From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,1101264a9f24d62d X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII Path: g2news1.google.com!news4.google.com!news.glorb.com!hwmnpeer01.lga!hwmedia!news-server.columbus.rr.com!cyclone2.kc.rr.com!news2.kc.rr.com!tornado.socal.rr.com.POSTED!53ab2750!not-for-mail Newsgroups: comp.lang.ada Subject: Re: Wiping a disk clean References: From: Keith Thompson Message-ID: User-Agent: Gnus/5.1006 (Gnus v5.10.6) Emacs/21.3 (gnu/linux) Cancel-Lock: sha1:dtztULbITkYqlUVO4OfIyGpMB/M= MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Date: Wed, 03 Aug 2005 22:46:19 GMT NNTP-Posting-Host: 66.75.136.120 X-Complaints-To: abuse@rr.com X-Trace: tornado.socal.rr.com 1123109179 66.75.136.120 (Wed, 03 Aug 2005 15:46:19 PDT) NNTP-Posting-Date: Wed, 03 Aug 2005 15:46:19 PDT Organization: Road Runner High Speed Online http://www.rr.com Xref: g2news1.google.com comp.lang.ada:3945 Date: 2005-08-03T22:46:19+00:00 List-Id: Jean-Pierre Rosen writes: > Dennis Lee Bieber a �crit : > >> I spent 20 years on a program where the only allowed means of >> removing a disk drive was to run it into a heavy demagnetizer... And I >> mean HEAVY -- it not only wiped the platter of magnetic traces, but also >> wiped the motor magnets and the head positioning magnets. IOW: no more >> drive (well, the drive controller card might be salvageble). >> > > If you need *that* level of security, I would say nothing beats > putting the drive under a road roller... Since disk platters are quite flat to begin with, I can imagine that a lot of information could still be recovered (unless the road roller is heavily magnetized, of course). -- Keith Thompson (The_Other_Keith) kst-u@mib.org San Diego Supercomputer Center <*> We must do something. This is something. Therefore, we must do this.