From owner-freebsd-questions@freebsd.org Wed Sep 30 16:25:59 2020 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id D189242B814 for ; Wed, 30 Sep 2020 16:25:59 +0000 (UTC) (envelope-from freebsd@edvax.de) Received: from mout.kundenserver.de (mout.kundenserver.de [217.72.192.73]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "mout.kundenserver.de", Issuer "TeleSec ServerPass Class 2 CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4C1hT241Bbz4TVv for ; Wed, 30 Sep 2020 16:25:57 +0000 (UTC) (envelope-from freebsd@edvax.de) Received: from r56.edvax.de ([178.8.32.68]) by mrelayeu.kundenserver.de (mreue107 [212.227.15.183]) with ESMTPA (Nemesis) id 1MGhi0-1kAxcH2pd4-00Dkqx; Wed, 30 Sep 2020 18:25:55 +0200 Date: Wed, 30 Sep 2020 18:25:55 +0200 From: Polytropon To: Christoph Kukulies Cc: freebsd-questions@freebsd.org Subject: Re: concluding from dd raw dump size to disk mfgr Message-Id: <20200930182555.54725564.freebsd@edvax.de> In-Reply-To: References: <876b79ff-b781-fede-a4de-cb58becd557c@kukulies.org> <20200930133550.24c382b6.freebsd@edvax.de> Reply-To: Polytropon Organization: EDVAX X-Mailer: Sylpheed 3.1.1 (GTK+ 2.24.5; i386-portbld-freebsd8.2) Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:pPEaCNaUY2XkExZVzPvZS62nw3Af7evunFrM7P5N5ZtuBj6pYF0 SXMWt6Dl36trLrSO424vHgD3RsaHL0LphW2/m8S3PTbJ4WY6y4AdgeuUwNsw1LbQSPzTp2r gxIreoUah0e1pI3p2HbrZMYzfM5Wzc6QKGLzhW87jXlhK3PdqaWbxJiEqBLp6ij1x+o6Bvt VyQYwljnsdIq4KihCXlVw== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:iQk5sQglh7Y=:ZbwVBS93I9I4RJfE3Bx7tj mNB1sYX6F9S+4ZsArRELZIazjt40O6wFhJsjl4blAyzhejacopgBn+bNpkyHDXrmF9PYj2iPE JvlAZh8HEDFBY2iaWA7D1X+qEcY2ZlaRjUnCBV8ZWLUos8wgmXphKA0vjtYT4oCDXRtuTsWVe xtZSkDdMcgP5EORAq0spUCsrdY269Mq9aN5MJgDgo10oDkxnNDsh0FyzACreOTiz6lYEREomG 0xKQwaI0YoiuZ3daiZFgjXmWa1qWZjCtXJay4s3JNgzaBAKHliLYRIEPMTYygJnG7JEqeNqTt irsQlITk3nzXpcjKBOAWoZPiEffivXJXt3OL43P/+DaLy9jlQ6dYz9Co9Na6w9IZ3GWc1BtY4 pTGZSYwajbuNxUele3Cyl8gJnOdPyWXW473gLS16kd3g3d7ech+YuDozOpiyGxL1srlNC5S7m pW+//8aQ03thKIQNPgslwWQjIvlDGpFvOEnT3N6srboRhClyM1/jiXr30JTGbaLu3fU5J7tBU uY91UKQA5hbRVnJ2M6MYosUIeTXxQSKQ0frUznP3+z9ihBX89x4dOdR5Q9CSwuIB3971ghDa9 KSXGP1pOCVISMIz+Elf/OnIWY/I+YuhbbCEgG670RlOMBFfnwKee9FocEzBLfm/LiEAKLNYek cE2JY0JUtqpzrX5ZCyXry87/k+iq+rGTpxsr5sVkB84zUAwoWoaRjaS5H1QAQK3uI5erDJH/Q jqDNSrvPnN/C4eiK+nDNwQMihQJrSsHYib/VFnODyhsdJW+xdxbfTVtmdzy7xgJ+FZONwGkoG /wSU6zK2GzwwUtALZqqd9VDRK8L/D+44gH658jSWQHz14bahnqexs/k93fzw1LH6XPrdWrn X-Rspamd-Queue-Id: 4C1hT241Bbz4TVv X-Spamd-Bar: + Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=none (mx1.freebsd.org: domain of freebsd@edvax.de has no SPF policy when checking 217.72.192.73) smtp.mailfrom=freebsd@edvax.de X-Spamd-Result: default: False [1.52 / 15.00]; HAS_REPLYTO(0.00)[freebsd@edvax.de]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; MV_CASE(0.50)[]; HAS_ORG_HEADER(0.00)[]; NEURAL_HAM_SHORT(-0.28)[-0.278]; RCPT_COUNT_TWO(0.00)[2]; RECEIVED_SPAMHAUS_PBL(0.00)[178.8.32.68:received]; RCVD_TLS_LAST(0.00)[]; R_DKIM_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:8560, ipnet:217.72.192.0/20, country:DE]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.46)[-0.458]; REPLYTO_EQ_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-0.14)[-0.140]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[edvax.de]; AUTH_NA(1.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MID_CONTAINS_FROM(1.00)[]; RCVD_IN_DNSWL_NONE(0.00)[217.72.192.73:from]; R_SPF_NA(0.00)[no SPF record]; RWL_MAILSPIKE_POSSIBLE(0.00)[217.72.192.73:from]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-questions] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Sep 2020 16:25:59 -0000 On Wed, 30 Sep 2020 14:59:32 +0200, Christoph Kukulies wrote: > [...] > > > Am 30.09.2020 um 13:35 schrieb Polytropon : > > > > On Wed, 30 Sep 2020 09:40:00 +0200, Christoph Kukulies wrote: > >> I made a dd dump of a raw disk device the other day. The size of the > >> dump is exactly > >> > >> 500107862016 bytes in size, corresponding to 997773168 sectors (512bytes). > >> > >> I would like to dump this file back to a physical device. Best would be > >> the one which fits exactly that size. Unfortunately I presently don't > >> know what drive mfgr./type this corresponds to. Is there a way to find out? > > > > A convenient way is to use the following command: > > > > # diskinfo -v > > > > Also check the corresponding entry in the "dmesg" output. > > > > Note that AF devices might prefer a sector size of 4kB (4039 > > > What is „AF“ devices? This is short for "advanced format", indicating that those devices use a sector size of 4096 bytes ("4K-drives") instead of 512 bytes. -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...