{"id":109,"date":"2022-06-18T13:20:36","date_gmt":"2022-06-18T04:20:36","guid":{"rendered":"https:\/\/kdobashi.jp\/personal_research\/?p=109"},"modified":"2022-06-28T08:31:55","modified_gmt":"2022-06-27T23:31:55","slug":"backup-erase_thoroughly-hdd-ssd-old_pc","status":"publish","type":"post","link":"https:\/\/kdobashi.jp\/personal_research\/backup-erase_thoroughly-hdd-ssd-old_pc.html","title":{"rendered":"\u53e4\u3044PC(Windows, Linux)\u306e\u30b9\u30c8\u30ec\u30fc\u30b8(HDD, SSD)\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u305f\u4e0a\u3067\u3001PC\u306e\u4e2d\u8eab\u3092\u5b8c\u5168\u6d88\u53bb"},"content":{"rendered":"\n<p>\u4ed5\u4e8b\u5834\u3084\u81ea\u5b85\u306b\u3001\u4f7f\u308f\u306a\u304f\u306a\u3063\u305f\u53e4\u3044PC\u304c\u6e9c\u307e\u3063\u3066\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u307e\u307e\u5ec3\u68c4\u3057\u3066\u3057\u307e\u3046\u3068\u3001\u5f8c\u3067\u91cd\u8981\u306a\u30c7\u30fc\u30bf\u30fc\u304c\u7121\u3044\u3053\u3068\u306b\u6c17\u304c\u4ed8\u3044\u3066\u30ac\u30c3\u30ab\u30ea\u3057\u305f\u308a\u3001\u500b\u4eba\u60c5\u5831\u7b49\u304c\u6f0f\u6d29\u3057\u305f\u308a\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3067\u3059\u306e\u3067\u3001\u53e4\u3044PC\u306e\u30c7\u30fc\u30bf\u30fc\u306f\u4f55\u7b49\u304b\u306e\u65b9\u6cd5\u3067\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u305f\u4e0a\u3067\u3001(HDD\u3084SSD)\u306e\u4e2d\u8eab\u306e\u30c7\u30fc\u30bf\u30fc\u3092\u6d88\u53bb\u3059\u308b\u306e\u304c\u826f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3082\u3057\u3001\u73fe\u5728Linux\u7cfbOS\u3067\u4f5c\u696d\u3057\u3066\u3044\u3066\u3001\u5225\u306e\u53e4\u3044PC\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u4f5c\u6210\u3057\u3066\u5b8c\u5168\u6d88\u53bb\u3057\u305f\u3044\u306e\u3067\u3042\u308c\u3070\u3001\u6bd4\u8f03\u7684\u7c21\u5358\u3067\u3059\u3002\u305f\u3060\u3057\u3001Linux\u306eCUI\u306b\u6163\u308c\u3066\u3044\u3066\u3001HDD\u3084SSD\u306e\u53d6\u308a\u6271\u3044\u306b\u3082\u6163\u308c\u3066\u3044\u308b\u306e\u304c\u524d\u63d0\u3067\u3059\u3002\u305d\u3082\u305d\u3082\u3001\u305d\u306e\u524d\u63d0\u306b\u5f53\u3066\u306f\u307e\u308b\u4eba\u306f\u3001\u3053\u306e\u6587\u7ae0\u3092\u8aad\u307e\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u3002<\/p>\n\n\n\n<p>\u7c21\u5358\u306b\u8a00\u3063\u3066\u3057\u307e\u3046\u3068\u3001\u4f5c\u696d\u3057\u3066\u3044\u308bLinuxPC\u306b\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7&amp;\u5b8c\u5168\u6d88\u53bb\u3057\u305f\u3044HDD\u307e\u305f\u306fSSD(\u30b9\u30c8\u30ec\u30fc\u30b8)\u3092\u63a5\u7d9a\u3057\u3066\u3001\u305d\u306e\u30d6\u30ed\u30c3\u30af\u30c7\u30d0\u30a4\u30b9\u306e\u30a4\u30e1\u30fc\u30b8\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3001\u30d6\u30ed\u30c3\u30af\u30d5\u30a1\u30a4\u30eb\u306e\u4e2d\u8eab\u3092\u6d88\u53bb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u300c\u5b8c\u5168\u6d88\u53bb\u300d\u3068\u306f\u3001\u30c7\u30fc\u30bf\u30fc\u306b\u5225\u306e\u7121\u95a2\u4fc2\u306e\u30c7\u30fc\u30bf\u30fc\u3092\u4e0a\u66f8\u304d\u3059\u308b\u4e8b\u3067\u3059\u3002\u9ed2\u304f\u5857\u308a\u3064\u3076\u3059\u3068\u3044\u3063\u305f\u611f\u3058\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n<p>\u307e\u305a\u306f\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7&amp;\u5b8c\u5168\u6d88\u53bb\u3057\u305f\u3044\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u4f5c\u696dPC\u306b\u63a5\u7d9a\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>(\u305d\u306e\u524d\u306b\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306b\u5fc5\u8981\u306a\u30c7\u30a3\u30b9\u30af\u30b9\u30da\u30fc\u30b9\u3092\u78ba\u4fdd\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002)<\/p>\n\n\n\n<p>\u4e00\u65e6\u96fb\u6e90\u3092OFF\u306b\u3057\u3066\u3001PC\u5185\u90e8\u306eIDE\u3084SATA\u30dd\u30fc\u30c8\u306b\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u63a5\u7d9a\u3057\u3066\u518d\u8d77\u52d5\u3059\u308b\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u9593\u9055\u3063\u3066\u30b9\u30c8\u30ec\u30fc\u30b8\u306eOS\u304c\u8d77\u52d5\u3057\u3066\u3057\u307e\u3046\u4e8b\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7c21\u5358\u306a\u306e\u306f\u3001USB\u63a5\u7d9a\u306e\u5916\u4ed8\u3051\u30a2\u30c0\u30d7\u30bf\u30fc(\u88f8\u65cf\u306e\u982d\u3001\u30b9\u30e9\u30a4\u30c7\u30a3\u30f3\u30b0\u88f8\u65cf\u3001\u88f8\u65cf\u306e\u304a\u7acb\u3061\u53f0)\u7b49\u3067\u3059\u3002\u4f5c\u696dPC\u8d77\u52d5\u4e2d\u3067\u3082\u3001\u9014\u4e2d\u304b\u3089\u30a2\u30c0\u30d7\u30bf\u30fc(\u3068\u30b9\u30c8\u30ec\u30fc\u30b8)\u3092\u63a5\u7d9a\u3057\u30a2\u30c0\u30d7\u30bf\u30fc\u306e\u96fb\u6e90\u3092ON\u3059\u308b\u3060\u3051\u3067\u3001\u4f5c\u696dPC\u306eOS\u306b\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u8a8d\u8b58\u3055\u305b\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<\/p>\n\n\n\n<ul><li><a href=\"https:\/\/www.amazon.co.jp\/%E3%82%BB%E3%83%B3%E3%83%81%E3%83%A5%E3%83%AA%E3%83%BC-CSDRU3B6G-%E3%82%B9%E3%83%A9%E3%82%A4%E3%83%87%E3%82%A3%E3%83%B3%E3%82%B0%E8%A3%B8%E6%97%8F-SATA6G\/dp\/B00GYS6AGK?__mk_ja_JP=%E3%82%AB%E3%82%BF%E3%82%AB%E3%83%8A&amp;crid=1FHKE4DTI8C8C&amp;keywords=%E3%82%B9%E3%83%A9%E3%82%A4%E3%83%87%E3%82%A3%E3%83%B3%E3%82%B0%E8%A3%B8%E6%97%8F&amp;qid=1656372190&amp;sprefix=%E3%82%B9%E3%83%A9%E3%82%A4%E3%83%87%E3%82%A3%E3%83%B3%E3%82%B0%E8%A3%B8%E6%97%8F%2Caps%2C186&amp;sr=8-1&amp;linkCode=ll1&amp;tag=kdobashi-22&amp;linkId=68c1a2f35e992124948862002eb3adab&amp;language=ja_JP&amp;ref_=as_li_ss_tl\">\u30bb\u30f3\u30c1\u30e5\u30ea\u30fc\u3000\u30b9\u30e9\u30a4\u30c7\u30a3\u30f3\u30b0\u88f8\u65cf (Amazon.co.jp)<\/a><\/li><\/ul>\n\n\n\n<p>\u305d\u3046\u3084\u3063\u3066\u8a8d\u8b58\u3055\u305b\u305f\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u30c7\u30d0\u30a4\u30b9\u30d5\u30a1\u30a4\u30eb\u3092\u8abf\u3079\u307e\u3059\u3002\u7c21\u5358\u306b\u306f\u3001\u63a5\u7d9a\u524d\u306e\/dev\u3068\u63a5\u7d9a\u5f8c\u306e\/dev\u3067\u65b0\u3057\u304f\u8ffd\u52a0\u3055\u308c\u305f\u3082\u306e\u304c\u3001\u63a5\u7d9a\u3055\u308c\u305f\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u30c7\u30d0\u30a4\u30b9\u30d5\u30a1\u30a4\u30eb\u306e\u7b48\u3067\u3059\u3002\/dev\/sdc\u3068\u304b\/dev\/sdd\u306a\u3069\u304c\u51fa\u3066\u304f\u308b\u3068\u601d\u3044\u307e\u3059\u3002\u3054\u4f7f\u7528\u306e\u4f5c\u696dPC\u3084\u30b9\u30c8\u30ec\u30fc\u30b8\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u306e\u3067\u3001\u826f\u304f\u6ce8\u610f\u3057\u3066\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u3001\u52dd\u624b\u306b\u30de\u30a6\u30f3\u30c8\u3055\u308c\u3066\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306b\u30a2\u30a4\u30b3\u30f3\u304c\u51fa\u3066\u304f\u308b\u304b\u3082\u77e5\u308c\u307e\u305b\u3093\u3002\u305d\u306e\u5834\u5408\u3001umount\u7b49\u3059\u308b\u306e\u304c\u826f\u3044\u3068\u601d\u3044\u307e\u3059\u3002umount\u3059\u308b\u524d\u306bdf\u30b3\u30de\u30f3\u30c9\u3067\u30c7\u30d0\u30a4\u30b9\u30d5\u30a1\u30a4\u30eb\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u306e\u3067\u3001\u78ba\u8a8d\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u4f5c\u696d\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u30d5\u30a1\u30a4\u30eb\u306e\u30a2\u30af\u30bb\u30b9\u5236\u9650\u306b\u3088\u3063\u3066\u306f\u3001\u7ba1\u7406\u8005\u6a29\u9650\u3067\u4f5c\u696d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5fc5\u8981\u306a\u3089\u3001root\u6a29\u9650\u3092\u53d6\u5f97\u3059\u308b\u304bsudo\u30b3\u30de\u30f3\u30c9\u3067\u4f5c\u696d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30a4\u30e1\u30fc\u30b8\u306e\u4f5c\u6210\u65b9\u6cd5\u3067\u3059\u304c\u3001\u4f8b\u3048\u3070\u30c7\u30d0\u30a4\u30b9\u30d5\u30a1\u30a4\u30eb\u304c\/dev\/sdc\u306a\u3089\u3070\u3001<\/p>\n\n\n\n<p><kbd>[root@***** \/]# dd if=\/dev\/sdc of=\/bkup.img<\/kbd><\/p>\n\n\n\n<p>\u3068\u3059\u308c\u3070\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\/dev\/sdc\u306e\u5168\u3066\u306e\u30d6\u30ed\u30c3\u30af\u3092\/bkup.img\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u306b\u30b3\u30d4\u30fc\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002\u3053\u306e\/bkup.img\u304c\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u305d\u306e\u3082\u306e\u3067\u3059\u3002\/bkup.img\u3000\u306e\u90e8\u5206\u306f\u3001\u304a\u597d\u307f\u306b\u5408\u308f\u305b\u3066\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u3067\u306f\u6642\u9593\u304c\u639b\u304b\u308b\u306e\u3067\u3001<\/p>\n\n\n\n<p><kbd>[root@***** \/]# dd if=\/dev\/sdc of=\/bkup.img bs=4096<\/kbd><\/p>\n\n\n\n<p>\u3068\u8a00\u3046\u69d8\u306b\u3001\u4e00\u5ea6\u306b\u8ee2\u9001\u3059\u308b\u30d6\u30ed\u30c3\u30af\u30b5\u30a4\u30ba\u3092\u5927\u304d\u3081\u306b\u6307\u5b9a\u3059\u308b\u3068\u51e6\u7406\u304c\u65e9\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7d42\u4e86\u3059\u308b\u3068\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u5bb9\u91cf\u3068\u540c\u3058\u30b5\u30a4\u30ba\u306e\/bkup.img\u304c\u51fa\u6765\u3066\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e2d\u8eab\u304c\u3061\u3083\u3093\u3068\u3057\u305f\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306a\u306e\u304b\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u4ed6\u6240\u624b\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3061\u3083\u3093\u3068\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30a4\u30e1\u30fc\u30b8\u304c\u4f5c\u6210\u51fa\u6765\u305f\u3068\u78ba\u4fe1\u3067\u304d\u305f\u306a\u3089\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u5b8c\u5168\u6d88\u53bb\u306b\u9032\u307f\u307e\u3059\u3002\u4e00\u65e6\u4e2d\u65ad\u3057\u3001\u5b8c\u5168\u6d88\u53bb\u306f\u5f8c\u65e5\u884c\u3063\u3066\u3082\u304b\u307e\u3044\u307e\u305b\u3093\u304c\u3002<\/p>\n\n\n\n<p>\u30b9\u30c8\u30ec\u30fc\u30b8\u5168\u4f53\u306e\u5b8c\u5168\u6d88\u53bb\u3092\u884c\u3046\u306b\u306f\u3001shred\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u5b8c\u5168\u6d88\u53bb\u3057\u305f\u3044\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u30c7\u30d0\u30a4\u30b9\u30d5\u30a1\u30a4\u30eb\u304c\/dev\/sdc\u306a\u3089\u3001<\/p>\n\n\n\n<p><kbd>[root@***** \/]# shred -vz \/dev\/sdc<\/kbd><\/p>\n\n\n\n<p>\u306e\u69d8\u306b\u3057\u307e\u3059\u3002\u6a19\u6e96\u3067\u306f\u30013\u56de\u306b\u308f\u305f\u3063\u3066\u4e71\u6570\u3092\u6307\u5b9a\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb(\u3053\u3053\u3067\u306f\/dev\/sdc)\u306b\u66f8\u304d\u8fbc\u307f\u307e\u3059\u3002\u30aa\u30d7\u30b7\u30e7\u30f3v\u306f\u9032\u6357\u306e\u8868\u793a\u3001z\u306f\u6700\u5f8c\u306b0\u3067\u4e0a\u66f8\u304d\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5b9f\u884c\u304c\u7d42\u4e86\u3057\u305f\u3089\u3001\u5b8c\u5168\u6d88\u53bb\u5b8c\u4e86\u3067\u3059\u3002\u30a2\u30c0\u30d7\u30bf\u30fc\u306e\u96fb\u6e90\u3092OFF\u306b\u3057\u3066\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u53d6\u308a\u5916\u305b\u3070\u4f5c\u696d\u5b8c\u4e86\u3067\u3059\u3002SSD\u306a\u3089\u3001\u3053\u306e\u65b9\u6cd5\u3088\u308a\u3082SSD\u30d9\u30f3\u30c0\u30fc\u304c\u63d0\u4f9b\u3057\u3066\u3044\u308bWindows\u7528\u306e\u30c4\u30fc\u30eb\u3067&#8221;secure 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