From nobody Wed Aug 10 19:24:22 2022 X-Original-To: questions@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4M30Hj2G2Jz4Z70H for ; Wed, 10 Aug 2022 19:24:33 +0000 (UTC) (envelope-from guru@unixarea.de) Received: from ms-10.1blu.de (ms-10.1blu.de [178.254.4.101]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4M30Hg6tfJz3fJ5 for ; Wed, 10 Aug 2022 19:24:31 +0000 (UTC) (envelope-from guru@unixarea.de) Received: from [95.115.15.102] (helo=localhost.unixarea.de) by ms-10.1blu.de with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oLrJZ-0006KJ-9R; Wed, 10 Aug 2022 21:24:25 +0200 Received: from localhost.my.domain (localhost [127.0.0.1]) by localhost.unixarea.de (8.16.1/8.14.9) with ESMTPS id 27AJOO4F016691 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Wed, 10 Aug 2022 21:24:24 +0200 (CEST) (envelope-from guru@unixarea.de) Received: (from guru@localhost) by localhost.my.domain (8.16.1/8.14.9/Submit) id 27AJOM1o016690; Wed, 10 Aug 2022 21:24:22 +0200 (CEST) (envelope-from guru@unixarea.de) X-Authentication-Warning: localhost.my.domain: guru set sender to guru@unixarea.de using -f Date: Wed, 10 Aug 2022 21:24:22 +0200 From: Matthias Apitz To: Ian Smith Cc: Matthias Apitz , David Christensen , questions Subject: Re: What is the best way to look for a lost file in the disk blocks Message-ID: Reply-To: Matthias Apitz References: <20220809122357.GA17@sh4-5.1blu.de> <448ac676-5acd-02b2-00c6-5ae0c6773438@holgerdanske.com> List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Operating-System: FreeBSD 13.0-CURRENT r368166 (amd64) X-message-flag: Mails containing HTML will not be read! Please send only plain text. X-Con-Id: 51246 X-Con-U: 0-guru X-Originating-IP: 95.115.15.102 X-Rspamd-Queue-Id: 4M30Hg6tfJz3fJ5 X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=none (mx1.freebsd.org: domain of guru@unixarea.de has no SPF policy when checking 178.254.4.101) smtp.mailfrom=guru@unixarea.de X-Spamd-Result: default: False [-1.60 / 15.00]; AUTH_NA(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-0.998]; MID_RHS_NOT_FQDN(0.50)[]; MIME_GOOD(-0.10)[text/plain]; RCPT_COUNT_THREE(0.00)[4]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; R_SPF_NA(0.00)[no SPF record]; DMARC_NA(0.00)[unixarea.de]; REPLYTO_EQ_FROM(0.00)[]; MLMMJ_DEST(0.00)[questions@freebsd.org]; ARC_NA(0.00)[]; RCVD_TLS_LAST(0.00)[]; HAS_XAW(0.00)[]; RCVD_COUNT_THREE(0.00)[4]; HAS_XOIP(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RWL_MAILSPIKE_POSSIBLE(0.00)[178.254.4.101:from]; TO_DN_ALL(0.00)[]; R_DKIM_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; ASN(0.00)[asn:42730, ipnet:178.254.0.0/19, country:DE]; MIME_TRACE(0.00)[0:+]; HAS_REPLYTO(0.00)[guru@unixarea.de] X-ThisMailContainsUnwantedMimeParts: N El día jueves, agosto 11, 2022 a las 04:05:10a. m. +1000, Ian Smith escribió: > Could any other files written since have reused those blocks? I'm a little surprised if the cp did that ... > Well, the hardware in question is a tiny Acer C720 netbook and the "disk" is a 512 GByte SSD chip. Said this, there is nearly no chance to "pull out the cables" and later mount the "disk" read only. Either the copy or later system boot overwrote my beloved blocks. Thanks for your hint, Ian. Michael Schuster , sorry, I have to delete you from Cc because Google is not accepting mails from my zone. It requires some sophisticated DNS configuration, I'm unwilling to do because it has nothing todo with SMTP. matthias -- Matthias Apitz, ✉ guru@unixarea.de, http://www.unixarea.de/ +49-176-38902045 Public GnuPG key: http://www.unixarea.de/key.pub