From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:48745 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753892AbaADBLF convert rfc822-to-8bit (ORCPT ); Fri, 3 Jan 2014 20:11:05 -0500 From: Chris Mason To: "dave@thekilempire.com" CC: "linux-btrfs@vger.kernel.org" Subject: Re: Status of raid5/6 in 2014? Date: Sat, 4 Jan 2014 01:11:00 +0000 Message-ID: <1388797899.23513.2.camel@ret.masoncoding.com> References: In-Reply-To: Content-Type: text/plain; charset="utf-7" MIME-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Fri, 2014-01-03 at 11:45 -0500, Dave wrote: +AD4- Back in Feb 2013 there was quite a bit of press about the preliminary +AD4- raid5/6 implementation in Btrfs. At the time it wasn't useful for +AD4- anything other then testing and it's my understanding that this is +AD4- still the case. +AD4- +AD4- I've seen a few git commits and some chatter on this list but it would +AD4- appear the developers are largely silent. Parity based raid would be +AD4- a powerful addition the the Btrfs feature stack and it's the feature I +AD4- most anxiously await. Are there any milestones planned for 2014? +AD4- +AD4- Keep up the good work... Thanks+ACE- The big thing missing from RAID5/6 has been logging of parity to make sure the parity is consistent after a power outage. I'm back on this now, and making some progress. We also need to fix scrub support for raid5/6, which will happen after the parity work. -chris