From owner-freebsd-questions@freebsd.org Thu Mar 16 19:46:20 2017 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D129BD0F3CA for ; Thu, 16 Mar 2017 19:46:20 +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-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 8DA621E7E for ; Thu, 16 Mar 2017 19:46:20 +0000 (UTC) (envelope-from guru@unixarea.de) Received: from [2.247.246.112] (helo=localhost.unixarea.de) by ms-10.1blu.de with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.86_2) (envelope-from ) id 1cobLk-0005Nk-Rm for freebsd-questions@freebsd.org; Thu, 16 Mar 2017 20:46:17 +0100 Received: from localhost.my.domain (c720-r314251 [127.0.0.1]) by localhost.unixarea.de (8.15.2/8.14.9) with ESMTPS id v2GJkDBh001820 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Mar 2017 20:46:13 +0100 (CET) (envelope-from guru@unixarea.de) Received: (from guru@localhost) by localhost.my.domain (8.15.2/8.14.9/Submit) id v2GJkDbY001819 for freebsd-questions@freebsd.org; Thu, 16 Mar 2017 20:46:13 +0100 (CET) (envelope-from guru@unixarea.de) X-Authentication-Warning: localhost.my.domain: guru set sender to guru@unixarea.de using -f Date: Thu, 16 Mar 2017 20:46:12 +0100 From: Matthias Apitz To: freebsd-questions@freebsd.org Subject: bootable ext. USB SSD for backup Message-ID: <20170316194612.GA1748@c720-r314251> Reply-To: Matthias Apitz Mail-Followup-To: Matthias Apitz , freebsd-questions@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit X-Operating-System: FreeBSD 12.0-CURRENT r314251 (amd64) User-Agent: Mutt/1.8.0 (2017-02-23) X-Con-Id: 51246 X-Con-U: 0-guru X-Originating-IP: 2.247.246.112 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Mar 2017 19:46:20 -0000 Hello, I have acquired a small and flat USB 3.0 external disk (must be SSD for the size of the case): Mar 16 19:36:54 c720-r314251 kernel: da0: Fixed Direct Access SPC-4 SCSI device Mar 16 19:36:54 c720-r314251 kernel: da0: Serial Number 20170114010787F Mar 16 19:36:54 c720-r314251 kernel: da0: 40.000MB/s transfers Mar 16 19:36:54 c720-r314251 kernel: da0: 953869MB (1953525164 512 byte sectors) Mar 16 19:36:54 c720-r314251 kernel: da0: quirks=0x2 Ofc it has not the promised 1 TB volume, just only 953869 MB, i.e. only 1 Marketing-TB; I'm thinking in re-partitioning the disk (which is actual only one big NTFS slice) with gpart(8), install even a kernel into a small FS at the beginning and keep the rest as a big UFS for backups. Having it bootable with a system could be handy if one has to rescue a system and restore the last dunp. Any ideas/comments matthias -- Matthias Apitz, ✉ guru@unixarea.de, ⌂ http://www.unixarea.de/ ☎ +49-176-38902045