{"id":476857,"date":"2023-08-09T09:04:34","date_gmt":"2023-08-09T09:04:34","guid":{"rendered":""},"modified":"2023-09-05T11:13:35","modified_gmt":"2023-09-05T11:13:35","slug":"disk-storage","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/disk-storage\/","title":{"rendered":"\u30c7\u30a3\u30b9\u30af\u30b9\u30c8\u30ec\u30fc\u30b8"},"content":{"rendered":"<p>\u30c7\u30a3\u30b9\u30af \u30b9\u30c8\u30ec\u30fc\u30b8\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf \u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306e\u57fa\u672c\u7684\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3042\u308a\u3001\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58\u304a\u3088\u3073\u691c\u7d22\u30b7\u30b9\u30c6\u30e0\u306e\u4e2d\u6838\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u3053\u306e\u5305\u62ec\u7684\u306a\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30c7\u30a3\u30b9\u30af \u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u4e16\u754c\u3092\u8a73\u3057\u304f\u8abf\u3079\u3001\u305d\u306e\u6b74\u53f2\u3092\u305f\u3069\u308a\u3001\u305d\u306e\u6a5f\u80fd\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306e\u5206\u91ce\u306b\u304a\u3051\u308b\u95a2\u9023\u6027\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30c7\u30a3\u30b9\u30af\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u8d77\u6e90\u3068\u9032\u5316<\/h2>\n<p>\u6700\u521d\u306e\u30c7\u30a3\u30b9\u30af \u30b9\u30c8\u30ec\u30fc\u30b8 \u30c7\u30d0\u30a4\u30b9\u3068\u3057\u3066\u77e5\u3089\u308c\u308b\u306e\u306f\u30011956 \u5e74\u306b\u30c7\u30d3\u30e5\u30fc\u3057\u305f IBM 305 RAMAC (Random Access Method of Accounting and Control) \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306e\u4e00\u90e8\u3067\u3042\u308b IBM 350 \u30c7\u30a3\u30b9\u30af \u30b9\u30c8\u30ec\u30fc\u30b8 \u30e6\u30cb\u30c3\u30c8\u3067\u3059\u3002IBM 350 \u306b\u306f 24 \u30a4\u30f3\u30c1 \u30d7\u30e9\u30c3\u30bf\u30fc\u304c 50 \u500b\u3042\u308a\u3001500 \u4e07\u6587\u5b57\u3092\u4fdd\u5b58\u3067\u304d\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u4eca\u65e5\u306e\u57fa\u6e96\u3067\u306f 5 \u30e1\u30ac\u30d0\u30a4\u30c8\u5f31\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u3046\u3057\u305f\u3055\u3055\u3084\u304b\u306a\u59cb\u307e\u308a\u304b\u3089\u3001\u30c7\u30a3\u30b9\u30af \u30b9\u30c8\u30ec\u30fc\u30b8\u6280\u8853\u306f\u6025\u901f\u306b\u9032\u6b69\u3057\u307e\u3057\u305f\u30021960 \u5e74\u4ee3\u306b\u5c0e\u5165\u3055\u308c\u305f\u30cf\u30fc\u30c9 \u30c7\u30a3\u30b9\u30af \u30c9\u30e9\u30a4\u30d6 (HDD) \u306f\u3001\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58\u3068\u691c\u7d22\u6a5f\u80fd\u306b\u5927\u304d\u306a\u98db\u8e8d\u3092\u3082\u305f\u3089\u3057\u307e\u3057\u305f\u300220 \u4e16\u7d00\u672b\u307e\u3067\u306b\u3001\u30c7\u30a3\u30b9\u30af \u30b9\u30c8\u30ec\u30fc\u30b8\u306f\u30bd\u30ea\u30c3\u30c9 \u30b9\u30c6\u30fc\u30c8 \u30c9\u30e9\u30a4\u30d6 (SSD) \u306e\u5c0e\u5165\u306b\u3088\u3063\u3066\u5287\u7684\u306a\u5909\u5316\u3092\u9042\u3052\u3001\u30c7\u30fc\u30bf \u30a2\u30af\u30bb\u30b9\u6642\u9593\u306e\u77ed\u7e2e\u3001\u6d88\u8cbb\u96fb\u529b\u306e\u524a\u6e1b\u3001\u4fe1\u983c\u6027\u306e\u5411\u4e0a\u304c\u5b9f\u73fe\u3057\u307e\u3057\u305f\u3002<\/p>\n<h2>\u30c7\u30a3\u30b9\u30af\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u8907\u96d1\u3055<\/h2>\n<p>\u30c7\u30a3\u30b9\u30af \u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u672c\u8cea\u306f\u3001\u7269\u7406\u7684\u306a\u30b9\u30c8\u30ec\u30fc\u30b8 \u30e1\u30c7\u30a3\u30a2 (\u901a\u5e38\u306f\u30cf\u30fc\u30c9 \u30c7\u30a3\u30b9\u30af \u30c9\u30e9\u30a4\u30d6 (HDD) \u307e\u305f\u306f\u30bd\u30ea\u30c3\u30c9 \u30b9\u30c6\u30fc\u30c8 \u30c9\u30e9\u30a4\u30d6 (SSD)) \u306b\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u4e00\u9023\u306e\u78c1\u6c17\u307e\u305f\u306f\u96fb\u6c17\u30a4\u30f3\u30d1\u30eb\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b9\u30c8\u30ec\u30fc\u30b8 \u30e1\u30c7\u30a3\u30a2\u306b\u30c7\u30fc\u30bf\u304c\u66f8\u304d\u8fbc\u307e\u308c\u305f\u308a\u3001\u30b9\u30c8\u30ec\u30fc\u30b8 \u30e1\u30c7\u30a3\u30a2\u304b\u3089\u30c7\u30fc\u30bf\u304c\u8aad\u307f\u53d6\u3089\u308c\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n<p>HDD \u3067\u306f\u3001\u30c7\u30fc\u30bf\u306f\u9ad8\u901f\u3067\u56de\u8ee2\u3059\u308b\u78c1\u6c17\u306b\u654f\u611f\u306a\u30c7\u30a3\u30b9\u30af\u3001\u3064\u307e\u308a\u30d7\u30e9\u30c3\u30bf\u30fc\u306b\u66f8\u304d\u8fbc\u307e\u308c\u307e\u3059\u3002\u53ef\u52d5\u30a2\u30fc\u30de\u30c1\u30e5\u30a2\u304c\u30d7\u30e9\u30c3\u30bf\u30fc\u4e0a\u306e\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u8fbc\u3093\u3060\u308a\u3001\u8aad\u307f\u53d6\u3063\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u3001SSD \u306f\u3001\u96fb\u6e90\u304c\u4f9b\u7d66\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3067\u3082\u60c5\u5831\u3092\u4fdd\u6301\u3059\u308b\u4e0d\u63ee\u767a\u6027\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u4e00\u7a2e\u3067\u3042\u308b\u30d5\u30e9\u30c3\u30b7\u30e5 \u30e1\u30e2\u30ea\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002\u56de\u8ee2\u30c7\u30a3\u30b9\u30af\u306e\u4ee3\u308f\u308a\u306b\u3001SSD \u306f\u534a\u5c0e\u4f53\u30bb\u30eb\u306e\u30a2\u30ec\u30a4\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30c7\u30a3\u30b9\u30af\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u5206\u6790\uff1a\u4ed5\u7d44\u307f<\/h2>\n<p>HDD \u306f\u78c1\u6c17\u306e\u539f\u7406\u306b\u57fa\u3065\u3044\u3066\u52d5\u4f5c\u3057\u307e\u3059\u3002\u30c7\u30a3\u30b9\u30af\u8868\u9762\u3092\u79fb\u52d5\u3059\u308b\u30a2\u30fc\u30e0\u306b\u53d6\u308a\u4ed8\u3051\u3089\u308c\u305f\u8aad\u307f\u53d6\u308a\/\u66f8\u304d\u8fbc\u307f\u30d8\u30c3\u30c9\u306f\u3001\u30d7\u30e9\u30c3\u30bf\u30fc\u4e0a\u306e\u5fae\u7d30\u306a\u9818\u57df\u3092\u5206\u6975\u3055\u305b\u3066\u30d0\u30a4\u30ca\u30ea \u30c7\u30fc\u30bf (0 \u3068 1) \u3092\u8868\u3059\u3053\u3068\u3067\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u8fbc\u307f\u307e\u3059\u3002\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u53d6\u308b\u305f\u3081\u306b\u3001\u30d8\u30c3\u30c9\u306f\u5404\u9818\u57df\u306e\u78c1\u6c17\u6975\u6027\u3092\u611f\u77e5\u3057\u307e\u3059\u3002<\/p>\n<p>\u9006\u306b\u3001SSD \u306f\u96fb\u5b50\u96fb\u8377\u306e\u539f\u7406\u306b\u57fa\u3065\u3044\u3066\u52d5\u4f5c\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u306f\u3001\u30e1\u30e2\u30ea\u30bb\u30eb\u306e\u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30b2\u30fc\u30c8\u306b\u96fb\u8377\u3092\u9069\u7528\u3057\u3001\u305d\u306e\u96fb\u6c17\u4f1d\u5c0e\u6027\u3092\u5909\u5316\u3055\u305b\u3066\u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf\u3092\u8868\u3059\u3053\u3068\u3067\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>\u30c7\u30a3\u30b9\u30af\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u4e3b\u306a\u6a5f\u80fd\u306e\u8a73\u7d30<\/h2>\n<p>\u30c7\u30a3\u30b9\u30af \u30b9\u30c8\u30ec\u30fc\u30b8\u306b\u306f\u3001\u73fe\u4ee3\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u6b20\u304b\u305b\u306a\u3044\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>\u4e0d\u63ee\u767a\u6027\u30b9\u30c8\u30ec\u30fc\u30b8<\/strong>: \u30c7\u30a3\u30b9\u30af \u30b9\u30c8\u30ec\u30fc\u30b8\u306f\u96fb\u6e90\u304c\u306a\u304f\u3066\u3082\u60c5\u5831\u3092\u4fdd\u6301\u3059\u308b\u305f\u3081\u3001\u9577\u671f\u306e\u30c7\u30fc\u30bf\u4fdd\u5b58\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>\u30e9\u30f3\u30c0\u30e0\u30a2\u30af\u30bb\u30b9<\/strong>: \u30c7\u30a3\u30b9\u30af \u30b9\u30c8\u30ec\u30fc\u30b8\u3067\u306f\u3001\u30b9\u30c8\u30ec\u30fc\u30b8 \u30e1\u30c7\u30a3\u30a2\u4e0a\u306e\u7269\u7406\u7684\u306a\u5834\u6240\u306b\u95a2\u4fc2\u306a\u304f\u3001\u4efb\u610f\u306e\u9806\u5e8f\u3067\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u30b9\u30c8\u30ec\u30fc\u30b8\u5bb9\u91cf<\/strong>: \u6700\u65b0\u306e\u30c7\u30a3\u30b9\u30af \u30b9\u30c8\u30ec\u30fc\u30b8 \u30c7\u30d0\u30a4\u30b9\u306f\u5927\u5bb9\u91cf\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001HDD \u306f\u4e00\u822c\u306b\u6570\u30c6\u30e9\u30d0\u30a4\u30c8 (TB)\u3001SSD \u306f\u6700\u5927\u6570 TB \u306e\u5bb9\u91cf\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/strong>: SSD \u306f\u6a5f\u68b0\u90e8\u54c1\u304c\u306a\u3044\u305f\u3081\u3001HDD \u306b\u6bd4\u3079\u3066\u30c7\u30fc\u30bf \u30a2\u30af\u30bb\u30b9\u901f\u5ea6\u304c\u512a\u308c\u3066\u304a\u308a\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u304c\u4f4e\u304f\u306a\u308a\u3001\u8d77\u52d5\u6642\u9593\u304c\u901f\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>\u30c7\u30a3\u30b9\u30af\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u7a2e\u985e<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u30c7\u30a3\u30b9\u30af\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u7a2e\u985e<\/th>\n<th>\u52d5\u4f5c\u539f\u7406<\/th>\n<th>\u30b9\u30c8\u30ec\u30fc\u30b8\u30e1\u30c7\u30a3\u30a2<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u30c9\u30e9\u30a4\u30d6(HDD)<\/td>\n<td>\u78c1\u6c17<\/td>\n<td>\u78c1\u6c17\u30c7\u30a3\u30b9\u30af\uff08\u30d7\u30e9\u30c3\u30bf\u30fc\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u30bd\u30ea\u30c3\u30c9 \u30b9\u30c6\u30fc\u30c8 \u30c9\u30e9\u30a4\u30d6 (SSD)<\/td>\n<td>\u96fb\u5b50\u96fb\u8377<\/td>\n<td>\u534a\u5c0e\u4f53\u30bb\u30eb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30c7\u30a3\u30b9\u30af\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u6d3b\u7528\uff1a\u8ab2\u984c\u3068\u89e3\u6c7a\u7b56<\/h2>\n<p>\u30c7\u30a3\u30b9\u30af \u30b9\u30c8\u30ec\u30fc\u30b8\u306f\u3001\u30d1\u30fc\u30bd\u30ca\u30eb \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3084\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30c7\u30b8\u30bf\u30eb \u30ab\u30e1\u30e9\u3084\u30b2\u30fc\u30e0 \u30b3\u30f3\u30bd\u30fc\u30eb\u307e\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u8ab2\u984c\u304c\u306a\u3044\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30c7\u30a3\u30b9\u30af \u30b9\u30c8\u30ec\u30fc\u30b8\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306e\u640d\u5931\u3001\u30c9\u30e9\u30a4\u30d6\u306e\u969c\u5bb3\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u4f4e\u4e0b\u306a\u3069\u304c\u4e00\u822c\u7684\u306a\u554f\u984c\u3068\u3057\u3066\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<p>\u5e78\u3044\u306a\u3053\u3068\u306b\u3001RAID (Redundant Array of Independent Disks) \u30b7\u30b9\u30c6\u30e0\u3001\u5b9a\u671f\u7684\u306a\u30c7\u30fc\u30bf \u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3001\u30c7\u30a3\u30b9\u30af\u306e\u30c7\u30d5\u30e9\u30b0\u306a\u3069\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u3053\u308c\u3089\u306e\u554f\u984c\u3092\u8efd\u6e1b\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u8fd1\u5e74\u3067\u306f\u3001SSD \u306e\u5c0e\u5165\u306b\u3088\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u95a2\u9023\u306e\u591a\u304f\u306e\u554f\u984c\u306b\u3082\u5bfe\u51e6\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2>\u30c7\u30a3\u30b9\u30af\u30b9\u30c8\u30ec\u30fc\u30b8: \u7279\u5fb4\u3068\u6bd4\u8f03<\/h2>\n<p>HDD\u3068SSD\u306e\u6bd4\u8f03:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7279\u6027<\/th>\n<th>\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af<\/th>\n<th>\u30bd\u30ea\u30c3\u30c9\u30b9\u30c6\u30fc\u30c8\u30c9\u30e9\u30a4\u30d6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30b9\u30d4\u30fc\u30c9<\/td>\n<td>\u3082\u3063\u3068\u3086\u3063\u304f\u308a<\/td>\n<td>\u3082\u3063\u3068\u65e9\u304f<\/td>\n<\/tr>\n<tr>\n<td>\u8010\u4e45\u6027<\/td>\n<td>\u4f4e\u3044\uff08\u6a5f\u68b0\u90e8\u54c1\u304c\u6545\u969c\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\uff09<\/td>\n<td>\u3088\u308a\u9ad8\u3044\uff08\u53ef\u52d5\u90e8\u54c1\u306a\u3057\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u30ce\u30a4\u30ba<\/td>\n<td>\u97f3\u304c\u5927\u304d\u304f\u306a\u308b\uff08\u53ef\u52d5\u90e8\u54c1\u306e\u305f\u3081\uff09<\/td>\n<td>\u9759\u304b\u306b<\/td>\n<\/tr>\n<tr>\n<td>\u30a8\u30cd\u30eb\u30ae\u30fc\u52b9\u7387<\/td>\n<td>\u52b9\u7387\u304c\u60aa\u3044<\/td>\n<td>\u3082\u3063\u3068\u52b9\u7387\u7684<\/td>\n<\/tr>\n<tr>\n<td>GB\u3042\u305f\u308a\u306e\u4fa1\u683c<\/td>\n<td>\u5b89\u3044<\/td>\n<td>\u3082\u3063\u3068\u9ad8\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30c7\u30a3\u30b9\u30af\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u5c06\u6765\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>\u30c7\u30a3\u30b9\u30af \u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u5c06\u6765\u306f\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u5bc6\u5ea6\u3068\u901f\u5ea6\u306e\u7d99\u7d9a\u7684\u306a\u6539\u5584\u306b\u3042\u308a\u307e\u3059\u3002HDD \u306e\u71b1\u88dc\u52a9\u78c1\u6c17\u8a18\u9332 (HAMR) \u3084 SSD \u306e 3D NAND \u30c6\u30af\u30ce\u30ed\u30b8\u306a\u3069\u306e\u958b\u767a\u306b\u3088\u308a\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u5bb9\u91cf\u306e\u5897\u5927\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5411\u4e0a\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u30a8\u30af\u30b9\u30d7\u30ec\u30b9 (NVMe) \u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306e\u9032\u6b69\u306b\u3088\u308a\u3001SSD \u306e\u901f\u5ea6\u3068\u52b9\u7387\u304c\u3055\u3089\u306b\u5411\u4e0a\u3059\u308b\u3068\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306b\u304a\u3051\u308b\u30c7\u30a3\u30b9\u30af\u30b9\u30c8\u30ec\u30fc\u30b8<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306e\u4e16\u754c\u3067\u306f\u3001\u30c7\u30a3\u30b9\u30af \u30b9\u30c8\u30ec\u30fc\u30b8\u306f\u30ad\u30e3\u30c3\u30b7\u30e5 (\u30c7\u30fc\u30bf\u53d6\u5f97\u3092\u9ad8\u901f\u5316\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u6280\u8853) \u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u983b\u7e41\u306b\u8981\u6c42\u3055\u308c\u308b Web \u30da\u30fc\u30b8\u3084\u305d\u306e\u4ed6\u306e Web \u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30c7\u30a3\u30b9\u30af \u30b9\u30c8\u30ec\u30fc\u30b8\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u30da\u30fc\u30b8\u3092\u8981\u6c42\u3059\u308b\u3068\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u30c7\u30a3\u30b9\u30af \u30b9\u30c8\u30ec\u30fc\u30b8\u304b\u3089\u76f4\u63a5\u305d\u306e\u30da\u30fc\u30b8\u3092\u914d\u4fe1\u3067\u304d\u308b\u305f\u3081\u3001\u5fdc\u7b54\u6642\u9593\u304c\u77ed\u7e2e\u3055\u308c\u3001\u5e2f\u57df\u5e45\u306e\u4f7f\u7528\u91cf\u304c\u524a\u6e1b\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u30c7\u30a3\u30b9\u30af \u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30ea\u30bd\u30fc\u30b9\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<ol>\n<li><a href=\"https:\/\/computer.howstuffworks.com\/hard-disk.htm\" target=\"_new\" rel=\"noopener nofollow\">HowStuffWorks: \u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306e\u4ed5\u7d44\u307f<\/a><\/li>\n<li><a href=\"https:\/\/www.westerndigital.com\/solutions\/hdd-ssd\" target=\"_new\" rel=\"noopener nofollow\">Western Digital: HDD \u3068 SSD \u306e\u8aac\u660e<\/a><\/li>\n<li><a href=\"https:\/\/www.computerhope.com\/issues\/ch001396.htm\" target=\"_new\" rel=\"noopener nofollow\">\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u5e0c\u671b: SSD \u5bfe HDD<\/a><\/li>\n<li><a href=\"https:\/\/www.backblaze.com\/b2\/hard-drive-test-data.html\" target=\"_new\" rel=\"noopener nofollow\">Backblaze: \u30cf\u30fc\u30c9\u30c9\u30e9\u30a4\u30d6\u306e\u6545\u969c\u7387<\/a><\/li>\n<li><a href=\"http:\/\/www.datacenterjournal.com\/the-future-of-disk-storage\/\" target=\"_new\" rel=\"noopener nofollow\">\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u30b8\u30e3\u30fc\u30ca\u30eb: \u30c7\u30a3\u30b9\u30af\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u672a\u6765<\/a><\/li>\n<\/ol>","protected":false},"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476857","wiki","type-wiki","status-publish","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Disk Storage: A Comprehensive Guide<\/mark>","faq_items":[{"question":"What was the first disk storage device and when was it introduced?","answer":"<p>The first disk storage device was the IBM 350 Disk Storage Unit, introduced in 1956 as part of the IBM 305 RAMAC computer.<\/p>"},{"question":"How does disk storage work in a Hard Disk Drive (HDD)?","answer":"<p>In an HDD, data is written onto a magnetically sensitive disk, or platter, which spins at high speed. A moving armature writes or reads the data on the platter.<\/p>"},{"question":"How does disk storage work in a Solid-State Drive (SSD)?","answer":"<p>An SSD stores data using flash memory, a type of non-volatile storage that retains information even when power is not supplied. SSDs use an array of semiconductor cells to store data.<\/p>"},{"question":"What are some of the key features of disk storage?","answer":"<p>Key features of disk storage include non-volatile storage, random access, high storage capacity, and in the case of SSDs, superior performance in terms of speed.<\/p>"},{"question":"What are the different types of disk storage?","answer":"<p>The primary types of disk storage are Hard Disk Drives (HDDs) and Solid-State Drives (SSDs).<\/p>"},{"question":"What challenges are associated with disk storage and how can they be resolved?","answer":"<p>Common challenges with disk storage include data loss, drive failures, and slow performance. These can be mitigated by using RAID systems, regular data backups, disk defragmentation, and adopting SSDs for better performance.<\/p>"},{"question":"How does disk storage play a role in proxy servers?","answer":"<p>In the context of proxy servers, disk storage is used for caching frequently requested web pages and other web content, which allows the proxy server to deliver faster response times and reduce bandwidth usage.<\/p>"},{"question":"What are some future perspectives and technologies related to disk storage?","answer":"<p>Future technologies in disk storage include improvements in storage density and speed, with developments like Heat-Assisted Magnetic Recording (HAMR) for HDDs and 3D NAND technology for SSDs. Advancements in non-volatile memory express (NVMe) technology are also expected to enhance the speed and efficiency of SSDs.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476857","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476857\/revisions"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=476857"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}