From nobody Thu Oct 10 15:17:24 2024 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 4XPYK740Bjz5Z9T3 for ; Thu, 10 Oct 2024 15:17:31 +0000 (UTC) (envelope-from ralf-mardorf@riseup.net) Received: from mx1.riseup.net (mx1.riseup.net [198.252.153.129]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "mx1.riseup.net", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4XPYK51tgXz4lHP for ; Thu, 10 Oct 2024 15:17:29 +0000 (UTC) (envelope-from ralf-mardorf@riseup.net) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=riseup.net header.s=squak header.b=HB6Db37R; spf=pass (mx1.freebsd.org: domain of ralf-mardorf@riseup.net designates 198.252.153.129 as permitted sender) smtp.mailfrom=ralf-mardorf@riseup.net; dmarc=pass (policy=none) header.from=riseup.net Received: from fews01-sea.riseup.net (fews01-sea-pn.riseup.net [10.0.1.109]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx1.riseup.net (Postfix) with ESMTPS id 4XPYK35K7vzDqWY for ; Thu, 10 Oct 2024 15:17:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=riseup.net; s=squak; t=1728573447; bh=OrcIJ2YpBolfdhM/iVS87ttQi8DdHNB+hyef7CewU0E=; h=Subject:From:To:Date:In-Reply-To:References:From; b=HB6Db37RHQpl1KUERqTk1+fZbtNfN0XxikkfHywh4MJgWsoPTp7x8jfy4ZNC59eWx hvf+rATQZJfFGzyhGKPRyPwDf2gZk7ZqQ826CqxZ6drDL+TqWO8HgNbNPvcfqC6EUp rLXRP2wbfdh08jSnVmBWlXeKzsuInTJowa2gyuT0= X-Riseup-User-ID: 7FC7E864A94903F412E70C87B494717946C4B694DAEA5B36852E77C8E039421E Received: from [127.0.0.1] (localhost [127.0.0.1]) by fews01-sea.riseup.net (Postfix) with ESMTPSA id 4XPYK30cP9zJmpK for ; Thu, 10 Oct 2024 15:17:26 +0000 (UTC) Message-ID: <4592b3d058a5c2c2c5acf752706ade1e4e1ed7ca.camel@riseup.net> Subject: Re: How to zero a failing disk drive before disposal? From: Ralf Mardorf To: questions@freebsd.org Date: Thu, 10 Oct 2024 17:17:24 +0200 In-Reply-To: References: <5117.1728561469@segfault.tristatelogic.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-questions@freebsd.org Sender: owner-freebsd-questions@FreeBSD.org MIME-Version: 1.0 X-Spamd-Result: default: False [-4.20 / 15.00]; DWL_DNSWL_LOW(-1.00)[riseup.net:dkim]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; SUBJECT_ENDS_QUESTION(1.00)[]; NEURAL_HAM_SHORT(-1.00)[-1.000]; DMARC_POLICY_ALLOW(-0.50)[riseup.net,none]; R_DKIM_ALLOW(-0.20)[riseup.net:s=squak]; R_SPF_ALLOW(-0.20)[+a:mx1.riseup.net]; RCVD_IN_DNSWL_LOW(-0.10)[198.252.153.129:from]; MIME_GOOD(-0.10)[text/plain]; RWL_MAILSPIKE_GOOD(-0.10)[198.252.153.129:from]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; DKIM_TRACE(0.00)[riseup.net:+]; RCVD_TLS_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; ASN(0.00)[asn:16652, ipnet:198.252.153.0/24, country:US]; ARC_NA(0.00)[]; TO_DN_NONE(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; MISSING_XM_UA(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[questions@freebsd.org]; MID_RHS_MATCH_FROM(0.00)[]; MLMMJ_DEST(0.00)[questions@freebsd.org]; RCVD_VIA_SMTP_AUTH(0.00)[]; MIME_TRACE(0.00)[0:+] X-Rspamd-Queue-Id: 4XPYK51tgXz4lHP X-Spamd-Bar: ---- On Thu, 2024-10-10 at 15:36 +0300, Odhiambo Washington wrote: > remove the [...] the magnets (for use elsewhere) Hi, in terms of sustainability and children's education, this is my favourite piece of advice. https://www.youtube.com/watch?v=3Drn6rgxsm5oA https://www.youtube.com/watch?v=3DNXD9gDCw7uU On Thu, 2024-10-10 at 04:57 -0700, Ronald F. Guilmette wrote: > I'm paranoid. Someone might have the skills to extract data even after the plates have been shredded and fused into a lump. Maybe it is best to sherd the plates, mix the fragments and shoot one half into the sun with a rocket and the other half onto Venus. On Thu, 2024-10-10 at 08:16 -0500, robert@rrbrussell.com wrote: > invoke the ATA Secure Erase feature ATA Secure Erase or ATA Cryptographic Key Reset are as secure as a pager or walkie-talkie, as it is impossible to know whose fingers were involved in their manufacture or in the supply chain. How paranoid were you when the drive was still in use? Was the computer hidden deep in a secret vault in a bunker in a mountain? If you are not too paranoid, consider to dismantle the drive and dispose a part of it in an environmentally friendly way, while placing the damaged plates in public waste bins in various places. Regards, Ralf