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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E97BC433F5 for ; Fri, 5 Nov 2021 14:17:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4B38660FC2 for ; Fri, 5 Nov 2021 14:17:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233017AbhKEOUF (ORCPT ); Fri, 5 Nov 2021 10:20:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52502 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232410AbhKEOUF (ORCPT ); Fri, 5 Nov 2021 10:20:05 -0400 Received: from gwu.lbox.cz (proxybox.linuxbox.cz [IPv6:2a02:8304:2:66::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D89C3C061714 for ; Fri, 5 Nov 2021 07:17:25 -0700 (PDT) Received: from linuxbox.linuxbox.cz (linuxbox.linuxbox.cz [10.76.66.10]) by gwu.lbox.cz (Sendmail) with ESMTPS id 1A5EHKA6013967 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Fri, 5 Nov 2021 15:17:20 +0100 DKIM-Filter: OpenDKIM Filter v2.11.0 gwu.lbox.cz 1A5EHKA6013967 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxbox.cz; s=default; t=1636121842; bh=0kgafY8zhGuX2OGrSBr3jtyQGyG51wv3+CAS4zBe1cI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=MXVfwPz+xs6y3RTqOKM+hto/ANiPrG0gOe5JcCpCmT4xVliFuIJS6E+4SspHXQ5KV CwiEiD+4Rljgv2mIFVtGdYdPbB/iIDrLw230vumvt8tI5t+8/VH7z6NM1iahvbJ3PI tfO3kAWgXM4TY3qMagQHkUwIIHlqhZZIUD47EpvU= Received: from pcnci.linuxbox.cz (pcnci.linuxbox.cz [10.76.3.14]) by linuxbox.linuxbox.cz (Sendmail) with ESMTPS id 1A5EHKUQ002400 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Fri, 5 Nov 2021 15:17:20 +0100 Received: from pcnci.linuxbox.cz (localhost [127.0.0.1]) by pcnci.linuxbox.cz (8.15.2/8.15.2) with SMTP id 1A5EHJNs010672; Fri, 5 Nov 2021 15:17:19 +0100 Date: Fri, 5 Nov 2021 15:17:19 +0100 From: Nikola Ciprich To: Eric Sandeen Cc: linux-xfs@vger.kernel.org, Nikola Ciprich Subject: Re: XFS / xfs_repair - problem reading very large sparse files on very large filesystem Message-ID: <20211105141719.GI32555@pcnci.linuxbox.cz> References: <20211104090915.GW32555@pcnci.linuxbox.cz> <39784566-4696-2391-a6f5-6891c2c7802b@sandeen.net> <20211105141343.GH32555@pcnci.linuxbox.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211105141343.GH32555@pcnci.linuxbox.cz> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.85 on 10.76.66.2 X-Scanned-By: MIMEDefang v2.85/SpamAssassin v3.004006 on lbxovapx.linuxbox.cz (nik) X-Scanned-By: MIMEDefang 2.85 on 10.76.66.10 X-Antivirus: on lbxovapx.linuxbox.cz by Kaspersky antivirus, database version: 2021-11-05T13:09:00 X-Milter-Copy-Status: O Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org > > I'm guessing they are horrifically fragmented? What does xfs_bmap tell you > > about the number of extents in one of these files? > > unfortunately, xfs_bmap blocks on this file too: anyways, trying to run it on another similar file, which doesn't seem to suffer such problem (of 10TB size) shows 680657 allocation groups which I guess is not very good.. here's the output if it is of some use: https://storage.linuxbox.cz/index.php/s/AyZGW5Xdfxg47f6 -- ------------------------------------- Ing. Nikola CIPRICH LinuxBox.cz, s.r.o. 28.rijna 168, 709 00 Ostrava tel.: +420 591 166 214 fax: +420 596 621 273 mobil: +420 777 093 799 www.linuxbox.cz mobil servis: +420 737 238 656 email servis: servis@linuxbox.cz -------------------------------------