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=-5.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 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 513C1C07E95 for ; Sat, 10 Jul 2021 06:35:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2906561369 for ; Sat, 10 Jul 2021 06:35:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231342AbhGJGiW (ORCPT ); Sat, 10 Jul 2021 02:38:22 -0400 Received: from smtp01.belwue.de ([129.143.71.86]:36402 "EHLO smtp01.belwue.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229612AbhGJGiV (ORCPT ); Sat, 10 Jul 2021 02:38:21 -0400 Received: from fex.rus.uni-stuttgart.de (fex.rus.uni-stuttgart.de [129.69.1.129]) by smtp01.belwue.de (Postfix) with SMTP id 4E02E602C for ; Sat, 10 Jul 2021 08:35:35 +0200 (MEST) Date: Sat, 10 Jul 2021 08:35:35 +0200 From: Ulli Horlacher To: Btrfs BTRFS Subject: Re: cannot use btrfs for nfs server Message-ID: <20210710063535.GE1548@tik.uni-stuttgart.de> Mail-Followup-To: Btrfs BTRFS References: <20210310074620.GA2158@tik.uni-stuttgart.de> <20210311074636.GA28705@tik.uni-stuttgart.de> <20210708221731.GB8249@tik.uni-stuttgart.de> <56c40592-0937-060a-5f8a-969d8a88d541@cobb.uk.net> <20210709065320.GC8249@tik.uni-stuttgart.de> <475ccf1.ca37f515.17a8a262a72@tnonline.net> <20210709073444.GA582@tik.uni-stuttgart.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Fri 2021-07-09 (10:30), Chris Murphy wrote: > On Fri, Jul 9, 2021 at 1:34 AM Ulli Horlacher > wrote: > > > > > root@tsmsrvj:/# du -s /nfs/localhost/fex > > du: WARNING: Circular directory structure. > > This almost certainly means that you have a corrupted file system. > > NOTIFY YOUR SYSTEM MANAGER. > > The following directory is part of the cycle: > > /nfs/localhost/fex/spool > > What do you get for: > > btrfs subvolume list -to /nfs/localhost/fex root@tsmsrvj:~# btrfs subvolume list -to /nfs/localhost/fex ERROR: not a btrfs filesystem: /nfs/localhost/fex ERROR: can't access '/nfs/localhost/fex' root@tsmsrvj:~# mount | grep localhost localhost:/data/fex on /nfs/localhost/fex type nfs4 (rw,relatime,vers=4.2,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,clientaddr=127.0.0.1,local_lock=none,addr=127.0.0.1) -- Ullrich Horlacher Server und Virtualisierung Rechenzentrum TIK Universitaet Stuttgart E-Mail: horlacher@tik.uni-stuttgart.de Allmandring 30a Tel: ++49-711-68565868 70569 Stuttgart (Germany) WWW: http://www.tik.uni-stuttgart.de/ REF: