From owner-freebsd-questions@freebsd.org Sun Feb 24 06:53:43 2019 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id C3E1815149BF for ; Sun, 24 Feb 2019 06:53:43 +0000 (UTC) (envelope-from ml@netfence.it) Received: from soth.netfence.it (net-2-44-121-52.cust.vodafonedsl.it [2.44.121.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "mailserver.netfence.it", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 957C5892A2 for ; Sun, 24 Feb 2019 06:53:41 +0000 (UTC) (envelope-from ml@netfence.it) Received: from alamar.ventu (alamar.local.netfence.it [10.1.2.18]) (authenticated bits=0) by soth.netfence.it (8.15.2/8.15.2) with ESMTPSA id x1O6rSJc090645 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Sun, 24 Feb 2019 07:53:34 +0100 (CET) (envelope-from ml@netfence.it) X-Authentication-Warning: soth.netfence.it: Host alamar.local.netfence.it [10.1.2.18] claimed to be alamar.ventu Subject: Re: Recover failed SD card To: Polytropon Cc: "freebsd-questions@freebsd.org" References: <2341a9ac-42aa-737e-441f-b69cccc826c6@netfence.it> <20190224055321.14e7e462.freebsd@edvax.de> From: Andrea Venturoli Message-ID: <9cb7d703-bef2-8245-615c-4a471e858f32@netfence.it> Date: Sun, 24 Feb 2019 07:53:28 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: <20190224055321.14e7e462.freebsd@edvax.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 957C5892A2 X-Spamd-Bar: ++ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [2.79 / 15.00]; ARC_NA(0.00)[]; TO_DN_EQ_ADDR_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; NEURAL_SPAM_SHORT(0.94)[0.938,0]; IP_SCORE(0.16)[ip: (0.55), ipnet: 2.44.0.0/16(0.28), asn: 30722(-0.07), country: IT(0.05)]; MIME_GOOD(-0.10)[text/plain]; HAS_XAW(0.00)[]; DMARC_NA(0.00)[netfence.it]; AUTH_NA(1.00)[]; NEURAL_SPAM_MEDIUM(0.96)[0.962,0]; NEURAL_HAM_LONG(-0.16)[-0.164,0]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MX_GOOD(-0.01)[cached: mx.netfence.it]; RCPT_COUNT_TWO(0.00)[2]; R_SPF_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:30722, ipnet:2.44.0.0/16, country:IT]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 24 Feb 2019 06:53:43 -0000 On 2/24/19 5:53 AM, Polytropon wrote: > Did you ask your customer to recover from his backups? > Yes, of course you did. :-) "Back-what"? :) > This will probably apply to _any_ copying tool. For things > where dd fails, I often try dd_rescue and ddrescue As I said I tried "recoverdisk" (which is like ddrescue, but it's in base). > That's probably not directly possible. That's what I though; I just gave the ML a shot. >> The card should hold pictures, so I could go ahead with photorec once I >> got an even partial image. > > That is the recommended approach. Maybe you can already recover > a fraction of the images stored on the card. Tried that before posting; it finds nothing. To me it looks like I'm not even seeing the *first* 120 MB of the card. > There is another possibility, but it's actually _very_ hard > to do, and it's not guaranteed to work: > > Obtain an identical SD card. It has to be "as identical as > possible": same control unit, same memory unit, same firmware > revision (yes, there's "a whole computer with hard- and software" > on that thing!). Transplant the old memory chip to the new > card, removing its new memory chip (empty) beforehand. Then > try another identification. > > If it's a micro-SD card, don't inhale the chip. ;-) It's a micro-SD card and I'm not able to do this. Thanks anyway (to you and others who answered). bye av.