, 03 Jun 2016 13:42:39 -0500 In-Reply-To: <1464977591.6679.13.camel@scientia.net> References: <1464977432.1571.20.camel@gmail.com> <1464977591.6679.13.camel@scientia.net> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org List-ID: Thanks for pointing that out, so if I'm thinking correctly, with RAID1 it's just that there is a copy of the data somewhere on some other drive. With RAID10, there's still only 1 other copy, but the entire "original" disk is mirrored to another one, right? On Fri, 2016-06-03 at 20:13 +0200, Christoph Anton Mitterer wrote: > On Fri, 2016-06-03 at 13:10 -0500, Mitchell Fossen wrote: > > > > Is there any caveats between RAID1 on all 6 vs RAID10? > Just to be safe: RAID1 in btrfs means not what RAID1 means in any > other > terminology about RAID. > > The former has only two duplicates, the later means full mirroring of > all devices. > > > Cheers, > Chris.