Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934837AbcKJQQy (ORCPT ); Thu, 10 Nov 2016 11:16:54 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:33290 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934058AbcKJQQw (ORCPT ); Thu, 10 Nov 2016 11:16:52 -0500 Subject: Re: [PATCH] f2fs: support multiple devices To: "Austin S. Hemmelgarn" , Qu Wenruo , Andreas Dilger , Jaegeuk Kim References: <20161109205653.70061-1-jaegeuk@kernel.org> <0D1876A8-BB77-4C1A-BE4F-B4A0E81DD4EA@dilger.ca> <4ec4d8f2-da23-762d-ba81-12e76ed09793@cn.fujitsu.com> <749156c9-2b3e-4210-a89b-2d664f9d2fc2@gmail.com> Cc: LKML , Lustre Development , linux-fsdevel , linux-f2fs-devel@lists.sourceforge.net, linux-btrfs , "Darrick J. Wong" From: Anand Jain Message-ID: Date: Fri, 11 Nov 2016 00:19:12 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 In-Reply-To: <749156c9-2b3e-4210-a89b-2d664f9d2fc2@gmail.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 475 Lines: 12 (this is deviating from the subject, sorry about that) > Pretty much, if you're using just raid1 mode, without > compression, on reasonable storage devices, things are rock-solid > relative to the rest of BTRFS. IMO, BTRFS volume manger feature is incomplete and there is RAID1 critical bug which affects availability, so its not suitable for enterprise solutions yet. However it should be fine in a setup where dedicated sysadmin and maintenance downtime is a choice.