From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id BF9F21381F3 for ; Tue, 17 Sep 2013 09:44:19 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 8B1FCE0BF3; Tue, 17 Sep 2013 09:44:07 +0000 (UTC) Received: from mail-qe0-f48.google.com (mail-qe0-f48.google.com [209.85.128.48]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 80160E0BEB for ; Tue, 17 Sep 2013 09:44:06 +0000 (UTC) Received: by mail-qe0-f48.google.com with SMTP id nd7so3505025qeb.21 for ; Tue, 17 Sep 2013 02:44:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=TJfP7k7gWrJI/uC7bUlpUR1SlKJ22bAmOGxExkgJkY0=; b=rqT3RgG4RYhOhwYEmvDzfNyFdU+cztyn6aUotP6d48pqrGMxcLWeSc+TqVodaeI9a8 RHbr2olniuWL2RMpKueh6DFsuvjaVPUqK0aOv43Z3nlKaymCJhtV0YPixmQEfDj2hkFp aMMXOVOAjtTnMNFBWlmAQgaGyWtWrGt6OqyPTaGxIVBgs24/QjlzlBJuqzHIEePalb09 q2Mw1pVg2VbNu20jEMw4sS3HZcsidrg3XU5/JnLYN/IMspn4jZDD88slDfupl8942Ttp DHX8cRVDOTZyarjKv9X9c9sWYEOlpKQrSkIUhA+xHN7XO4EgEW/TWrIvkCyMNFHl8ub5 JMuA== Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 X-Received: by 10.224.88.70 with SMTP id z6mr680997qal.116.1379411045754; Tue, 17 Sep 2013 02:44:05 -0700 (PDT) Received: by 10.140.25.83 with HTTP; Tue, 17 Sep 2013 02:44:05 -0700 (PDT) In-Reply-To: <5238113C.7030604@gmail.com> References: <5238113C.7030604@gmail.com> Date: Tue, 17 Sep 2013 02:44:05 -0700 Message-ID: Subject: Re: [gentoo-user] ZFS From: Grant To: Gentoo mailing list Content-Type: text/plain; charset=ISO-8859-1 X-Archives-Salt: 8d97f188-7225-4111-ba20-582596c7d7ec X-Archives-Hash: 75324f3efd5d86b9ad9f5fb8382c15f4 >>> I'm convinced I need 3-disk RAID1 so I can lose 2 drives and keep >>> running. I'd also like to stripe for performance, resulting in >>> RAID10. It sounds like most hardware controllers do not support >>> 6-disk RAID10 so ZFS looks very interesting. >>> >>> Can I operate ZFS RAID without a hardware RAID controller? >> >> Yes. In fact, that's ZFS' preferred mode of operation (i.e., it >> handles all redundancy by itself). > > I would take it a step further and say that a hardware RAID controller > actively interferes with ZFS and gets in the way. It gets in the way so > much that one should not do it at all. > > Running the controller in JBOD mode is not a good idea, I'd say it's a > requirement. If I go with ZFS I won't have a RAID controller installed at all. One less point of hardware failure too. - Grant