{"id":4273,"date":"2024-11-05T08:30:00","date_gmt":"2024-11-04T23:30:00","guid":{"rendered":"https:\/\/www.hagisol.co.jp\/techblog\/?p=4273"},"modified":"2024-11-01T15:13:35","modified_gmt":"2024-11-01T06:13:35","slug":"post-4273","status":"publish","type":"post","link":"https:\/\/www.hagisol.co.jp\/techblog\/?p=4273","title":{"rendered":"SLC\u30ad\u30e3\u30c3\u30b7\u30e5(1\/3)\uff1a\u4ed5\u7d44\u307f\u3068\u30dd\u30a4\u30f3\u30c8"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large is-style-default\"><img decoding=\"async\" src=\"https:\/\/www.hagisol.co.jp\/techblog\/wp-content\/uploads\/2024\/10\/AdobeStock_809390680-1024x574.jpeg\" alt=\"\" class=\"wp-image-4427\"\/><\/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\">\u3053\u306e\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u3066\u3044\u308b\u88fd\u54c1<\/mark><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.hagisol.co.jp\/products\/storage\" target=\"_blank\" rel=\"noreferrer noopener\">\u7523\u696d\u7528\u30b9\u30c8\u30ec\u30fc\u30b8\u88fd\u54c1(NVMe SSD, SATA SSD)<\/a><\/li>\n<\/ul>\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\">\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\/b784f5d96e56fc516fb5\" target=\"_blank\" rel=\"noreferrer noopener\">2023\u5e745\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__3\" 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>\u3000NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3092\u642d\u8f09\u3057\u305fSSD\uff08\u4ee5\u964dSSD\u3068\u8a18\u8f09\uff09\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3001\u3082\u3057\u304f\u306fSSD\u306e\u6027\u80fd\u306b\u3064\u3044\u3066\u8abf\u3079\u305f\u3053\u3068\u304c\u3042\u308b\u3001\u3068\u3044\u3046\u65b9\u3067\u3042\u308c\u3070\u3001\u300cSLC\u30ad\u30e3\u30c3\u30b7\u30e5\uff08SLC Cache\u3001\u30e1\u30fc\u30ab\u30fc\u306b\u3088\u308aTurbo Write\u306a\u3069\u3068\u547c\u3076\u3053\u3068\u3082\u3042\u308b\uff09\u300d\u3068\u3044\u3046\u6a5f\u80fd\u3092\u3054\u5b58\u77e5\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u3044\u3046\u6280\u8853\u3092\u7aef\u7684\u306b\u307e\u3068\u3081\u308b\u3068\u3001\u300cSLC NAND\u4ee5\u5916\u306eNAND\uff08TLC\u306a\u3069\u591a\u5024NAND\uff09\u3092\u4e0d\u63ee\u767a\u6027\u8a18\u61b6\u5a92\u4f53\u3068\u3059\u308bSSD\u306b\u304a\u3044\u3066SLC (NAND)\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u3057\u3066\u3001\u30c7\u30fc\u30bf\u8aad\u307f\u66f8\u304d\u6027\u80fd\u5411\u4e0a\u3084\u5bff\u547d\u9577\u671f\u5316\u3092\u56f3\u308b\u6280\u8853\u300d\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u304cTLC\u3001QLC\u3068\u591a\u5024\u5ea6\u3092\u5897\u3059\u306b\u3064\u308c\u3066\u305d\u306e\u8aad\u307f\u66f8\u304d\u6642\u9593\u304c\u9577\u304f\u306a\u308b\u306a\u304b\u3001\u9ad8\u307e\u308a\u7d9a\u3051\u308bSSD\u3078\u306e\u6027\u80fd\u8981\u6c42\u306b\u5fdc\u3048\u7d9a\u3051\u3089\u308c\u305f\u306e\u306fSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u304a\u304b\u3052\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u305d\u3053\u3067\u3001\u4eca\u56de\u306e\u8a18\u4e8b\u3067SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u4ed5\u7d44\u307f\u3092\u8aac\u660e\u3057\u3001\u6b21\u56de\u4ee5\u964d\u306e\u8a18\u4e8b\u3067SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5229\u70b9\u3068\u6b20\u70b9\u3001SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u52b9\u679c\u3092\u5f97\u3089\u308c\u308b\u4f7f\u3044\u304b\u305f\u3068\u5f97\u3089\u308c\u306a\u3044\u4f7f\u3044\u304b\u305f\u3001\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u306a\u304a\u3001\u3053\u306e\u8a18\u4e8b\u306e\u5185\u5bb9\u306fSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u3054\u304f\u57fa\u672c\u7684\u306a\u4ed5\u7d44\u307f\u3067\u3059\u3002\u5b9f\u88fd\u54c1\u3067\u306f\u30e1\u30fc\u30ab\u30fc\u304c\u72ec\u81ea\u306e\u5de5\u592b\u3092\u52a0\u3048\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u7d30\u90e8\u306b\u304a\u3044\u3066\u3053\u306e\u8a18\u4e8b\u306e\u5185\u5bb9\u3068\u7570\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002<\/p>\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\">\u307e\u3068\u3081<\/mark><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u3001\u4e00\u822c\u7684\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6027\u8cea\u3092\u5099\u3048\u3001SSD\u304c\u642d\u8f09\u3059\u308bNAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u4e00\u90e8\u3067\u5b9f\u73fe\u3055\u308c\u308b<\/li>\n\n\n\n<li>\u901a\u5e38\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u7570\u306a\u308a\u3001SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u304b\u3089\u306e\u30c7\u30fc\u30bf\u8ffd\u3044\u51fa\u3057\u3068\u5bb9\u91cf\u5fa9\u6d3b\u51e6\u7406\u304c\u91cd\u8981\u306a\u9375\u3092\u63e1\u308b<\/li>\n<\/ul>\n\n\n\n<h2 id=\"outline__5\" class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u6a5f\u80fd\u3059\u308b\u7406\u7531<\/mark><\/strong><\/h2>\n\n\n\n<p>\u3000SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u3001\u305d\u306e\u540d\u306e\u3068\u304a\u308a\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u6559\u79d1\u66f8\u3067\u3044\u3046\u3068\u3053\u308d\u306e\u300c\u30ad\u30e3\u30c3\u30b7\u30e5\u300d\u306e\u6027\u8cea\u3092\u6301\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u56f31\u306f\u3001SSD\u5185\u90e8\u3067\u306e\u30e6\u30fc\u30b6\u30c7\u30fc\u30bf\u306b\u5bfe\u3059\u308b\u30e1\u30e2\u30ea\u968e\u5c64\u3092\u3001L1\u30ad\u30e3\u30c3\u30b7\u30e5\u3068L2\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u4e3b\u8a18\u61b6(DRAM)\u304b\u3089\u69cb\u6210\u3055\u308c\u305f\u30d7\u30ed\u30bb\u30c3\u30b5\u3068\u5bfe\u6bd4\u3055\u305b\u305f\u3082\u306e\u3067\u3059\u3002SSD\u306e\u5834\u5408\u3001L1\u30ad\u30e3\u30c3\u30b7\u30e5\u304cSRAM\u3084DRAM\u3001L2\u30ad\u30e3\u30c3\u30b7\u30e5\u304cSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u4e3b\u8a18\u61b6\u304cTLC\u3084QLC\u306eNAND\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u306a\u304a\u3001\u56f31\u306f\u8aac\u660e\u7528\u306b\u7c21\u7565\u5316\u3057\u305f\u3082\u306e\u3067\u5b9f\u969b\u306b\u306f\u69d8\u3005\u306a\u69cb\u6210\u304c\u3042\u308b\u3053\u3068\u306b\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u3053\u3053\u3067\u306e\u30ec\u30a4\u30c6\u30f3\u30b7\u306f\u300c\u5358\u4f4d\u30c7\u30fc\u30bf\u3042\u305f\u308a\u306e\u30ec\u30a4\u30c6\u30f3\u30b7\u300d\u3067\u306f\u306a\u304f\u3001Read\u306a\u3089\u6700\u521d\u306e\u30c7\u30fc\u30bf\u304c\u51fa\u59cb\u3081\u308b\u307e\u3067\u3001Write\u306a\u30891\u5358\u4f4d\u306e\u66f8\u304d\u8fbc\u307f\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u3001\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u307e\u305f\u3001SRAM\u3068DRAM\u306e\u30ec\u30a4\u30c6\u30f3\u30b7\u306f<a href=\"https:\/\/qiita.com\/zacky1972\/items\/e0faf71aa0469141dede\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u3061\u3089\u306e\u8a18\u4e8b<\/a>\u3092\u53c2\u8003\u306b\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-default\"><img decoding=\"async\" src=\"https:\/\/www.hagisol.co.jp\/techblog\/wp-content\/uploads\/2024\/10\/cache-access-latency-en-2.png\" alt=\"\" class=\"wp-image-4435\"\/><figcaption class=\"wp-element-caption\"><em>\u56f31\uff1a\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u30e1\u30e2\u30ea\u968e\u5c64\u3068SSD\u5185\u90e8\u306e\u30e1\u30e2\u30ea\u968e\u5c64\u306e\u6bd4\u8f03<\/em><\/figcaption><\/figure>\n\n\n\n<p>\u3000\u56f31\u306e\u3088\u3046\u306b\u3001SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306fSSD\u5185\u90e8\u306e\u4e3b\u8a18\u61b6\u3067\u3042\u308bTLC NAND\u3084QLC NAND\u3068SLC\u306e\u8aad\u307f\u66f8\u304d\u306e\u30ec\u30a4\u30c6\u30f3\u30b7\u5dee\u3092\u5229\u7528\u3057\u3066\u69cb\u6210\u3055\u308c\u305f\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u540c\u3058\u304f\u56f31\u306e\u3088\u3046\u306b\u3001SSD\u306e\u968e\u5c64\u9593\u30ec\u30a4\u30c6\u30f3\u30b7\u5dee\u306fRead\u3068Write\u3067\u7570\u306a\u308a\u307e\u3059\u3002\u3053\u306e&nbsp;Read\u3068Write\u306e\u30ec\u30a4\u30c6\u30f3\u30b7\u5dee\u306e\u9055\u3044\u304cSSD\uff08NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\uff09\u306e\u5927\u304d\u306a\u7279\u5fb4\u3067\u3059\u3002 Write\u306e\u30ec\u30a4\u30c6\u30f3\u30b7\u5dee\u304c\u5927\u304d\u3044\u305f\u3081\u3001SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u52b9\u679c\u304c\u6700\u5927\u306b\u306a\u308b\u306e\u306fWrite\u51e6\u7406\u3092SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u5438\u53ce\u3067\u304d\u305f\u3068\u304d\u3067\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\">\u30ad\u30e3\u30c3\u30b7\u30e5\u5272\u308a\u5f53\u3066<\/mark><\/h2>\n\n\n\n<p>\u3000\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5272\u308a\u5f53\u3066\u65b9\u6cd5\u306b\u306f\u3001\u5927\u304d\u304f\u5206\u3051\u3066\u30c0\u30a4\u30ec\u30af\u30c8\u30de\u30c3\u30d7\u3001\u30d5\u30eb\u30a2\u30bd\u30b7\u30a2\u30c6\u30a3\u30d6\u3001\u30bb\u30c3\u30c8\u30a2\u30bd\u30b7\u30a2\u30c6\u30a3\u30d6\u3001\u306e3\u3064\u306e\u65b9\u5f0f\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u30ad\u30e3\u30c3\u30b7\u30e5\u5185\u3067\u306e\u5272\u308a\u5f53\u3066\u5834\u6240\u306b\u3064\u3044\u3066\u3001\u30c0\u30a4\u30ec\u30af\u30c8\u30de\u30c3\u30d7\u306f\u30a2\u30c9\u30ec\u30b9\u306a\u3069\u304b\u3089\u4e00\u610f\u306b\u6c7a\u307e\u308b\u3001\u30d5\u30eb\u30a2\u30bd\u30b7\u30a2\u30c6\u30a3\u30d6\u306f\u3069\u3053\u3067\u3082\u826f\u3044\u3001\u30bb\u30c3\u30c8\u30a2\u30bd\u30b7\u30a2\u30c6\u30a3\u30d6\u306f\u524d\u8a182\u65b9\u5f0f\u3092\u4f75\u7528\u3059\u308b\u65b9\u5f0f\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u3001\u4e00\u822c\u7684\u306b\u30d5\u30eb\u30a2\u30bd\u30b7\u30a2\u30c6\u30a3\u30d6\u3092\u63a1\u7528\u3057\u307e\u3059\u3002\u305d\u306e\u7406\u7531\u306f\u3001SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u304cNAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3067\u5b9f\u88c5\u3055\u308c\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3054\u5b58\u77e5\u306e\u3068\u304a\u308a\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306f\u30da\u30fc\u30b8\u5358\u4f4d\u3067\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u8fbc\u307f\u307e\u3059\u3002\u305d\u3057\u3066\u66f8\u304d\u8fbc\u307f\u5148\u306e\u30da\u30fc\u30b8\u3092\u30e9\u30f3\u30c0\u30e0\u306b\u306f\u9078\u629e\u3067\u304d\u305a\u3001\u30da\u30fc\u30b8\u756a\u53f7\u306e\u6607\u9806\u3067\u66f8\u304d\u8fbc\u307e\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\uff08\u56f32\uff09\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-default\"><img decoding=\"async\" src=\"https:\/\/www.hagisol.co.jp\/techblog\/wp-content\/uploads\/2024\/09\/NAND-program-sequence-en.png\" alt=\"\" class=\"wp-image-4298\"\/><figcaption class=\"wp-element-caption\"><em>\u56f32\uff1aNAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u30c7\u30fc\u30bf\u66f8\u304d\u8fbc\u307f\u9806\u5e8f\u5236\u7d04<\/em><\/figcaption><\/figure>\n\n\n\n<p>\u3000\u3053\u306e\u305f\u3081\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u304cNAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3067\u69cb\u6210\u3055\u308c\u308bSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5834\u5408\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u5185\u3067\u30e9\u30f3\u30c0\u30e0\u306a\u30c7\u30fc\u30bf\u66f8\u304d\u8fbc\u307f\u304c\u5fc5\u8981\u306a\u30c0\u30a4\u30ec\u30af\u30c8\u30de\u30c3\u30d7\u3068\u30bb\u30c3\u30c8\u30a2\u30bd\u30b7\u30a2\u30c6\u30a3\u30d6\u306e\u4e21\u65b9\u5f0f\u306f\u5b9f\u88c5\u304c\u96e3\u3057\u304f\u3001\u307e\u305f\u5b9f\u88c5\u3057\u3066\u3082\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u671f\u5f85\u3055\u308c\u308b\u52b9\u679c\uff08\u6027\u80fd\u5411\u4e0a\uff09\u3092\u5b9f\u73fe\u3067\u304d\u307e\u305b\u3093\u3002\u3053\u306e\u3088\u3046\u306a\u70b9\u304b\u3089\u3001SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u306f\u30d5\u30eb\u30a2\u30bd\u30b7\u30a2\u30c6\u30a3\u30d6\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u30d5\u30eb\u30a2\u30bd\u30b7\u30a2\u30c6\u30a3\u30d6\u3067\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u5272\u308a\u5f53\u3066\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3001\u304b\u3064\u300c\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u3069\u3053\u306b\u3069\u306e\u30c7\u30fc\u30bf\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u306e\u304b\u300d\u306e\u7ba1\u7406\u30b3\u30b9\u30c8\u3082\u7ba1\u7406\u30c6\u30fc\u30d6\u30eb\u306e\u6271\u3044\u306b\u6ce8\u610f\u3059\u308c\u3070SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u52b9\u679c\u306b\u5341\u5206\u898b\u5408\u3046\u3082\u306e\u3067\u6e08\u307f\u307e\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\">\u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30a3\u30eb<\/mark><\/h2>\n\n\n\n<p>\u3000\u3053\u3053\u304b\u3089\u306f\u30d5\u30eb\u30a2\u30bd\u30b7\u30a2\u30c6\u30a3\u30d6\u306eSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4eee\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30a3\u30eb\u52d5\u4f5c\u306f\u3068\u3066\u3082\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30a3\u30eb\u306fRead-Modify-Write\u304c\u5fc5\u8981\u306a\u5834\u5408\u306b\u306e\u307f\u884c\u308f\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\uff08\u56f33\uff09\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-default\"><img decoding=\"async\" src=\"https:\/\/www.hagisol.co.jp\/techblog\/wp-content\/uploads\/2024\/09\/slc-cache-fill-en.png\" alt=\"\" class=\"wp-image-4301\"\/><figcaption class=\"wp-element-caption\"><em>\u56f33\uff1aSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30a3\u30eb\u52d5\u4f5c<\/em><\/figcaption><\/figure>\n\n\n\n<p>\u3000\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u3042\u308c\u3070\u3001\u30d7\u30ed\u30bb\u30c3\u30b5\u304c\u4e3b\u8a18\u61b6\u304b\u3089\u8aad\u307f\u51fa\u3057\u305f\u30c7\u30fc\u30bf\u3082\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u66f8\u304d\u8fbc\u3080\u65b9\u5f0f\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u3053\u308c\u3092SSD\u3068SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u5f53\u3066\u306f\u3081\u308b\u3068\u3001\u30db\u30b9\u30c8\u304b\u3089\u53d7\u9818\u3057\u305fRead\u30b3\u30de\u30f3\u30c9\u306b\u5bfe\u3057\u3066TLC\u3084QLC NAND\u304b\u3089\u8aad\u307f\u51fa\u3057\u305f\u30c7\u30fc\u30bf\u3092SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u66f8\u304d\u8fbc\u3080\u3001\u3068\u3044\u3046\u52d5\u4f5c\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u304a\u6c17\u3065\u304d\u3067\u3057\u3087\u3046\u304b\u3002SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u6709\u52b9\u306aSSD\u304c\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u540c\u69d8\u3053\u306e\u52d5\u4f5c\u3092\u3057\u3066\u3057\u307e\u3046\u3068\u3001Read\u3057\u7d9a\u3051\u308b\u3060\u3051\u3067SSD\u306e\u5bff\u547d\u3092\u4f7f\u3044\u679c\u305f\u3057\u3066\u3057\u307e\u3044\u307e\u3059\uff08\u8a73\u7d30\u306f\u8a18\u8f09\u3057\u307e\u305b\u3093\uff09\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u306e\u305f\u3081\u3001\u30db\u30b9\u30c8\u304cRead\u3057\u305f\u30c7\u30fc\u30bf\u306f\u901a\u5e38SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u306f\u66f8\u304d\u8fbc\u307f\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 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\">\u30e9\u30a4\u30c8\u30d0\u30c3\u30af<\/mark><\/h2>\n\n\n\n<p>\u3000\u6700\u521d\u306b\u8aac\u660e\u3057\u305f\u3068\u304a\u308a\u3001SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u305d\u306e\u52b9\u679c\u3092\u6700\u5927\u9650\u767a\u63ee\u3059\u308b\u306e\u306f\u30db\u30b9\u30c8\u304b\u3089\u306eWrite\u3092SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u5438\u53ce\u51fa\u6765\u305f\u3068\u304d\u3067\u3059\u3002\u305d\u3057\u3066\u53ef\u80fd\u306a\u304b\u304e\u308a\u4e3b\u8a18\u61b6\uff08TLC\u3084QLC NAND\uff09\u3078\u306e\u30e9\u30a4\u30c8\u30d0\u30c3\u30af\u306f\u884c\u3044\u305f\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3000\u305d\u3082\u305d\u3082SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u30e9\u30a4\u30c8\u30b9\u30eb\u30fc\u65b9\u5f0f\u3067\u5b9f\u88c5\u3055\u308c\u308b\u3053\u3068\u306f\u5c11\u306a\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30e9\u30a4\u30c8\u30b9\u30eb\u30fc\u65b9\u5f0f\u306b\u3088\u308a\u4f8b\u3048\u3070\u96fb\u6e90\u65ad\u6642\u306e\u30c7\u30fc\u30bf\u6d88\u5931\u88ab\u5bb3\u8efd\u6e1b\u304c\u56f3\u308c\u307e\u3059\u3002\u3057\u304b\u3057\u3001SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306fNAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3064\u307e\u308a\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u3067\u3059\u306e\u3067\u66f8\u304d\u8fbc\u3093\u3067\u3057\u307e\u3048\u3070\u96fb\u6e90\u304c\u5207\u308c\u3066\u3082\u30c7\u30fc\u30bf\u306f\u4fdd\u6301\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u305d\u306e\u4e0a\u3001\u4e3b\u8a18\u61b6\u3082\u66f8\u304d\u63db\u3048\u56de\u6570\u306b\u5236\u7d04\u304c\u3042\u308bNAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3067\u3059\u304b\u3089\u3001\u3067\u304d\u308b\u3060\u3051\u4e3b\u8a18\u61b6\u3078\u306e\u66f8\u304d\u8fbc\u307f\u56de\u6570\u3082\u6e1b\u3089\u3059\u3053\u3068\u304c\u671b\u307e\u3057\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-default\"><img decoding=\"async\" src=\"https:\/\/www.hagisol.co.jp\/techblog\/wp-content\/uploads\/2024\/10\/slc-cache-fifo-en-2.png\" alt=\"\" class=\"wp-image-4468\"\/><figcaption class=\"wp-element-caption\"><em>\u56f34\uff1aSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u69cb\u9020\u4f8b\u3068\u30e9\u30a4\u30c8\u30d0\u30c3\u30af\u306e\u30a4\u30e1\u30fc\u30b8<\/em><\/figcaption><\/figure>\n\n\n\n<p>\u3000\u4ee5\u4e0a\u306e\u3053\u3068\u304b\u3089\u3001SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u4e00\u822c\u7684\u306b\u56f34\u306e\u3088\u3046\u306aFIFO\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5165\u53e3\uff08FIFO\u306e\u5165\u53e3\uff09\u306b\u306f\u30db\u30b9\u30c8\u304b\u3089\u306e\u66f8\u304d\u8fbc\u307f\u3068\u305d\u308c\u306b\u3088\u308a\u4e3b\u8a18\u61b6\u304b\u3089\u8aad\u307f\u51fa\u3055\u308c\u305f\u30c7\u30fc\u30bf\u304c\u66f8\u304d\u8fbc\u307e\u308c\u3001SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u51fa\u53e3\uff08FIFO\u306e\u51fa\u53e3\uff09\u3067\u306f\u8ffd\u3044\u51fa\u3057\u5bfe\u8c61\u306e\u30d6\u30ed\u30c3\u30af\u5185\u306e\u6709\u52b9\u30c7\u30fc\u30bf\u304c\u4e3b\u8a18\u61b6\u306b\u8ffd\u3044\u51fa\u3055\u308c\u307e\u3059\uff08\u30b3\u30d4\u30fc\u3055\u308c\u307e\u3059\uff09\u3002<\/p>\n\n\n\n<p>\u3000\u8ffd\u3044\u51fa\u3057\u305f\u30d6\u30ed\u30c3\u30af\u306f\u56de\u53ce\u3057\u3001\u30d5\u30ea\u30fc\u30d6\u30ed\u30c3\u30af\u3068\u3057\u3066\u305d\u306e\u5f8c\u306e\u66f8\u304d\u8fbc\u307f\u3067\u5229\u7528\u3057\u307e\u3059\u3002\u307e\u305f\u3001FIFO\u306e\u5165\u53e3\u306e\u30d6\u30ed\u30c3\u30af\u306e\u5168\u30da\u30fc\u30b8\u306b\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u8fbc\u3093\u3060\u3089\u65b0\u3057\u3044\u30d6\u30ed\u30c3\u30af\u3092\u4f9b\u7d66\u3057\u3066SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u52d5\u4f5c\u3092\u7d99\u7d9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u306a\u304a\u3001\u56f34\u3084\u4e0a\u8a18\u8aac\u660e\u3067\u306fSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u304b\u3089\u306e\u8ffd\u3044\u51fa\u3057\uff08\u30e9\u30a4\u30c8\u30d0\u30c3\u30af\uff09\u3092FIFO\u306e\u51fa\u53e3\u304b\u3089\u306e\u307f\u884c\u3046\u3088\u3046\u306b\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u5b9f\u969b\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u30e1\u30fc\u30ab\u30fc\u3084\u88fd\u54c1\u306b\u3088\u308a\u591a\u7a2e\u591a\u69d8\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u3057\u3066\u306e\u6a5f\u80fd\u3092\u512a\u5148\u3059\u308b\u5834\u5408\u3001SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u5185\u306e\u30d6\u30ed\u30c3\u30af\u3092LRU (Least Recently Used)\u306a\u3069\u3067\u7ba1\u7406\u3057\u3066\u8ffd\u3044\u51fa\u3059\u30d6\u30ed\u30c3\u30af\u3092\u6c7a\u5b9a\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u307e\u305f\u3001\u8ffd\u3044\u51fa\u3057\u6642\u306e\u51e6\u7406\uff08\u30c7\u30fc\u30bf\u30b3\u30d4\u30fc\uff09\u306e\u52b9\u7387\u3092\u512a\u5148\u3059\u308b\u5834\u5408\u3001\u6709\u52b9\u30c7\u30fc\u30bf\u304c\u5c11\u306a\u3044\u30d6\u30ed\u30c3\u30af\u3092\u8ffd\u3044\u51fa\u3059\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u305d\u3057\u3066SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30d0\u30c3\u30d5\u30a1\u3068\u3057\u3066\u306e\u6a5f\u80fd\u3092\u512a\u5148\u3057\u305f\u5834\u5408\u3001\u56f34\u306e\u3088\u3046\u306b\u5358\u7d14\u306bFIFO\u306e\u51fa\u53e3\u304b\u3089\u8ffd\u3044\u51fa\u3059\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059<\/p>\n\n\n\n<h2 id=\"outline__9\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5b9f\u4f53<\/mark><\/h2>\n\n\n\n<p>\u3000SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u8abf\u9054\u3059\u308b\u6700\u3082\u7c21\u5358\u306a\u65b9\u6cd5\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u7528SLC NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3092SSD\u306b\u642d\u8f09\u3059\u308b\u65b9\u6cd5\u3067\u3059\u304c\u3001\u305d\u308c\u3067\u306f\u30b3\u30b9\u30c8\u306a\u3069\u306e\u70b9\u3067\u88fd\u54c1\u3068\u3057\u3066\u6210\u7acb\u3055\u305b\u308b\u3053\u3068\u304c\u96e3\u3057\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u305d\u3053\u3067\u3001\u4e00\u822c\u7684\u306b\u306f&nbsp;\u300c\u7591\u4f3cSLC (Pseudo SLC)\u300d&nbsp;\u306a\u3069\u3068\u547c\u3070\u308c\u308b\u6280\u8853\u3092\u4f7f\u3044\u307e\u3059\u3002\u3053\u306e\u6280\u8853\u306f&nbsp;\u300cTLC NAND\u3084QLC NAND\u3092SLC NAND\u306e\u3088\u3046\u306b\u4f7f\u7528\u3057\u3066SLC NAND\u306b\u5339\u6575\u3059\u308b\u8aad\u307f\u66f8\u304d\u6027\u80fd\u3084\u5bff\u547d\u3092\u5b9f\u73fe\u3059\u308b\u300d&nbsp;\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002\u6700\u8fd1\u306eSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u3001\u307b\u307c\u5168\u3066\u3053\u306e\u7591\u4f3cSLC\u3067\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u306f\u305a\u3067\u3059\u3002\u7591\u4f3cSLC\u306f\u3042\u304f\u307e\u3067SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5b9f\u73fe\u65b9\u6cd5\u306e\u4e00\u90e8\u3067\u3042\u308a\u300cSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u2260\u7591\u4f3cSLC\u300d\u3067\u3042\u308b\u3053\u3068\u306b\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u306e\u7591\u4f3cSLC\u6280\u8853\u306b\u3088\u308a\u3001SLC NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u305d\u306e\u3082\u306e\u3092\u642d\u8f09\u3057\u3066\u3044\u306a\u304f\u3066\u3082SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u5b9f\u73fe\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__10\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5bb9\u91cf<\/mark><\/h2>\n\n\n\n<p>\u3000SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u7279\u5fb4\u3065\u3051\u308b\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u7b46\u982d\u306f\u300cSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5bb9\u91cf\u300d\u3067\u3059\u3002\u5177\u4f53\u7684\u306a\u30a4\u30e1\u30fc\u30b8\u3067\u3044\u3046\u3068\u3001\u56f34\u5185\u306eSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30d6\u30ed\u30c3\u30af\u6570\u3092\u4f55\u500b\u307e\u3067\u8a31\u5bb9\u3059\u308b\u304b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u308c\u306b\u306f\u5927\u304d\u304f\u308f\u3051\u30662\u3064\u3042\u308a\u307e\u3059\u3002\u3072\u3068\u3064\u306f\u300c\u53ef\u80fd\u306a\u9650\u308aSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u5927\u304d\u304f\u3059\u308b\u300d\u3068\u3044\u3046\u3082\u306e\u3067\u3001\u3082\u3046\u3072\u3068\u3064\u306f\u300cSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6700\u5927\u5bb9\u91cf\u3092\u898f\u5b9a\u3059\u308b\u300d\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3069\u3061\u3089\u3082\u6700\u5927\u5bb9\u91cf\u3067\u898f\u5b9a\u3057\u3066\u3044\u308b\u70b9\u3067\u4f3c\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u524d\u8005\u306f\u76f8\u5bfe\u7684\u306a\u6bd4\u8f03\u3067\u304b\u3064\u52d5\u7684\u306b\u30b5\u30a4\u30ba\u304c\u5909\u308f\u308a\u5f97\u308b\u306e\u306b\u5bfe\u3057\u3001\u5f8c\u8005\u306f\u4f8b\u3048\u3070\u300c100 GB\u300d\u306a\u3069\u3068\u56fa\u5b9a\u30b5\u30a4\u30ba\u3068\u306a\u308b\u70b9\u304c\u7570\u306a\u308a\u307e\u3059\uff08\u5f8c\u8005\u3067\u3082\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u30b5\u30a4\u30ba\u3092\u5909\u3048\u308b\u3053\u3068\u3082\u3042\u308b\uff09\u3002<\/p>\n\n\n\n<p>\u3000\u3069\u3061\u3089\u306e\u5834\u5408\u3067\u3082\u3001SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u4e3b\u8a18\u61b6\u304cTLC\u306a\u30893\u500d\uff08QLC\u306a\u30894\u500d\uff09\u306e\u5bb9\u91cf\u3092\u6d88\u8cbb\u3057\u307e\u3059\u306e\u3067\u3001\u4e3b\u8a18\u61b6\u3068\u3057\u3066\u4f7f\u7528\u3057\u3066\u3044\u308b\u5bb9\u91cf\u306b\u5fdc\u3058\u3066SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u3057\u3066\u306e\u6700\u5927\u5bb9\u91cf\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002\u8a00\u3044\u65b9\u3092\u304b\u3048\u308b\u3068\u3001\u300cSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306fSSD\u306e\u7a7a\u304d\u5bb9\u91cf\u3092\u6d3b\u7528\u3057\u3066\u3044\u308b\u300d \u3068\u8a00\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-default\"><img decoding=\"async\" src=\"https:\/\/www.hagisol.co.jp\/techblog\/wp-content\/uploads\/2024\/09\/slc-cache-and-capacity-en.png\" alt=\"\" class=\"wp-image-4405\"\/><figcaption class=\"wp-element-caption\"><em>\u56f35\uff1aSSD\u5bb9\u91cf\u3068SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u5bb9\u91cf\u306e\u95a2\u4fc2<\/em><\/figcaption><\/figure>\n\n\n\n<p>\u3000\u56f35 (A)\u306f\u4e3b\u8a18\u61b6\u304c\u30bc\u30ed\u306e\u5834\u5408\u3067\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u7406\u8ad6\u4e0aSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5bb9\u91cf\u306f333 GB\u307e\u3067\u62e1\u5927\u53ef\u80fd\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u56f35 (C)\u306e\u3088\u3046\u306b\u4e3b\u8a18\u61b6\u306b700 GB\u306e\u30c7\u30fc\u30bf\u304c\u8a18\u9332\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306fSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5bb9\u91cf\u306f\u6700\u5927100 GB\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__11\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5bb9\u91cf\u5fa9\u6d3b<\/mark><\/h2>\n\n\n\n<p>\u3000\u305d\u3057\u3066SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u7279\u5fb4\u7684\u306a\u52d5\u4f5c\u304c\u300c\u5bb9\u91cf\u5fa9\u6d3b\u51e6\u7406\u300d\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u56f36 (A)\u306f\u3001SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5bb9\u91cf\u304c100 GB\u3001\u4e3b\u8a18\u61b6\u306e\u5bb9\u91cf\u304c400 GB\u3001\u7a7a\u304d\u5bb9\u91cf\u304cTLC\u63db\u7b97\u3067300 GB\u3068\u3044\u3046\u72b6\u614b\u306eSSD\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u72b6\u614b\u304b\u3089SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u8a18\u9332\u3055\u308c\u3066\u3044\u308b60 GB\u306e\u30c7\u30fc\u30bf\u3092\u4e3b\u8a18\u61b6\u306b\u79fb\u52d5\u3055\u305b\u305f\u3082\u306e\u304c\u56f36 (B)\u3067\u3059\u3002SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u304b\u3089\u4e3b\u8a18\u61b6\u3078\u306e\u30c7\u30fc\u30bf\u306e\u79fb\u52d5\u306e\u307f\u3067\u7a7a\u304d\u5bb9\u91cf\u304c\u5897\u3048\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306fSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u304cTLC\u63db\u7b97\u30673\u500d\u306e\u5bb9\u91cf\u3092\u5360\u3081\u3066\u3044\u308b\u305f\u3081\u3067\u3059\uff0860 GB x 2 = 120 GB\u306e\u5bb9\u91cf\u304c\u958b\u653e\u3055\u308c\u305f\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-default\"><img decoding=\"async\" src=\"https:\/\/www.hagisol.co.jp\/techblog\/wp-content\/uploads\/2024\/09\/slc-cache-clean-en.png\" alt=\"\" class=\"wp-image-4408\"\/><figcaption class=\"wp-element-caption\"><em>\u56f36\uff1aSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5bb9\u91cf\u5fa9\u6d3b<\/em><\/figcaption><\/figure>\n\n\n\n<p>\u3000\u56f36\u306eSSD\u304c\u300cSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6700\u5927\u5bb9\u91cf\u304c100 GB\u300d\u8a2d\u5b9a\u306e\u5834\u5408\u3001\u56f36\uff08A)\u3067\u306f\u3082\u3046SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u62e1\u5927\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u56f36 (B)\u3067\u306f\u518d\u307360 GB\u5206SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u3057\u3066\u4f7f\u7528\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u307e\u305f\u56f36\u306eSSD\u304c\u300c\u53ef\u80fd\u306a\u9650\u308aSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u5927\u304d\u304f\u3059\u308b\u300d\u8a2d\u5b9a\u306e\u5834\u5408\u3082\u3001\u56f36 (A)\u3067\u306fSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u3057\u3066\u306e\u5229\u7528\u53ef\u80fd\u5bb9\u91cf\u306f\u6b8b\u308a100 GB\u3067\u3059\u304c\u3001\u56f36(B)\u3067\u306f140 GB\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u308c\u304cSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5bb9\u91cf\u5fa9\u6d3b\u51e6\u7406\u3067\u3059\u3002\u3053\u306eSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5bb9\u91cf\u5fa9\u6d3b\u51e6\u7406\u306fSSD\u306b\u3088\u308a\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002\u4e3b\u306a\u9055\u3044\u306f\u300cSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5bb9\u91cf\u5fa9\u6d3b\u51e6\u7406\u3092SSD\u306e\u30a2\u30a4\u30c9\u30eb\u6642\u306a\u3069\u306b\u7a4d\u6975\u7684\u306b\u884c\u3046\u304b\u5426\u304b\u300d\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u5099\u3048\u308b\u304b\u5426\u304b\u3082\u542b\u3081\u3066\u5206\u985e\u3059\u308b\u3068\u56f37\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-default\"><img decoding=\"async\" src=\"https:\/\/www.hagisol.co.jp\/techblog\/wp-content\/uploads\/2024\/09\/slc-cache-clean-or-not-en.png\" alt=\"\" class=\"wp-image-4411\"\/><figcaption class=\"wp-element-caption\"><em>\u56f37\uff1aSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5bb9\u91cf\u5fa9\u6d3b\u51e6\u7406\u306b\u3088\u308bSSD\u306e\u5206\u985e<\/em><\/figcaption><\/figure>\n\n\n\n<p>\u3000\u56f37\u306e\u30bf\u30a4\u30d7A\u304b\u3089C\u307e\u3067\u306e3\u30bf\u30a4\u30d7\u306b\u305d\u308c\u305e\u308c\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u3001\u5404\u30e1\u30fc\u30ab\u30fc\u3001\u5404\u88fd\u54c1\u306e\u7279\u5fb4\u304c\u8272\u6fc3\u304f\u53cd\u6620\u3055\u308c\u307e\u3059\u3002\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8\u306e\u8a73\u7d30\u306f\u6b21\u56de\u306e\u8a18\u4e8b\u3067\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__12\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u305d\u306e\u4ed6\u52d5\u4f5c\u3092\u6c7a\u3081\u308b\u30d1\u30e9\u30e1\u30fc\u30bf<\/mark><\/h2>\n\n\n\n<p>\u3000\u3053\u308c\u307e\u3067\u306b\u8aac\u660e\u3057\u305f\u4ed6\u306b\u3082\u3001\u30db\u30b9\u30c8\u304b\u3089\u306eWrite\u30c7\u30fc\u30bf\u3092SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u66f8\u304f\u304b\u4e3b\u8a18\u61b6\u306b\u66f8\u304f\u304b\u3092\u6c7a\u3081\u308b\u95be\u5024\u3084\u3001SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u3078\u306e\u66f8\u304d\u8fbc\u307f\u3092\u4e00\u65e6\u505c\u6b62\u3059\u308b\u30b9\u30a4\u30c3\u30c1\u306a\u3069\u3001SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u52d5\u4f5c\u3092\u6c7a\u3081\u308b\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u30e1\u30fc\u30ab\u30fc\u3084\u88fd\u54c1\u306b\u3088\u308a\u69d8\u3005\u306a\u3082\u306e\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__13\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u304a\u308f\u308a\u306b<\/mark><\/h2>\n\n\n\n<p>\u3000SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u3001SSD\u306b\u6c42\u3081\u3089\u308c\u308b\u9ad8\u3044\u6027\u80fd\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u306f\u6b20\u304b\u305b\u306a\u3044\u6280\u8853\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3067\u69cb\u6210\u3055\u308c\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u6559\u79d1\u66f8\u3067\u3044\u3046\u300c\u30ad\u30e3\u30c3\u30b7\u30e5\u300d\u306e\u6027\u8cea\u3092\u6301\u3061\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u4ed5\u7d44\u307f\u3068\u52d5\u4f5c\u3092\u6b63\u3057\u304f\u7406\u89e3\u3057\u306a\u3044\u3068SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5b58\u5728\u304cSSD\u306e\u6027\u80fd\u4f4e\u4e0b\u3092\u62db\u304f\u3053\u3068\u3084\u5bff\u547d\u6d88\u8cbb\u3092\u65e9\u3081\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u4ed5\u7d44\u307f\u3068\u305d\u306e\u52d5\u4f5c\u3092\u6c7a\u3081\u308b\u30dd\u30a4\u30f3\u30c8\u3092\u8aac\u660e\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3000SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6709\u7121\u306fSSD\u306e\u30ab\u30bf\u30ed\u30b0\u306b\u8a18\u8f09\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u306e\u8a18\u4e8b\u3067\u8aac\u660e\u3057\u305f\u3088\u3046\u306aSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u69cb\u6210\u306a\u3069\u306f\u901a\u5e38\u8a18\u8f09\u3055\u308c\u307e\u305b\u3093\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30e1\u30fc\u30ab\u30fc\u3078\u306e\u554f\u3044\u5408\u308f\u305b\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u6b21\u56de\u306e\u8a18\u4e8b\u3067\u306fSLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__14\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u4ed6\u793e\u5546\u6a19\u306b\u3064\u3044\u3066<\/mark><\/h2>\n\n\n\n<p>\u3000\u8a18\u4e8b\u4e2d\u306b\u306f\u767b\u9332\u5546\u6a19\u30de\u30fc\u30af\u3092\u660e\u8a18\u3057\u3066\u304a\u308a\u307e\u305b\u3093\u304c\u3001\u8a18\u4e8b\u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u308b\u4f1a\u793e\u540d\u304a\u3088\u3073\u88fd\u54c1\u540d\u7b49\u306f\u4e00\u822c\u306b\u5404\u793e\u306e\u5546\u6a19\u307e\u305f\u306f\u767b\u9332\u5546\u6a19\u3067\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__15\" class=\"wp-block-heading\" id=\"outline__9\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u8a18\u4e8b\u5185\u5bb9\u306b\u3064\u3044\u3066<\/mark><\/h2>\n\n\n\n<p>\u3000\u3053\u306e\u8a18\u4e8b\u306e\u5185\u5bb9\u306f\u3001\u767a\u8868\u5f53\u6642\u306e\u60c5\u5831\u3067\u3059\u3002\u4e88\u544a\u306a\u304f\u5909\u66f4\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u3042\u3089\u304b\u3058\u3081\u3054\u4e86\u627f\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u9ad8\u6027\u80fdSSD\u306b\u306f\u6b20\u304b\u305b\u306a\u3044SLC\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u4ed5\u7d44\u307f\u3068\u30dd\u30a4\u30f3\u30c8\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":4,"featured_media":4427,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13,15],"tags":[23,24,35],"class_list":["post-4273","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-reliability","category-stability","tag-nvme-ssd","tag-sata-ssd","tag-35"],"_links":{"self":[{"href":"https:\/\/www.hagisol.co.jp\/techblog\/index.php?rest_route=\/wp\/v2\/posts\/4273","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hagisol.co.jp\/techblog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hagisol.co.jp\/techblog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hagisol.co.jp\/techblog\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hagisol.co.jp\/techblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4273"}],"version-history":[{"count":55,"href":"https:\/\/www.hagisol.co.jp\/techblog\/index.php?rest_route=\/wp\/v2\/posts\/4273\/revisions"}],"predecessor-version":[{"id":4619,"href":"https:\/\/www.hagisol.co.jp\/techblog\/index.php?rest_route=\/wp\/v2\/posts\/4273\/revisions\/4619"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hagisol.co.jp\/techblog\/index.php?rest_route=\/wp\/v2\/media\/4427"}],"wp:attachment":[{"href":"https:\/\/www.hagisol.co.jp\/techblog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4273"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hagisol.co.jp\/techblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4273"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hagisol.co.jp\/techblog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4273"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}