{"id":4983,"date":"2025-07-01T12:50:00","date_gmt":"2025-07-01T03:50:00","guid":{"rendered":"https:\/\/www.hagisol.co.jp\/techblog\/?p=4983"},"modified":"2025-07-01T11:43:28","modified_gmt":"2025-07-01T02:43:28","slug":"post-4983","status":"publish","type":"post","link":"https:\/\/www.hagisol.co.jp\/techblog\/?p=4983","title":{"rendered":"SSD\u306eSilent Data Corruption\u3068\u305d\u306e\u5bfe\u7b56(2\/2)"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.hagisol.co.jp\/techblog\/wp-content\/uploads\/2025\/02\/AdobeStock_1057739008-1024x574.jpeg\" alt=\"\" class=\"wp-image-4871\"\/><\/figure>\n\n\n\n<h2 id=\"outline__1\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u304a\u3053\u3068\u308f\u308a<\/mark><\/h2>\n\n\n\n<p>\u3000\u3053\u306e\u8a18\u4e8b\u306f\u3001<a href=\"https:\/\/qiita.com\/ken-yossy\/items\/d297cb578c473c255f48\" target=\"_blank\" rel=\"noreferrer noopener\">2024\u5e747\u6708\u306bQiita\u306b\u6295\u7a3f\u3057\u305f\u8a18\u4e8b<\/a>\u3092\u52a0\u7b46\u4fee\u6b63\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u307e\u305f\u3001\u3053\u306e\u8a18\u4e8b\u306e\u30aa\u30ea\u30b8\u30ca\u30eb\u306f\u65e5\u672c\u8a9e\u3067\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002\u8a18\u4e8b\u304c\u65e5\u672c\u8a9e\u4ee5\u5916\u306e\u8a00\u8a9e\u3067\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u308c\u306f\u6a5f\u68b0\u7ffb\u8a33\u306e\u7d50\u679c\u3067\u3059\u3002\u5f53\u793e\u306f\u6a5f\u68b0\u7ffb\u8a33\u306e\u7cbe\u5ea6\u306b\u8cac\u4efb\u3092\u8ca0\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 id=\"outline__2\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u306f\u3058\u3081\u306b<\/mark><\/h2>\n\n\n\n<p>\u3000<a href=\"https:\/\/www.hagisol.co.jp\/techblog\/?p=4849\" target=\"_blank\" rel=\"noreferrer noopener\">\u524d\u56de\u306e\u8a18\u4e8b<\/a>\u3067\u306f\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3092\u30e1\u30c7\u30a3\u30a2\u3068\u3059\u308bSSD\uff08\u4ee5\u964d\u5358\u306bSSD\u3068\u8a18\u8f09\uff09\u306b\u307e\u3064\u308f\u308bSilent Data Corruption (SDC)\u3068\u547c\u3070\u308c\u308b\u30a8\u30e9\u30fc\u306e\u3046\u3061\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3067\u767a\u751f\u3059\u308b\u30a8\u30e9\u30fc\u3068\u305d\u306e\u5bfe\u7b56\u3092\u8aac\u660e\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3000\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001SSD\u3092\u69cb\u6210\u3059\u308bNAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u4ee5\u5916\u306e\u8981\u7d20\u3067\u8d77\u304d\u308b\u4e8b\u8c61\u3068\u5bfe\u7b56\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__3\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u307e\u3068\u3081<\/mark><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SRAM\u3084DRAM\u306e\u30d3\u30c3\u30c8\u5316\u3051\u306f\u8aa4\u308a\u8a02\u6b63\u7b26\u53f7(ECC)\u3067\u5bfe\u5fdc\u3059\u308b<\/li>\n\n\n\n<li>\u305d\u308c\u4ee5\u5916\u306e\u30c7\u30fc\u30bf\u306e\u8aa4\u308a\u306f\u3001\u30d0\u30b9\u3067\u306e\u8aa4\u308a\u3092\u542b\u3081\u3066\u8aa4\u308a\u691c\u51fa\u6a5f\u80fd\uff08CRC\u306a\u3069\uff09\u3092\u7528\u3044\u3001\u8aa4\u308a\u691c\u51fa\u6642\u306f\u518d\u8aad\u51fa\u3057\u3067\u5bfe\u5fdc\u3059\u308b<\/li>\n\n\n\n<li>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3060\u3051\u3067\u306a\u304f\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2(FW)\u8981\u56e0\u3067SDC\u304c\u8d77\u3053\u308b\u3053\u3068\u3082\u3042\u308a\u3001\u9069\u5207\u306a\u6a5f\u80fd\u306e\u8a2d\u8a08\u3068\u5b9f\u88c5\u304c\u5fc5\u8981<\/li>\n<\/ul>\n\n\n\n<h2 id=\"outline__4\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u30b5\u30a4\u30ec\u30f3\u30c8\u30a8\u30e9\u30fc\u306f\u306a\u305c\u60aa\u306a\u306e\u304b\uff1f<\/mark><\/h2>\n\n\n\n<p>\u3000\u30b9\u30c8\u30ec\u30fc\u30b8\u30c7\u30d0\u30a4\u30b9\u306b\u304a\u3051\u308b\u30b5\u30a4\u30ec\u30f3\u30c8\u30a8\u30e9\u30fc\u306f\u3001\u30c7\u30fc\u30bf\u304c\u4e0d\u6b63\u306b\u5909\u66f4\u3055\u308c\u305f\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30a8\u30e9\u30fc\u3068\u3057\u3066\u691c\u51fa\u3055\u308c\u306a\u3044\u73fe\u8c61\u3092\u6307\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30c7\u30fc\u30bf\u304c\u640d\u50b7\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u6c17\u3065\u304b\u305a\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u8aa4\u3063\u305f\u30c7\u30fc\u30bf\u3092\u6b63\u3057\u3044\u3082\u306e\u3068\u3057\u3066\u51e6\u7406\u3057\u3066\u3057\u307e\u3046\u30a8\u30e9\u30fc\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u30b5\u30a4\u30ec\u30f3\u30c8\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u305d\u308c\u3092\u898b\u904e\u3054\u3057\u3066\u3057\u307e\u3046\u3068\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u30c7\u30d0\u30a4\u30b9\u306f\u8aa4\u308a\u3092\u542b\u3080\u30c7\u30fc\u30bf\u3092\u30db\u30b9\u30c8\u306b\u8fd4\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u30b9\u30c8\u30ec\u30fc\u30b8\u30c7\u30d0\u30a4\u30b9\u306e\u8aa4\u52d5\u4f5c\u3067\u3042\u308a\u4f55\u3068\u3057\u3066\u3082\u907f\u3051\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3000\u3059\u306a\u308f\u3061SDC\u3092\u9632\u3050\u4ed5\u7d44\u307f\u3068\u306f\u3001\u8aa4\u308a\u3092\u542b\u3080\u30c7\u30fc\u30bf\u3092\u30db\u30b9\u30c8\u306b\u8fd4\u3055\u306a\u3044\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3001\u8aa4\u308a\u3092\u767a\u898b\u3057\u305f\u3089\u9069\u5207\u306b\u7ba1\u7406\u3057\u3066\u30db\u30b9\u30c8\u306b\u306f\u6b63\u76f4\u306b\u30a8\u30e9\u30fc\u3092\u7533\u544a\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3001\u3068\u3082\u8a00\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u30b5\u30a4\u30ec\u30f3\u30c8\u30a8\u30e9\u30fc\u306f\u3001\u904b\u7528\u4e2d\u306b\u306f\u691c\u51fa\u3055\u308c\u306b\u304f\u3044\u3067\u3059\u304c\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u30c7\u30d0\u30a4\u30b9\u306e\u8a55\u4fa1\u3084\u30c6\u30b9\u30c8\u6bb5\u968e\u3067\u30df\u30b9\u30b3\u30f3\u30da\u30a2\u3068\u3057\u3066\u691c\u51fa\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__5\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">SSD\u306e\u30d6\u30ed\u30c3\u30af\u56f3\u3068SDC\u304c\u8d77\u3053\u308a\u5f97\u308b\u7b87\u6240<\/mark><\/h2>\n\n\n\n<p>\u3000\u4ee5\u4e0b\u306e\u56f31\u306f\u5178\u578b\u7684\u306aSSD\u306e\u30d6\u30ed\u30c3\u30af\u56f3\u3067\u3059\u3002\u30d6\u30ed\u30c3\u30af\u56f3\u4e2d\u306e\u5439\u304d\u51fa\u3057\u3067\u793a\u3057\u305f\u7b87\u6240\u304c\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u4ee5\u5916\u3067SDC\u304c\u8d77\u3053\u308a\u5f97\u308bSSD\u5185\u306e\u4e3b\u8981\u306a\u7b87\u6240\u3067\u3059\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.hagisol.co.jp\/techblog\/wp-content\/uploads\/2025\/04\/simple-SSD-block-diagram-en.png\" alt=\"\" class=\"wp-image-5034\"\/><figcaption class=\"wp-element-caption\"><em>\u56f31\uff1aSSD\u306e\u7c21\u6613\u30d6\u30ed\u30c3\u30af\u56f3\u3068SDC\u304c\u8d77\u3053\u308a\u5f97\u308b\u7b87\u6240<\/em><\/figcaption><\/figure>\n\n\n\n<p>\u3000SSD\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306f\u3001\u3053\u308c\u3089\u306e\u7b87\u6240\u3067\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u30c7\u30fc\u30bf\u5316\u3051\u306b\u5bfe\u3057\u3066\u3001\u305d\u306e\u767a\u751f\u78ba\u7387\u3068\u7528\u9014\u3092\u306f\u3058\u3081\u3068\u3057\u305f\u88fd\u54c1\u4ed5\u69d8\u306b\u57fa\u3065\u3044\u3066\u5bfe\u7b56\u3092\u8b1b\u3058\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u307e\u305f\u3001SDC\u304c\u767a\u751f\u3059\u308b\u8981\u56e0\u306b\u306f\u3001\u56f31\u306b\u793a\u3057\u305f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306b\u52a0\u3048\u3066\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u4e0a\u3067\u52d5\u4f5c\u3059\u308bFW\u306e\u30d0\u30b0\u3084\u8a2d\u8a08\u4e0d\u5099\u3082\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u306e\u8a18\u4e8b\u3067\u306fSSD\u304c\u8b1b\u3058\u308b\u305d\u308c\u3089\u306e\u5bfe\u7b56\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__6\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">SRAM\u3084DRAM\u306e\u30d3\u30c3\u30c8\u5316\u3051<\/mark><\/h2>\n\n\n\n<p><strong>\uff1c\u8aa4\u308a\u8a02\u6b63\u7b26\u53f7<\/strong><strong>(ECC)<\/strong><strong>\u3067\u4fdd\u8b77\uff1e<\/strong><\/p>\n\n\n\n<p>\u3000SSD\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306f\u3001\u88fd\u54c1\u306b\u3088\u308a\u5bb9\u91cf\u306e\u9055\u3044\u306f\u3042\u308b\u3082\u306e\u306eSRAM\u3092\u642d\u8f09\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u6700\u8fd1\u3067\u306f\u642d\u8f09\u3057\u306a\u3044\u88fd\u54c1\u3082\u591a\u3044\u3067\u3059\u304c\u3001\u7279\u306b\u9ad8\u3044\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u6027\u80fd\u3084\u9ad8\u3044\u4fe1\u983c\u6027\u3092\u5b9f\u73fe\u3059\u308bSSD\u306fDRAM\u3092\u642d\u8f09\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u306eSRAM\u3084DRAM\u306b\u683c\u7d0d\u3055\u308c\u308b\u30c7\u30fc\u30bf\u306f\u3001\u5927\u304d\u304f2\u7a2e\u985e\u306b\u5206\u985e\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30001\u3064\u306f\u4e3b\u306bSSD\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u5185\u306e\u30d7\u30ed\u30bb\u30c3\u30b5\u30b3\u30a2\u304c\u30a2\u30af\u30bb\u30b9\u3059\u308b\u30c7\u30fc\u30bf\u3067\u3059\u30024\u30d0\u30a4\u30c8\u30848\u30d0\u30a4\u30c8\u306a\u3069\u306e\u5358\u4f4d\u3067\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3082\u30461\u3064\u306f\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3068\u306e\u9593\u3067\u8aad\u307f\u66f8\u304d\u3059\u308b\u30c7\u30fc\u30bf\u3067\u3059\u3002\u3053\u3061\u3089\u306f512\u30d0\u30a4\u30c8\u3068\u304b4\u30ad\u30ed\u30d0\u30a4\u30c8\u3055\u3089\u306b\u306f16\u30ad\u30ed\u30d0\u30a4\u30c8\uff08NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u30da\u30fc\u30b8\u30b5\u30a4\u30ba\uff09\u306a\u3069\u306e\u5358\u4f4d\u3067\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u306f\u5171\u306bECC\u3067\u4fdd\u8b77\u3057\u307e\u3059\u300215\u5e74\u307b\u3069\u524d\u306b\u79c1\u304c\u8a2d\u8a08\u306b\u53c2\u753b\u3057\u3066\u3044\u305fSSD\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3067\u3082\u65e2\u306b1\u30d3\u30c3\u30c8\u8aa4\u308a\u8a02\u6b632\u30d3\u30c3\u30c8\u8aa4\u308a\u691c\u51fa(SECDED)\u306eECC\u3092\u5099\u3048\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3000\u88fd\u54c1\u306b\u3088\u308a\u7570\u306a\u308b\u3082\u306e\u306e\u3001\u9ad8\u3044\u4fe1\u983c\u6027\u3092\u6c42\u3081\u3089\u308c\u308b\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u5411\u3051\u3084\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u5411\u3051\u305d\u3057\u3066\u30a4\u30f3\u30c0\u30b9\u30c8\u30ea\u30a2\u30eb\u5411\u3051SSD\u3067\u306fSRAM\u3084DRAM\u306e\u30d3\u30c3\u30c8\u5316\u3051\u5bfe\u7b56\u3092\u642d\u8f09\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3060\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u30bd\u30d5\u30c8\u30a8\u30e9\u30fc\u306e\u4e00\u7a2e\u3067\u3042\u308b\u4e2d\u6027\u5b50\u7dda\uff08\u4f8b\u3048\u3070\u03b1\u7dda\uff09\u306b\u3088\u308b\u30d3\u30c3\u30c8\u8aa4\u308a\u306f\u3001\u6b63\u3057\u3044\u5024\u3092\u3082\u3046\u4e00\u5ea6\u66f8\u304d\u8fbc\u3080\uff08\u30ea\u30d5\u30ec\u30c3\u30b7\u30e5\u3059\u308b\uff09\u307e\u3067\u30e1\u30e2\u30ea\u30bb\u30eb\u304b\u3089\u6b63\u3057\u3044\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u8aa4\u308a\u8a02\u6b63\u3067\u304d\u308b\u3053\u3068\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u307e\u305f\u3001\u30d7\u30ed\u30bb\u30c3\u30b5\u30b3\u30a2\u4e0a\u3067\u52d5\u4f5c\u3059\u308bFW\u3068\u3057\u3066\u306f1\u30d3\u30c3\u30c8\u306e\u8aa4\u308a\u304c\u81f4\u547d\u7684\u306a\u8aa4\u52d5\u4f5c\u306b\u3064\u306a\u304c\u308a\u304b\u306d\u306a\u3044\u305f\u3081\u3001\u3084\u306f\u308a\u8aa4\u308a\u8a02\u6b63\u3067\u304d\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__7\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u5404\u7a2e\u30d0\u30b9\u306a\u3069\u3067\u306e\u30a8\u30e9\u30fc<\/mark><\/h2>\n\n\n\n<p>\u3000<strong>\uff1c<\/strong><strong>CRC<\/strong><strong>\u306a\u3069\u306e\u8aa4\u308a\u691c\u51fa\u7b26\u53f7\u306b\u3088\u308b\u4fdd\u8b77\u3067\u5bfe\u5fdc\uff1e<\/strong><\/p>\n\n\n\n<p>\u3000\u56f31\u306b\u793a\u3057\u305f\u901a\u308aSDC\u304c\u8d77\u3053\u308a\u5f97\u308b\u5834\u6240\u306b\u306f\u30d0\u30b9\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u7279\u306b\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3068\u306e\u9593\u3067\u30c7\u30fc\u30bf\u306e\u9001\u53d7\u4fe1\u3092\u884c\u3046\u30d0\u30b9\u3067\u767a\u751f\u3059\u308b\u30a8\u30e9\u30fc\u306f\u3001SSD\u3068\u3057\u3066\u81f4\u547d\u7684\u306a\u30a8\u30e9\u30fc\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u5bfe\u7b56\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000SSD\u3067\u306f\u4e00\u822c\u7684\u306b\u3001\u3053\u306e\u30d0\u30b9\u3067\u306e\u30a8\u30e9\u30fc\u3092CRC\u306a\u3069\u306e\u8aa4\u308a\u691c\u51fa\u53ef\u80fd\u306a\u7b26\u53f7\u3067\u5bfe\u5fdc\u3057\u307e\u3059\u3002\u30a8\u30e9\u30fc\u306e\u8a02\u6b63\u6a5f\u80fd\u306f\u6c42\u3081\u307e\u305b\u3093\u3002\u30a8\u30e9\u30fc\u3092\u691c\u51fa\u3057\u305f\u3068\u304d\u306f\u4e3b\u306b\u30c7\u30fc\u30bf\u306e\u518d\u9001\u3067\u5bfe\u5fdc\u3057\u307e\u3059\u3002\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u304c\u30d0\u30b9\u4e0a\u3067\u306e\u30bd\u30d5\u30c8\u30a8\u30e9\u30fc\u3067\u3042\u308c\u3070\u3001\u30e1\u30e2\u30ea\u304b\u3089\u518d\u8aad\u51fa\u3057\u3059\u308c\u3070\u305d\u306e\u8ee2\u9001\u6642\u306b\u306f\u30d0\u30b9\u4e0a\u3067\u306e\u30a8\u30e9\u30fc\u306f\u751f\u3058\u306a\u3044\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u304b\u3089\u3067\u3059\u3002\u30db\u30b9\u30c8\u3068SSD\u9593\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u5099\u3048\u308b\u8aa4\u308a\u691c\u51fa\u6a5f\u80fd\u3068\u518d\u9001\u6a5f\u80fd\u3068\u540c\u3058\u3088\u3046\u306a\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u3061\u3089\u306e\u5834\u5408\u3082\u3001\u518d\u9001\u3057\u3066\u3082\u30a8\u30e9\u30fc\u304c\u691c\u51fa\u3055\u308c\u308b\u3068\u304d\u306f\u76f8\u5fdc\u306e\u5bfe\u5fdc\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u305d\u308c\u3067\u306f\u5177\u4f53\u7684\u306a\u4fdd\u8b77\u306e\u4ed5\u7d44\u307f\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u8aac\u660e\u7528\u306b\u8aa4\u308a\u691c\u51fa\u7b26\u53f7\u3068\u3057\u3066CRC\u3092\u4f7f\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u3053\u3053\u3067\u8a18\u8f09\u3057\u305f\u4ed5\u7d44\u307f\u306f\u3042\u304f\u307e\u3067\u4e00\u4f8b\u3067\u3042\u308a\u5b9f\u969b\u306b\u306f\u88fd\u54c1\u306b\u3088\u308a\u7570\u306a\u308a\u307e\u3059\u306e\u3067\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 id=\"outline__7_1\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u57fa\u672c\u7684\u306a\u4ed5\u7d44\u307f<\/mark><\/h3>\n\n\n\n<h4 id=\"outline__7_1_1\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">SSD\u3078\u306e\u30c7\u30fc\u30bf\u66f8\u304d\u8fbc\u307f\u6642<\/mark><\/h4>\n\n\n\n<p>\u3000\u57fa\u672c\u7684\u306a\u8a2d\u8a08\u3067\u306f\u3001SSD\u3078\u306e\u30c7\u30fc\u30bf\u66f8\u304d\u8fbc\u307f\u6642\u3001SSD\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306f\u56f32\u306e\u3088\u3046\u306a\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.hagisol.co.jp\/techblog\/wp-content\/uploads\/2025\/04\/basic-bus-protection-write-en.png\" alt=\"\" class=\"wp-image-5037\"\/><figcaption class=\"wp-element-caption\"><em>\u56f32\uff1aCRC\u306b\u3088\u308b\u8aa4\u308a\u691c\u51fa\u306e\u4ed5\u7d44\u307f\uff08\u30c7\u30fc\u30bf\u66f8\u304d\u8fbc\u307f\u6642\uff09<\/em><\/figcaption><\/figure>\n\n\n\n<p>\u3000SSD\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306f\u30db\u30b9\u30c8\u304b\u3089\u53d7\u9818\u3057\u305f\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u3059\u3050\u306bCRC\u3092\u4ed8\u4e0e\u3057\u307e\u3059(CRC1)\u3002\u305d\u3057\u3066SSD\u5185\u90e8\u3067\u306f\u5e38\u306b\u30c7\u30fc\u30bf\u3068CRC\u3092\u7d44\u306b\u3057\u3066\u6271\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000SRAM\u3084DRAM\u306b\u52a0\u3048\u305d\u306e\u4ed6\u306e\u30d0\u30c3\u30d5\u30a1\u306b\u683c\u7d0d\u3059\u308b\u3068\u304d\u3082\u30c7\u30fc\u30bf\u3068CRC\u3092\u7d44\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u305d\u3057\u3066NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306b\u66f8\u304d\u8fbc\u3080\u3068\u304d\u306b\u3001\u30c7\u30fc\u30bf\u3068CRC\u3092\u5408\u308f\u305b\u305f\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u7528\u306e\u8aa4\u308a\u8a02\u6b63\u7b26\u53f7\u306b\u3088\u308b\u30d1\u30ea\u30c6\u30a3\u3092\u4ed8\u4e0e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 id=\"outline__7_1_2\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">SSD\u304b\u3089\u306e\u30c7\u30fc\u30bf\u8aad\u307f\u51fa\u3057\u6642<\/mark><\/h4>\n\n\n\n<p>\u3000\u4e00\u65b9SSD\u304b\u3089\u306e\u30c7\u30fc\u30bf\u8aad\u307f\u51fa\u3057\u6642\u3001SSD\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306f\u56f33\u306e\u3088\u3046\u306a\u691c\u67fb\u3092\u5b9f\u65bd\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.hagisol.co.jp\/techblog\/wp-content\/uploads\/2025\/04\/basic-bus-protection-read-en.png\" alt=\"\" class=\"wp-image-5041\"\/><figcaption class=\"wp-element-caption\"><em>\u56f33\uff1aCRC\u306b\u3088\u308b\u8aa4\u308a\u691c\u51fa\u306e\u4ed5\u7d44\u307f\uff08\u30c7\u30fc\u30bf\u8aad\u307f\u51fa\u3057\u6642\uff09<\/em><\/figcaption><\/figure>\n\n\n\n<p>\u3000NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u304b\u3089\u8aad\u307f\u51fa\u3057\u305f\u30c7\u30fc\u30bf\u3068CRC\u306b\u5bfe\u3057\u3066\u8aa4\u308a\u8a02\u6b63\u3092\u884c\u3044\u3001\u518d\u3073\u30c7\u30fc\u30bf\u3068CRC\u3092\u7d44\u306b\u3057\u3066\u6271\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u305d\u3057\u3066\u3001\u30db\u30b9\u30c8\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u7d4c\u7531\u3057\u3066\u30db\u30b9\u30c8\u306b\u30c7\u30fc\u30bf\u3092\u8fd4\u3059\u3068\u304d\u306b\u3053\u308c\u307e\u3067\u5e38\u306b\u30c7\u30fc\u30bf\u3068\u7d44\u306b\u3057\u3066\u3044\u305fCRC\u3092\u7528\u3044\u3066\u30c7\u30fc\u30bf\u306b\u8aa4\u308a\u304c\u306a\u3044\u304b\u3069\u3046\u304b\u3092\u691c\u67fb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u306e\u3088\u3046\u306a\u4ed5\u7d44\u307f\u306b\u3088\u308a\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3092\u9664\u304fSSD\u5185\u90e8\u3067\u30c7\u30fc\u30bf\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u3044\u306a\u3044\u304b\u3069\u3046\u304b\u3092\u691c\u67fb\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"outline__7_2\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u69cb\u6210\u8981\u7d20\u5225\u306b\u4fdd\u8b77\u3059\u308b\u4ed5\u7d44\u307f<\/mark><\/h3>\n\n\n\n<p>\u3000\u56f32\u3068\u56f33\u306e\u4ed5\u7d44\u307f\u306e\u5834\u5408\u3001CRC\u306b\u3088\u308b\u30c1\u30a7\u30c3\u30af\u306f\u30db\u30b9\u30c8\u306b\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u3059\u308b\u76f4\u524d\u3057\u304b\u884c\u308f\u306a\u3044\u305f\u3081\u3001\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u305f\u5834\u6240\u304cSRAM\u306a\u306e\u304bDRAM\u306a\u306e\u304b\u305d\u306e\u4ed6\u306e\u30d0\u30c3\u30d5\u30a1\u306a\u306e\u304b\u304c\u5224\u5225\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3000\u30a8\u30e9\u30fc\u306e\u767a\u751f\u5834\u6240\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u3060\u3051\u3067\u3042\u308c\u3070\u691c\u67fb\u7b87\u6240\u3092\u5897\u3084\u305b\u3070\u826f\u304f\u3001\u5b9f\u969b\u305d\u306e\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u88fd\u54c1\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u4e00\u65b9\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u5411\u3051SSD\u306a\u3069\u4e00\u90e8\u306e\u88fd\u54c1\u3067\u306f\u3001\u5404\u90e8\u54c1\u306e\u7279\u6027\u306b\u5fdc\u3058\u3066\u500b\u5225\u306b\u4fdd\u8b77\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u672c\u7bc0\u3067\u306f\u305d\u306e\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 id=\"outline__7_1_1\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">SSD\u3078\u306e\u30c7\u30fc\u30bf\u66f8\u304d\u8fbc\u307f\u6642<\/mark><\/h4>\n\n\n\n<p>\u3000\u3053\u306e\u65b9\u6cd5\u3067\u306f\u3001SSD\u3078\u306e\u30c7\u30fc\u30bf\u66f8\u304d\u8fbc\u307f\u6642\u3001SSD\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306f\u56f34\u306e\u3088\u3046\u306a\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.hagisol.co.jp\/techblog\/wp-content\/uploads\/2025\/04\/bus-protection-write-path-en.png\" alt=\"\" class=\"wp-image-5045\"\/><figcaption class=\"wp-element-caption\"><em>\u56f34\uff1a\u69cb\u6210\u8981\u7d20\u5225\u306b\u4fdd\u8b77\u3059\u308b\u4ed5\u7d44\u307f\uff08\u30c7\u30fc\u30bf\u66f8\u304d\u8fbc\u307f\u6642\uff09<\/em><\/figcaption><\/figure>\n\n\n\n<p>\u3000\u56f32\u3068\u306e\u9055\u3044\u306f\u3001CRC\u3092\u5897\u3084\u3059\u3053\u3068\u3067\u5404CRC\u306e\u62c5\u5f53\u7bc4\u56f2\u3092\u9650\u5b9a\u3057\u3066\u304b\u3064\u5404\u7bc4\u56f2\u3067\u6700\u9069\u306a\u4ed5\u7d44\u307f\u3092\u9069\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u3053\u3067\u306f\u7c21\u5358\u306e\u305f\u3081\u306bCRC\u3068\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u5b9f\u969b\u306b\u4ed8\u4e0e\u3055\u308c\u308b\u691c\u67fb\u7528\u7b26\u53f7\u304cCRC\u3067\u306f\u306a\u3044\u3053\u3068\u3082\u3042\u308a\u5f97\u307e\u3059\u3002 \u52a0\u3048\u3066\u7279\u5fb4\u7684\u306a\u306e\u306fCRC3\u3067\u3059\u3002CRC3\u306f\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u7528\u8aa4\u308a\u8a02\u6b63\u7b26\u53f7\u306b\u3088\u308b\u8aa4\u8a02\u6b63\u3092\u691c\u51fa\u3059\u308b\u305f\u3081\u306b\u4ed8\u4e0e\u3055\u308c\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h4 id=\"outline__7_1_2\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">SSD\u304b\u3089\u306e\u30c7\u30fc\u30bf\u8aad\u307f\u51fa\u3057\u6642<\/mark><\/h4>\n\n\n\n<p>\u3000\u3053\u306e\u4ed5\u7d44\u307f\u3067\u3082\u3001SSD\u304b\u3089\u306e\u30c7\u30fc\u30bf\u8aad\u307f\u51fa\u3057\u6642\u306b\u884c\u3046\u51e6\u7406\u306fCRC\u304c\u5897\u3048\u305f\u3053\u3068\u4ee5\u5916\u5909\u308f\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.hagisol.co.jp\/techblog\/wp-content\/uploads\/2025\/04\/bus-protection-read-path-en.png\" alt=\"\" class=\"wp-image-5047\"\/><figcaption class=\"wp-element-caption\"><em>\u56f35\uff1a\u69cb\u6210\u8981\u7d20\u5225\u306b\u4fdd\u8b77\u3059\u308b\u4ed5\u7d44\u307f\uff08\u30c7\u30fc\u30bf\u8aad\u307f\u51fa\u3057\u6642\uff09<\/em><\/figcaption><\/figure>\n\n\n\n<p>\u3000NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u304b\u3089\u8aad\u307f\u51fa\u3057\u305f\u30c7\u30fc\u30bf\u3068CRC3\u306b\u5bfe\u3057\u3066\u8aa4\u308a\u8a02\u6b63\u3092\u884c\u3044\u3001\u305d\u306e\u5f8cCRC3\u3092\u7528\u3044\u3066\u8aa4\u8a02\u6b63\u304c\u884c\u308f\u308c\u3066\u3044\u306a\u3044\u304b\u3069\u3046\u304b\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002\u305d\u3057\u3066CRC3\u3092\u53d6\u308a\u9664\u304d\u65b0\u305f\u306bCRC2\u3092\u4ed8\u4e0e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000CRC2\u306f\u30c7\u30fc\u30bf\u304c\u30db\u30b9\u30c8\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u8ee2\u9001\u3055\u308c\u308b\u76f4\u524d\u306e\u691c\u67fb\u306b\u7528\u3044\u3089\u308c\u3066\u9664\u53bb\u3055\u308c\u3001CRC1\u304c\u65b0\u3057\u304f\u4ed8\u4e0e\u3055\u308c\u3066\u30db\u30b9\u30c8\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u9001\u3089\u308c\u307e\u3059\u3002\u305d\u3057\u3066\u30db\u30b9\u30c8\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304b\u3089\u30db\u30b9\u30c8\u306b\u30c7\u30fc\u30bf\u304c\u8ee2\u9001\u3055\u308c\u308b\u6642\u306bCRC1\u306b\u3088\u308b\u691c\u67fb\u304c\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h4 id=\"outline__7_2_3\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30d0\u30b9\u3067\u306e\u30a8\u30e9\u30fc\u691c\u51fa\u7528<\/mark><\/h4>\n\n\n\n<p>\u3000NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30d0\u30b9\u306e\u30bd\u30d5\u30c8\u30a8\u30e9\u30fc\u3001\u4f8b\u3048\u3070\u4e00\u6642\u7684\u306a\u30af\u30ed\u30c3\u30af\u305a\u308c\u306b\u3088\u308a\u30c7\u30fc\u30bf\u3068\u4f4d\u7f6e\u304c\u305a\u308c\u308b\u306a\u3069\u306e\u8ee2\u9001\u5931\u6557\u3092\u691c\u51fa\u3059\u308b\u306b\u306f\u3001SSD\u3078\u306e\u30c7\u30fc\u30bf\u66f8\u304d\u8fbc\u307f\u6642\u306e\u51e6\u7406\u30d5\u30ed\u30fc\u3092\u56f34\u304b\u3089\u56f36\u306e\u3088\u3046\u306b\u5909\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.hagisol.co.jp\/techblog\/wp-content\/uploads\/2025\/04\/bus-protection-write-path-with-nand-path-en-1024x385.png\" alt=\"\" class=\"wp-image-5051\"\/><figcaption class=\"wp-element-caption\"><em>\u56f36\uff1aNAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30d0\u30b9\u3067\u306e\u30a8\u30e9\u30fc\u3092\u691c\u51fa\u53ef\u80fd\u306a\u4ed5\u7d44\u307f\uff08\u30c7\u30fc\u30bf\u66f8\u304d\u8fbc\u307f\u6642\uff09<\/em><\/figcaption><\/figure>\n\n\n\n<p>\u3000\u56f36\u306e\u3088\u3046\u306bNAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30d0\u30b9\u306e\u4e21\u7aef\u3067CRC\u306e\u4ed8\u4e0e\u304a\u3088\u3073\u691c\u67fb\u3092\u884c\u3048\u3070\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30d0\u30b9\u3067\u767a\u751f\u3057\u305f\u30a8\u30e9\u30fc\uff08\u30bd\u30d5\u30c8\u30a8\u30e9\u30fc\u542b\u3080\uff09\u3092\u691c\u51fa\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30d0\u30b9\u306f\u4f4e\u6d88\u8cbb\u96fb\u529b\u5316\u3084\u5e83\u5e2f\u57df\u5316\u304c\u9032\u307f\u304b\u3064\u5b9f\u88c5\u5bc6\u5ea6\u3082\u4e0a\u304c\u308a\u7d9a\u3051\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u3001\u4f55\u3089\u304b\u306e\u4fe1\u983c\u6027\u5411\u4e0a\u7b56\u304c\u6c42\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u306e\u56f36\u306e\u65b9\u6cd5\u306f\u305d\u308c\u3092\u5b9f\u73fe\u3059\u308b\u65b9\u6cd5\u306e\u3072\u3068\u3064\u306a\u306e\u3067\u3059\u304c\u3001\u3053\u308c\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306fNAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u5074\u3082CRC\u8a08\u7b97\u56de\u8def\u3092\u5099\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u306a\u304b\u306a\u304b\u5b9f\u73fe\u304c\u96e3\u3057\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u203b 2024\u5e747\u6708\u306e\u6642\u70b9\u3067\u306f\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306b\u306fDDR5 DRAM\u306b\u898b\u3089\u308c\u308b\u3088\u3046\u306aWrite\/Read CRC\u6a5f\u80fd\u306f\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u305b\u3093<\/p>\n\n\n\n<p>\u3000\u3053\u306e\u30d0\u30b9\u306e\u5165\u53e3\u3068\u51fa\u53e3\u306b\u304a\u3051\u308bCRC\u306e\u8a08\u7b97\u304a\u3088\u3073\u4ed8\u4e0e\u3068\u691c\u67fb\u3092\u3069\u3053\u307e\u3067\u53b3\u5bc6\u306b\u884c\u3046\u304b\u306f\u3001SSD\u304c\u5b9f\u73fe\u3059\u308b\u4fe1\u983c\u6027\u306e\u9ad8\u3055\u306b\u5fdc\u3058\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 id=\"outline__7_2_4\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\uff08\u53c2\u8003\uff09End-to-End Data 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src=\"https:\/\/www.hagisol.co.jp\/techblog\/wp-content\/uploads\/2025\/04\/bus-protection-write-path-with-e2e-en-1024x412.png\" alt=\"\" class=\"wp-image-5055\"\/><figcaption class=\"wp-element-caption\"><em>\u56f37\uff1aEnd-to-End Data 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id=\"outline__8\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u306e\u30d0\u30b0\u3084\u8a2d\u8a08\u4e0d\u5099\u306b\u3088\u308bSDC<\/mark><\/h2>\n\n\n\n<p>\u3000\u3053\u308c\u307e\u3067\u306b\u8aac\u660e\u3057\u305f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u8d77\u56e0\u306e\u30a8\u30e9\u30fc\u306b\u3088\u308bSDC\u4ee5\u5916\u306b\u3001FW\u306e\u8a2d\u8a08\u4e0d\u5099\u3084\u30d0\u30b0\u306b\u3088\u308a\u767a\u751f\u3057\u305f\u30a8\u30e9\u30fc\uff08\u4e0d\u5177\u5408\uff09\u3092\u8981\u56e0\u3068\u3059\u308bSDC\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3072\u3068\u3064\u306e\u4f8b\u306f\u3001Garbage Collection 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