From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 138ABC433E0 for ; Wed, 8 Jul 2020 17:44:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 02331207D0 for ; Wed, 8 Jul 2020 17:44:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728014AbgGHRoM (ORCPT ); Wed, 8 Jul 2020 13:44:12 -0400 Received: from rin.romanrm.net ([51.158.148.128]:57480 "EHLO rin.romanrm.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727992AbgGHRoK (ORCPT ); Wed, 8 Jul 2020 13:44:10 -0400 Received: from natsu (unknown [IPv6:fd39::e99e:8f1b:cfc9:ccb8]) by rin.romanrm.net (Postfix) with SMTP id 18970463; Wed, 8 Jul 2020 17:44:07 +0000 (UTC) Date: Wed, 8 Jul 2020 22:44:08 +0500 From: Roman Mamedov To: Marc MERLIN Cc: Zygo Blaxell , "linux-btrfs@vger.kernel.org" Subject: Re: 5.6 pretty massive unexplained btrfs corruption: parent transid verify failed + open_ctree failed Message-ID: <20200708224408.6f392c72@natsu> In-Reply-To: <20200708174110.GU30660@merlins.org> References: <20200707035530.GP30660@merlins.org> <20200708034407.GE10769@hungrycats.org> <20200708041041.GN1552@merlins.org> <20200708054905.GA8346@hungrycats.org> <20200708174110.GU30660@merlins.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Wed, 8 Jul 2020 10:41:10 -0700 Marc MERLIN wrote: > On Wed, Jul 08, 2020 at 01:49:05AM -0400, Zygo Blaxell wrote: > > > Sorry, PPL? > > > > Partial Parity Log. It can be enabled by mdadm --grow. It's a mdadm > > consistency policy, like the journal, but uses reserved metadata space > > instead of a separate device. > > looks like it's incompatible with --bitmap which I was already using. > I'm not sure if --grow was possible to convert from one to another At least you can definitely remove the bitmap with --bitmap=none in the grow mode. Then in the second --grow can probably add PPL (unfamiliar with that). -- With respect, Roman