From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ot0-f175.google.com ([74.125.82.175]:43084 "EHLO mail-ot0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750869AbeAUXYs (ORCPT ); Sun, 21 Jan 2018 18:24:48 -0500 Received: by mail-ot0-f175.google.com with SMTP id p36so5996535otd.10 for ; Sun, 21 Jan 2018 15:24:48 -0800 (PST) MIME-Version: 1.0 In-Reply-To: References: <7ebd40d4-3eea-9ad7-492f-b5d22cf935b0@gmail.com> <05babf08-00de-ae0f-06f3-546719674aa1@gmail.com> From: Chris Murphy Date: Sun, 21 Jan 2018 16:24:47 -0700 Message-ID: Subject: Re: Can't mount (even in ro) after power outage - corrupt leaf, open_ctree failed To: msk conf , Btrfs BTRFS Content-Type: text/plain; charset="UTF-8" Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Sun, Jan 21, 2018 at 4:13 PM, Chris Murphy wrote: > On Sun, Jan 21, 2018 at 3:31 PM, msk conf wrote: >> Hello, >> >> thank you for the reply. >> >>> What do you get for btrfs fi df /array >> >> >> Can't do that because filesystem is not mountable. I will get stats for '/' >> filesystem instead (because '/array' is an empty directory - mountpoint on / > > Try > $ sudo btrfs-debug-tree -t chunk /dev/mapper/first | grep 'METADATA\|SYSTEM' You need to adapt that /dev/ node for your case, I just copy pasted that from my setup. Anyway, that will look at the chunk tree and show the profile for these chunk types. -- Chris Murphy