From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from kolab.zavadatar.com ([46.101.124.0]:52599 "EHLO kolab.zavadatar.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932086AbcFBKD4 (ORCPT ); Thu, 2 Jun 2016 06:03:56 -0400 Date: Thu, 2 Jun 2016 13:03:51 +0300 From: Yauhen Kharuzhy To: Filipe Manana Cc: Scott Talbert , "linux-btrfs@vger.kernel.org" Subject: Re: Device replace issues and disabling it until they are solved Message-ID: <20160602100321.GA20887@jeknote.loshitsa1.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Fri, May 27, 2016 at 10:43:47AM +0100, Filipe Manana wrote: > > Hi Filipe, > > Hi Scott, > > > > > Does your recent patch set (from May 20) address all of these issues? > > Yes. Tested, RAID5/6 still produces a plenty of 'failed to rebuild valid logical NNNNNN" messages after two consecutive device replaces. So, replace is still not usable for RAID5/6. And it is very slow in comparison with 'device add && balance device remove missing' sequence (4x slower). -- Yauhen Kharuzhy