{"id":18208,"date":"2026-03-08T15:06:23","date_gmt":"2026-03-08T14:06:23","guid":{"rendered":"https:\/\/webhosting.de\/server-health-checks-failover-high-availability-redundanz\/"},"modified":"2026-03-08T15:06:23","modified_gmt":"2026-03-08T14:06:23","slug":"%e3%82%b5%e3%83%bc%e3%83%90%e3%83%bc%e3%81%ae%e3%83%98%e3%83%ab%e3%82%b9%e3%83%81%e3%82%a7%e3%83%83%e3%82%af-%e3%83%95%e3%82%a7%e3%82%a4%e3%83%ab%e3%82%aa%e3%83%bc%e3%83%90%e3%83%bc-%e9%ab%98%e5%8f%af","status":"publish","type":"post","link":"https:\/\/webhosting.de\/ja\/server-health-checks-failover-high-availability-redundanz\/","title":{"rendered":"\u30b5\u30fc\u30d0\u30fc\u306e\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u3068\u81ea\u52d5\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u306b\u3088\u308b\u9ad8\u53ef\u7528\u6027"},"content":{"rendered":"<p><strong>\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u306e\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc<\/strong> \u306f\u3001\u53b3\u5bc6\u306a\u540c\u671f\u30c1\u30a7\u30c3\u30af\u3068\u3001\u30b5\u30fc\u30d3\u30b9\u306b\u969c\u5bb3\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306e\u4ee3\u66ff\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u81ea\u52d5\u5207\u308a\u66ff\u3048\u306b\u3088\u308a\u3001\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u76e3\u8996\u3001\u30cf\u30fc\u30c8\u30d3\u30fc\u30c8\u3001\u30d5\u30a7\u30f3\u30b7\u30f3\u30b0\u3001DNS\u3084\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u306e\u5207\u308a\u66ff\u3048\u304c\u3069\u306e\u3088\u3046\u306b\u9023\u643a\u3057\u3001\u6570\u79d2\u306e\u5207\u308a\u66ff\u3048\u6642\u9593\u3067\u9ad8\u53ef\u7528\u6027\u3092\u5b9f\u73fe\u3059\u308b\u306e\u304b\u3092\u7d39\u4ecb\u3059\u308b\u3002.<\/p>\n\n<h2>\u4e2d\u5fc3\u70b9<\/h2>\n\n<ul>\n  <li><strong>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30fb\u30c1\u30a7\u30c3\u30af<\/strong> HTTP\u30b9\u30c6\u30fc\u30bf\u30b9\u3001\u5f85\u3061\u6642\u9593\u3001\u30ea\u30bd\u30fc\u30b9\u306b\u57fa\u3065\u3044\u3066\u969c\u5bb3\u3092\u691c\u51fa\u3059\u308b\u3002.<\/li>\n  <li><strong>\u81ea\u52d5\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc<\/strong> \u306f\u6570\u79d2\u4ee5\u5185\u306b\u5065\u5168\u306a\u30ce\u30fc\u30c9\u306b\u30b5\u30fc\u30d3\u30b9\u3092\u5207\u308a\u66ff\u3048\u308b\u3002.<\/li>\n  <li><strong>\u30d5\u30a7\u30f3\u30b7\u30f3\u30b0\uff06\u30af\u30a9\u30fc\u30e9\u30e0<\/strong> \u30b9\u30d7\u30ea\u30c3\u30c8\u30d6\u30ec\u30a4\u30f3\u3092\u9632\u304e\u3001\u30c7\u30fc\u30bf\u306e\u4e00\u8cab\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3002.<\/li>\n  <li><strong>DNS\u3068LB\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0<\/strong> \u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u7d20\u65e9\u304f\u8a98\u5c0e\u3059\u308b\u3002.<\/li>\n  <li><strong>\u30c6\u30b9\u30c8\u3068\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/strong> \u8aa4\u5831\u3092\u6e1b\u3089\u3057\u3001\u7a3c\u50cd\u6642\u9593\u3092\u9ad8\u304f\u4fdd\u3064\u3002.<\/li>\n<\/ul>\n\n<h2>\u30b5\u30fc\u30d0\u30fc\u306e\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u306f\u4f55\u3092\u3059\u308b\u306e\u304b\uff1f<\/h2>\n\n<p>I\u30a2\u30f3\u30ab\u30fc <strong>\u5065\u5eb7\u30c1\u30a7\u30c3\u30af<\/strong> \u5404\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u305d\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u660e\u78ba\u306b\u5831\u544a\u3059\u308b\u3088\u3046\u306b\u3001\u30b5\u30fc\u30d3\u30b9\u3078\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3002\u5c02\u7528\u306e\/health\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3084TCP\u30c1\u30a7\u30c3\u30af\u306f\u3001\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u30bf\u30a4\u30e0\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u30ab\u30d0\u30fc\u3059\u308b\u3002\u307e\u305f\u3001CPU\u3001RAM\u3001\u30c7\u30a3\u30b9\u30afI\/O\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d1\u30b9\u3082\u30c1\u30a7\u30c3\u30af\u3057\u3001\u8ca0\u8377\u306e\u30d4\u30fc\u30af\u3084\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u4e0d\u5177\u5408\u306b\u6c17\u3065\u304b\u306a\u3044\u3053\u3068\u304c\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u30af\u30e9\u30b9\u30bf\u30fb\u30ce\u30fc\u30c9\u9593\u306e\u30cf\u30fc\u30c8\u30d3\u30fc\u30c8\u4fe1\u53f7\u306f1\u79d2\u3054\u3068\u306b\u5b9f\u884c\u3055\u308c\u3001\u8907\u6570\u306e\u969c\u5bb3\u304c\u767a\u751f\u3057\u305f\u5f8c\u306b\u306e\u307f\u691c\u8a3c\u304c\u958b\u59cb\u3055\u308c\u307e\u3059\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u8aa4\u5831\u3092\u6e1b\u3089\u3057\u3001\u5b9f\u969b\u306e\u6545\u969c\u306e\u4fe1\u983c\u3067\u304d\u308b\u753b\u50cf\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002 <strong>\u30b5\u30fc\u30d3\u30b9\u30fb\u30d8\u30eb\u30b9<\/strong>.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/03\/server-health-check-7381.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u81ea\u52d5\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u306e\u4ed5\u7d44\u307f<\/h2>\n\n<p>\u30af\u30ea\u30a2 <strong>\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u8a2d\u8a08<\/strong> \u306f\u3001\u691c\u51fa\u3001\u691c\u8a3c\u3001\u518d\u8d77\u52d5\u3001\u304a\u3088\u3073\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5207\u308a\u66ff\u3048\u304b\u3089\u69cb\u6210\u3055\u308c\u307e\u3059\u3002\u30ce\u30fc\u30c9\u306b\u969c\u5bb3\u304c\u767a\u751f\u3059\u308b\u3068\u3001\u30af\u30e9\u30b9\u30bf\u306f\u30cf\u30fc\u30c8\u30d3\u30fc\u30c8\u306e\u640d\u5931\u3092\u767b\u9332\u3057\u3001\u30d5\u30a7\u30f3\u30b7\u30f3\u30b0\u3092\u958b\u59cb\u3057\u3066\u969c\u5bb3\u306e\u3042\u308b\u30b5\u30fc\u30d0\u3092\u5b89\u5168\u306b\u9694\u96e2\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u5065\u5eb7\u306a\u30ce\u30fc\u30c9\u304c\u30b5\u30fc\u30d3\u30b9\u3092\u5f15\u304d\u7d99\u304e\u3001\u7406\u60f3\u7684\u306b\u306f\u5171\u6709\u30e1\u30e2\u30ea\u307e\u305f\u306f\u30ec\u30d7\u30ea\u30b1\u30fc\u30c8\u30e1\u30e2\u30ea\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001DNS\u307e\u305f\u306f\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u304c\u30bf\u30fc\u30b2\u30c3\u30c8\u30a2\u30c9\u30ec\u30b9\u3092\u66f4\u65b0\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u624b\u52d5\u3067\u64cd\u4f5c\u3057\u306a\u304f\u3066\u3082\u30b5\u30fc\u30d3\u30b9\u3092\u7d99\u7d9a\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u5404\u30b9\u30c6\u30c3\u30d7\u306f\u3001\u79c1\u304c\u4e8b\u524d\u306b\u30c6\u30b9\u30c8\u3057\u6587\u66f8\u5316\u3057\u305f\u5fc5\u9808\u306e\u3057\u304d\u3044\u5024\u3068\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u306e\u30c1\u30a7\u30fc\u30f3\u306f\u77ed\u3044\u307e\u307e\u3067\u3059\u3002.<\/p>\n\n<table>\n  <thead>\n    <tr>\n      <th>\u30d5\u30a7\u30fc\u30ba<\/th>\n      <th>\u671f\u9593<\/th>\n      <th>\u8aac\u660e<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>\u5931\u6557<\/td>\n      <td>0 s<\/td>\n      <td><strong>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2<\/strong>- \u307e\u305f\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a8\u30e9\u30fc\u304c\u767a\u751f<\/td>\n    <\/tr>\n    <tr>\n      <td>\u30ec\u30b3\u30b0\u30cb\u30b7\u30e7\u30f3<\/td>\n      <td>5-30 s<\/td>\n      <td>\u5fc3\u62cd\u6570\u306e\u4f4e\u4e0b\u307e\u305f\u306f\u5065\u5eb7\u3078\u306e\u60aa\u5f71\u97ff<\/td>\n    <\/tr>\n    <tr>\n      <td>\u691c\u8a3c<\/td>\n      <td>10-30 s<\/td>\n      <td>\u30d5\u30a7\u30f3\u30b7\u30f3\u30b0\u3068\u5b9a\u8db3\u6570\u30c1\u30a7\u30c3\u30af\u306b\u3088\u308b\u8aa4\u5831\u9632\u6b62<\/td>\n    <\/tr>\n    <tr>\n      <td>\u30ea\u30b9\u30bf\u30fc\u30c8<\/td>\n      <td>15-60 s<\/td>\n      <td>\u5065\u5168\u306a\u30ce\u30fc\u30c9\u3067\u30b5\u30fc\u30d3\u30b9\u958b\u59cb<\/td>\n    <\/tr>\n    <tr>\n      <td>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u66f4\u65b0<\/td>\n      <td>5-10 s<\/td>\n      <td>DNS\u307e\u305f\u306fLB\u30ea\u30fc\u30c9 <strong>\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/strong> \u306b\u65bc\u3044\u3066<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>\u5408\u8a08<\/strong><\/td>\n      <td><strong>30\uff5e120\u79d2<\/strong><\/td>\n      <td>\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u307e\u307e<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n<h2>DNS\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u306e\u5b9f\u969b<\/h2>\n\n<p>DNS\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u306f\u3001\u8907\u6570\u306e\u62e0\u70b9\u3084\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3092\u4fdd\u8b77\u3057\u3001\u4e2d\u7acb\u7684\u306a\u5236\u5fa1\u304c\u5fc5\u8981\u306a\u5834\u5408\u306b\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u512a\u5148\u9806\u4f4d\u3092\u6301\u30642\u3064\u306eA\u30ec\u30b3\u30fc\u30c9\u3001\u77ed\u3044TTL\u3001\u5916\u90e8\u306e\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u3067\u5341\u5206\u3067\u3059\u3002 <strong>\u6c7a\u8b70<\/strong> \u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30fb\u30b5\u30fc\u30d0\u30fc\u3078\u3002\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u691c\u51fa\u304c\u91cd\u8981\u3067\u3042\u308b\u3053\u3068\u306b\u5909\u308f\u308a\u306f\u306a\u3044\u3002\u77ed\u6642\u9593\u306e\u4e0d\u5177\u5408\u3067\u76f4\u63a5\u5207\u308a\u66ff\u308f\u3089\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u306b\u306f\u30013\u56de\u30a8\u30e9\u30fc\u304c\u7d9a\u3051\u3070\u5341\u5206\u306a\u3053\u3068\u304c\u591a\u3044\u3002\u307e\u305f\u3001\u5b89\u5b9a\u5f8c\u306b\u30d7\u30e9\u30a4\u30de\u30ea\u304c\u518d\u3073\u5f15\u304d\u7d99\u3050\u3088\u3046\u306b\u3001\u5fa9\u5e30\u306e\u76e3\u8996\u306b\u3082\u6ce8\u610f\u3092\u6255\u3063\u3066\u3044\u307e\u3059\u3002\u3082\u3057\u5177\u4f53\u7684\u306a\u624b\u9806\u3092\u304a\u63a2\u3057\u3067\u3057\u305f\u3089\u3001\u4ee5\u4e0b\u306e\u30ac\u30a4\u30c9\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/webhosting.de\/ja\/dns%e3%83%95%e3%82%a7%e3%82%a4%e3%83%ab%e3%82%aa%e3%83%bc%e3%83%90%e3%83%bc-%e3%83%9b%e3%82%b9%e3%83%86%e3%82%a3%e3%83%b3%e3%82%b0%e5%ae%9f%e8%a3%85-%e3%82%b5%e3%83%bc%e3%83%90%e3%83%bc%e3%81%ae\/\">DNS\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u306e\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7<\/a>, \u79c1\u304c\u5b9f\u8df5\u7684\u306b\u7bc9\u304d\u4e0a\u3052\u305f\u3082\u306e\u3060\u3002.<\/p>\n\n<h2>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u3068\u30d8\u30eb\u30b9\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8<\/h2>\n\n<p>API\u3084\u30a6\u30a7\u30d6\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3067\u306f\u3001\u79c1\u306f <strong>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc<\/strong> \u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u3092\u884c\u3046\u3002HTTP\u307e\u305f\u306fTCP\u30c1\u30a7\u30c3\u30af\u3092\u4ecb\u3057\u3066\u30d7\u30fc\u30eb\u304b\u3089\u969c\u5bb3\u306e\u3042\u308b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u5206\u96e2\u3057\u3001\u5065\u5168\u306a\u30ce\u30fc\u30c9\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5206\u914d\u3059\u308b\u30023-5\u79d2\u306e\u77ed\u3044\u30a4\u30f3\u30bf\u30fc\u30d0\u30eb\u3068\u95be\u5024\u306e\u4e0b\u964d\/\u4e0a\u6607\u306b\u3088\u308a\u3001\u9ad8\u901f\u3060\u304c\u5b89\u5b9a\u3057\u305f\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u52d5\u4f5c\u3092\u5b9f\u73fe\u3059\u308b\u3002\u4f8b\u3068\u3057\u3066\u3001HAProxy\u306bhttpchk\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4ed8\u3051\u3001\u30b5\u30fc\u30d0\u30fc\u30a8\u30f3\u30c8\u30ea\u3054\u3068\u306b\u9593\u9694\u3092\u5fae\u8abf\u6574\u3057\u305f\u3082\u306e\u304c\u3042\u308b\u3002\u3088\u308a\u8a73\u7d30\u306a\u9078\u629e\u624b\u9806\u306b\u3064\u3044\u3066\u306f\u3001\u8a66\u884c\u932f\u8aa4\u306e\u7d50\u679c <a href=\"https:\/\/webhosting.de\/ja\/%e8%b2%a0%e8%8d%b7%e5%88%86%e6%95%a3%e3%82%b9%e3%83%88%e3%83%a9%e3%83%86%e3%82%b8%e3%83%bc-%e3%83%a9%e3%82%a6%e3%83%b3%e3%83%89%e3%83%ad%e3%83%93%e3%83%b3-%e6%9c%80%e5%b0%8f%e6%8e%a5%e7%b6%9a%e6%95%b0\/\">\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0\u6226\u7565<\/a>, \u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u3068\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u6319\u52d5\u306b\u5fdc\u3058\u3066\u8abf\u6574\u3059\u308b\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/03\/Konferenzmeeting_Technologie_7685.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u9ad8\u53ef\u7528\u6027\u3078\u306e\u7dcf\u5408\u7684\u30a2\u30d7\u30ed\u30fc\u30c1<\/h2>\n\n<p>\u79c1\u306f\u6b21\u306e\u3053\u3068\u3092\u8a08\u753b\u3057\u3066\u3044\u308b\u3002 <strong>\u5197\u9577\u6027<\/strong> \u30ec\u30a4\u30e4\u30fc\u3067\uff1a\u30b5\u30fc\u30d0\u30fc\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u3001DNS\/LB\u3067\u3059\u3002\u5358\u4e00\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306f\u3001\u305f\u3068\u3048\u591a\u304f\u306e\u30ce\u30fc\u30c9\u304c\u5229\u7528\u53ef\u80fd\u3067\u3042\u3063\u3066\u3082\u3001\u3042\u3089\u3086\u308b\u30b7\u30b9\u30c6\u30e0\u3092\u30c0\u30a6\u30f3\u3055\u305b\u307e\u3059\u3002\u30de\u30eb\u30c1\u30be\u30fc\u30f3\u307e\u305f\u306f\u30de\u30eb\u30c1\u30ea\u30fc\u30b8\u30e7\u30f3\u306e\u8a2d\u8a08\u306f\u3001\u30b5\u30a4\u30c8\u30ea\u30b9\u30af\u3092\u5927\u5e45\u306b\u8efd\u6e1b\u3057\u307e\u3059\u3002\u8907\u88fd\u307e\u305f\u306f\u5206\u6563\u30b9\u30c8\u30ec\u30fc\u30b8\u306f\u3001\u30d1\u30f3\u30cb\u30f3\u30b0\u4e2d\u306e\u30c7\u30fc\u30bf\u640d\u5931\u3092\u9632\u304e\u307e\u3059\u3002\u81ea\u52d5\u5316\u304c\u306a\u3051\u308c\u3070\u3001\u30ea\u30b6\u30fc\u30d6\u306f\u5229\u7528\u3055\u308c\u306a\u3044\u307e\u307e\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u79c1\u306f\u3057\u3063\u304b\u308a\u3068\u30ea\u30f3\u30af\u30c1\u30a7\u30c3\u30af\u3001\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u3001\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3092\u884c\u3063\u3066\u3044\u308b\u3002.<\/p>\n\n<h2>\u30d5\u30a7\u30f3\u30b7\u30f3\u30b0\u3001\u30af\u30a9\u30fc\u30e9\u30e0\u3001\u30b9\u30d7\u30ea\u30c3\u30c8\u30d6\u30ec\u30a4\u30f3\u3092\u907f\u3051\u308b<\/h2>\n\n<p>\u4fe1\u983c\u3067\u304d\u308b <strong>\u30d5\u30a7\u30f3\u30b7\u30f3\u30b0<\/strong> \u306f\u3001\u6b20\u9665\u306e\u3042\u308b\u30ce\u30fc\u30c9\u3092IPMI\u307e\u305f\u306f\u96fb\u6e90\u30bf\u30c3\u30d7\u3092\u4ecb\u3057\u3066\u30cf\u30fc\u30c9\u30aa\u30d5\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30012\u3064\u306e\u30ce\u30fc\u30c9\u304c\u540c\u6642\u306b\u540c\u3058\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u8fbc\u3080\u3053\u3068\u3092\u9632\u3050\u3002\u30af\u30a9\u30fc\u30e9\u30e0\u30fb\u30e1\u30ab\u30cb\u30ba\u30e0\u306f\u30af\u30e9\u30b9\u30bf\u5185\u306e\u591a\u6570\u6d3e\u3092\u78ba\u4fdd\u3057\u3001\u77db\u76fe\u3057\u305f\u6c7a\u5b9a\u3092\u9632\u3050\u3002\u79c1\u306f\u610f\u56f3\u7684\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5206\u5272\u3092\u30c6\u30b9\u30c8\u3057\u3001\u5b64\u7acb\u3057\u305f\u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u6319\u52d5\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u308b\u3002\u30ed\u30b0\u3084\u30a2\u30e9\u30fc\u30e0\u3067\u91cd\u8907\u304c\u78ba\u8a8d\u3055\u308c\u306a\u304f\u306a\u3063\u3066\u521d\u3081\u3066\u3001\u5341\u5206\u306b\u30d5\u30a7\u30a4\u30eb\u30bb\u30fc\u30d5\u306a\u74b0\u5883\u3060\u3068\u5224\u65ad\u3059\u308b\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/03\/high-availability-servers-2085.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u9593\u9694\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30d0\u30eb\u3068\u3057\u304d\u3044\u5024\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u6c7a\u3081\u3066\u3044\u308b\u3002 <strong>\u30ef\u30fc\u30af\u30ed\u30fc\u30c9<\/strong> \u305d\u3057\u3066\u30ea\u30b9\u30af\u300230\u79d2\u9593\u306b3\u56de\u9023\u7d9a\u3057\u3066\u5931\u6557\u3059\u308b\u3068\u3001\u611f\u5ea6\u3068\u51b7\u9759\u3055\u306e\u4e2d\u9593\u3092\u4fdd\u3066\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u79c1\u306f\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u304c\u91cd\u8981\u306aAPI\u3092\u3088\u308a\u6ce8\u610f\u6df1\u304f\u30c1\u30a7\u30c3\u30af\u3059\u308b\u304c\u3001\u30d0\u30a6\u30f3\u30b9\u52b9\u679c\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u30012\uff5e3\u56de\u306e\u5fdc\u7b54\u6210\u529f\u306e\u4e0a\u6607\u3092\u8a2d\u5b9a\u3059\u308b\u3002\u30b9\u30c6\u30fc\u30c8\u304c\u91cd\u3044\u30b5\u30fc\u30d3\u30b9\u306b\u3064\u3044\u3066\u306f\u30012xx\u30b9\u30c6\u30fc\u30bf\u30b9\u306b\u6ce8\u76ee\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30dc\u30c7\u30a3\u5185\u306e\u660e\u78ba\u306a\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30fb\u30b7\u30b0\u30ca\u30eb\u3092\u30ab\u30a6\u30f3\u30c8\u3059\u308b\u3053\u3068\u3092\u597d\u3080\u3002\u79c1\u306f\u3059\u3079\u3066\u306e\u5909\u66f4\u306b\u30e1\u30c8\u30ea\u30af\u30b9\u3092\u6dfb\u4ed8\u3057\u3001\u6c7a\u5b9a\u4e8b\u9805\u3092\u7406\u89e3\u3057\u3084\u3059\u3044\u65b9\u6cd5\u3067\u66f8\u304d\u7559\u3081\u308b\u3002.<\/p>\n\n<h2>\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3001\u30a2\u30e9\u30fc\u30c8\u3001\u30c6\u30b9\u30c8<\/h2>\n\n<p>\u30b3\u30f3\u30d0\u30a4\u30f3 <strong>\u6307\u6a19<\/strong>, \u30ed\u30b0\u3068\u30c8\u30ec\u30fc\u30b9\u3092\u898b\u308c\u3070\u3001\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3092\u3059\u3050\u306b\u5206\u985e\u3067\u304d\u308b\u3002\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u30a8\u30e9\u30fc\u306f\u8b66\u544a\u3092\u767a\u3057\u307e\u3059\u304c\u3001\u6301\u7d9a\u7684\u306a\u30a8\u30e9\u30fc\u3084\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u306f\u8d64\u306e\u30a8\u30b9\u30ab\u30ec\u30fc\u30b7\u30e7\u30f3\u30ec\u30d9\u30eb\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u8907\u6570\u306e\u30ea\u30fc\u30b8\u30e7\u30f3\u304b\u3089\u306e\u5408\u6210\u30c1\u30a7\u30c3\u30af\u306f\u3001\u30ed\u30fc\u30ab\u30eb\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u304c\u6c17\u4ed8\u304b\u306a\u3044DNS\u306e\u554f\u984c\u3092\u767a\u898b\u3057\u307e\u3059\u3002\u8a08\u753b\u7684\u306a\u969c\u5bb3\u30c6\u30b9\u30c8\u306f\u3001\u5207\u308a\u66ff\u3048\u6642\u9593\u3092\u6e2c\u5b9a\u3057\u3001\u7dca\u6025\u6642\u306b\u9a5a\u304f\u3053\u3068\u306a\u304f\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092\u8abf\u6574\u3057\u307e\u3059\u3002\u5f37\u529b\u306a\u30b9\u30bf\u30c3\u30af <a href=\"https:\/\/webhosting.de\/ja\/grafana-prometheus-%e3%83%9b%e3%82%b9%e3%83%86%e3%82%a3%e3%83%b3%e3%82%b0-%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%aa%e3%83%b3%e3%82%b0-%e3%82%b9%e3%82%bf%e3%83%83%e3%82%af-%e3%83%80%e3%83%83%e3%82%b7\/\">Grafana\u3068Prometheus<\/a> \u30e6\u30fc\u30b6\u30fc\u304c\u6c17\u3065\u304f\u524d\u306b\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u6559\u3048\u3066\u304f\u308c\u308b\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/03\/server_health_failover_tech_8347.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/h2>\n\n<p>\u30b7\u30e3\u30fc\u30d7\u3059\u304e\u308b <strong>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8<\/strong> \u305d\u306e\u305f\u3081\u3001\u3057\u304d\u3044\u5024\u3092\u4e0a\u3052\u3066\u5b89\u5b9a\u6027\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u307e\u3059\u3002\u30d5\u30a7\u30f3\u30b7\u30f3\u30b0\u304c\u6b20\u843d\u3057\u3066\u3044\u308b\u3068\u3001\u30b9\u30d7\u30ea\u30c3\u30c8\u30d6\u30ec\u30a4\u30f3\u304c\u767a\u751f\u3057\u3001\u30c7\u30fc\u30bf\u640d\u5931\u306e\u30ea\u30b9\u30af\u304c\u3042\u308b\u305f\u3081\u3001IPMI\u3068\u30cf\u30fc\u30c9\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u3092\u512a\u5148\u3057\u3066\u3044\u308b\u3002DNS\u306eTTL\u304c\u9ad8\u3044\u3068\u5207\u308a\u66ff\u3048\u6642\u9593\u304c\u9577\u304f\u306a\u308b\u306e\u3067\u3001\u672c\u756a\u74b0\u5883\u3067300\u79d2\u3092\u8d85\u3048\u308b\u3053\u3068\u306f\u307b\u3068\u3093\u3069\u3042\u308a\u307e\u305b\u3093\u3002Windows\u74b0\u5883\u3067\u306f\u3001\u30af\u30e9\u30b9\u30bf\u306e\u691c\u8a3c\u3084\u30a4\u30d9\u30f3\u30c8ID\u304c\u3001\u4e8b\u614b\u3092\u7d20\u65e9\u304f\u7d5e\u308a\u8fbc\u3080\u306e\u306b\u5f79\u7acb\u3064\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u969c\u5bb3\u306f\u3001\u5197\u9577\u30ea\u30f3\u30af\u3068\u5168\u30ce\u30fc\u30c9\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u30d1\u30b9\u76e3\u8996\u3067\u96a0\u853d\u3057\u3066\u3044\u308b\u3002.<\/p>\n\n<h2>Windows\u3068\u30af\u30e9\u30a6\u30c9\u74b0\u5883<\/h2>\n\n<p>Windows Server\u30af\u30e9\u30b9\u30bf\u3067\u306f\u3001\u79c1\u306f\u6b21\u306e\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u3044\u308b\u3002 <strong>\u30ea\u30bd\u30fc\u30b9<\/strong>, \u30d8\u30eb\u30b9\u30b5\u30fc\u30d3\u30b9\u3092\u4ecb\u3057\u3066\u3001\u30e1\u30e2\u30ea\u3084\u5f79\u5272\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f9d\u5b58\u95a2\u4fc2\u304c\u660e\u78ba\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u3001\u5bb9\u91cf\u304c\u7a7a\u3044\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u8d77\u52d5\u306b\u5931\u6557\u3059\u308b\u3002\u30af\u30e9\u30a6\u30c9\u3067\u306f\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u3001\u30dc\u30c7\u30a3\u306e\u4e00\u81f4\u306b\u57fa\u3065\u3044\u3066\u6c7a\u5b9a\u3059\u308b\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3002\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u306b\u306f\u3001Anycast-LB\u304bGeoDNS\u3092\u9078\u3073\u3001TTL\u3092\u53b3\u3057\u304f\u8a2d\u5b9a\u3059\u308b\u3002\u79c1\u306f\u3001\u30c7\u30fc\u30bf\u30d1\u30b9\u304c\u540c\u671f\u307e\u305f\u306f\u975e\u540c\u671f\u3067\u30df\u30e9\u30fc\u30ea\u30f3\u30b0\u3055\u308c\u305f\u7b2c2\u306e\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u5730\u57df\u7684\u306a\u5e72\u6e09\u3092\u906e\u65ad\u3059\u308b\u3002.<\/p>\n\n<h2>\u5b9f\u8df5\u7684\u306a\u8a2d\u5b9a\uff1aHAProxy\u306e\u30c1\u30a7\u30c3\u30af<\/h2>\n\n<p>\u30a6\u30a7\u30d6\u30b5\u30fc\u30d3\u30b9\u306b\u306f <strong>HTTP\u30c1\u30a7\u30c3\u30af<\/strong> \u3092\/health\u306b\u8ffd\u52a0\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30d0\u30eb\u5024\u3068\u30d5\u30a9\u30fc\u30eb\/\u30e9\u30a4\u30ba\u3057\u304d\u3044\u5024\u3092\u30af\u30ea\u30a2\u3059\u308b\u3002\u3053\u308c\u306f\u30d5\u30e9\u30c3\u30bf\u30fc\u3092\u6e1b\u3089\u3057\u3001\u78ba\u5b9f\u306b\u6b20\u9665\u30ce\u30fc\u30c9\u3092\u30d7\u30fc\u30eb\u304b\u3089\u6392\u9664\u3059\u308b\u3002\u79c1\u306fhealth\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306e\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3092\u6587\u66f8\u5316\u3057\u3001\u30c1\u30fc\u30e0\u304c\u660e\u78ba\u306b\u89e3\u91c8\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u3002\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u4e2d\u3001\u79c1\u306fDRAIN\u3067\u30b5\u30fc\u30d0\u3092\u8a2d\u5b9a\u3057\u3001\u5b9f\u884c\u4e2d\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u304d\u308c\u3044\u306b\u7d42\u4e86\u3055\u305b\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30ce\u30fc\u30c9\u3092\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3057\u3066\u3082\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306e\u4e00\u8cab\u6027\u304c\u4fdd\u305f\u308c\u307e\u3059\u3002.<\/p>\n\n<pre><code>\u30c7\u30d5\u30a9\u30eb\u30c8\n  \u30e2\u30fc\u30c9 http\n  \u30aa\u30d7\u30b7\u30e7\u30f3 httpchk GET \/health\n  \u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u63a5\u7d9a5\u79d2\n\n\u30d0\u30c3\u30af\u30a8\u30f3\u30c9api_servers\n  \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\n  \u30b5\u30fc\u30d0\u30fc s1 192.0.2.1:80 check inter 3000 fall 3 rise 2\n  \u30b5\u30fc\u30d0\u30fc s2 192.0.2.2:80 check inter 3000 fall 3 rise 2 \u30d0\u30c3\u30af\u30a2\u30c3\u30d7\n<\/code><\/pre>\n\n<h2>\u30de\u30eb\u30c1\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u8a2d\u8a08\u3068\u30c7\u30fc\u30bf\u30d1\u30b9<\/h2>\n\n<p>\u79c1\u306f\u6b21\u306e\u3053\u3068\u3092\u8a08\u753b\u3057\u3066\u3044\u308b\u3002 <strong>\u30b9\u30c8\u30ec\u30fc\u30b8<\/strong> \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30fb\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u540c\u671f\u578b\u3001\u8aad\u307f\u53d6\u308a\u96c6\u4e2d\u578b\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u306f\u975e\u540c\u671f\u578b\u3068\u3044\u3063\u305f\u5177\u5408\u3060\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30fb\u30b9\u30c8\u30ec\u30fc\u30b8\u306f\u9759\u7684\u8cc7\u7523\u306b\u9069\u3057\u3066\u304a\u308a\u3001\u30d6\u30ed\u30c3\u30af\u30fb\u30b9\u30c8\u30ec\u30fc\u30b8\u306fVM\u3084\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u9069\u3057\u3066\u3044\u308b\u3002\u660e\u78ba\u306a\u30ea\u30b9\u30bf\u30fc\u30c8\u8a08\u753b\u306f\u3001\u65b0\u3057\u3044\u30d7\u30e9\u30a4\u30de\u30ea\u30fb\u30ed\u30fc\u30eb\u306e\u5272\u308a\u5f53\u3066\u65b9\u6cd5\u3092\u5b9a\u7fa9\u3059\u308b\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30eb\u30fc\u30c8\u3068\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u5207\u308a\u66ff\u3048\u306e\u59a8\u3052\u306b\u306a\u3063\u3066\u306f\u306a\u3089\u306a\u3044\u3002\u30c7\u30fc\u30bf\u30d1\u30b9\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30eb\u30fc\u30eb\u304c\u9023\u52d5\u3057\u3066\u521d\u3081\u3066\u3001\u30af\u30ea\u30fc\u30f3\u306a\u5207\u308a\u66ff\u3048\u304c\u53ef\u80fd\u306b\u306a\u308b\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/03\/serverraum-failover-8723.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u5fd7\u5411\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30fb\u30d0\u30ea\u30e5\u30fc<\/h2>\n\n<p>\u6bd4\u8f03\u3059\u308b <strong>\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u6642\u9593<\/strong>, \u751f\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3088\u308a\u3082\u3001\u30c1\u30a7\u30c3\u30af\u306e\u6df1\u3055\u3068\u81ea\u52d5\u5316\u306e\u5ea6\u5408\u3044\u3002\u6c7a\u3081\u624b\u3068\u306a\u308b\u306e\u306f\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u3044\u304b\u306b\u65e9\u304f\u30a8\u30e9\u30fc\u3092\u8a8d\u8b58\u3057\u3001\u5207\u308a\u5206\u3051\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\u304b\u3060\u3002\u591a\u304f\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u5408\u8a08\u6642\u9593\u304c30\uff5e120\u79d2\u3067\u3042\u308c\u3070\u3001\u624b\u4f5c\u696d\u306b\u3088\u308b\u4ecb\u5165\u306b\u6bd4\u3079\u3066\u9855\u8457\u306a\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u3067\u306f\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u30dc\u30c7\u30a3\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u3092\u8a55\u4fa1\u3057\u3001\u771f\u306e\u6a5f\u80fd\u3092\u6e2c\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u8907\u6570\u306e\u30b5\u30a4\u30c8\u3067\u4e00\u8cab\u3057\u305f\u8a55\u4fa1\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u4e2d\u65ad\u3092\u771f\u306e\u30b5\u30fc\u30d3\u30b9\u505c\u6b62\u304b\u3089\u5207\u308a\u96e2\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n<table>\n  <thead>\n    <tr>\n      <th>\u30d7\u30ed\u30d0\u30a4\u30c0<\/th>\n      <th>\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u6642\u9593<\/th>\n      <th>\u5065\u5eb7\u30c1\u30a7\u30c3\u30af<\/th>\n      <th>\u9ad8\u53ef\u7528\u6027<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>webhoster.de<\/td>\n      <td><strong>30\uff5e120\u79d2<\/strong><\/td>\n      <td>HTTP\u3001TCP\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u3001\u30dc\u30c7\u30a3<\/td>\n      <td>\u81ea\u52d5\u5207\u308a\u66ff\u3048\u6a5f\u80fd\u4ed8\u304d\u30af\u30e9\u30b9\u30bf\u30fc<\/td>\n    <\/tr>\n    <tr>\n      <td>\u305d\u306e\u4ed6<\/td>\n      <td>\u5909\u6570<\/td>\n      <td>\u4e00\u90e8\u7e2e\u5c0f<\/td>\n      <td>\u6a19\u6e96\u6a5f\u80fd<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n<h2>\u30ec\u30c7\u30a3\u30cd\u30b9\u3001\u30e9\u30a4\u30d6\u30cd\u30b9\u3001\u30b9\u30bf\u30fc\u30c8\u30a2\u30c3\u30d7\u30fb\u30d7\u30ed\u30fc\u30d6\u306e\u6b63\u3057\u3044\u4f7f\u7528<\/h2>\n\n<p>\u79c1\u306f\u6b21\u306e\u3088\u3046\u306b\u533a\u5225\u3057\u3066\u3044\u308b\u3002 <strong>\u6d3b\u6c17<\/strong> (\u30d7\u30ed\u30bb\u30b9\u306f\u751f\u304d\u3066\u3044\u308b\u304b\uff1f\uff09, <strong>\u6e96\u5099<\/strong> (\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u51e6\u7406\u3067\u304d\u308b\u304b\uff09\u3068 <strong>\u30b9\u30bf\u30fc\u30c8\u30a2\u30c3\u30d7<\/strong> (\u5b8c\u5168\u306b\u521d\u671f\u5316\u3055\u308c\u3066\u3044\u308b\u304b\uff09\u3002\u30be\u30f3\u30d3\u30d7\u30ed\u30bb\u30b9\u3092\u9632\u304e\u3001\u4e0d\u826f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u30d7\u30fc\u30eb\u304b\u3089\u6392\u9664\u3057\u3001\u9577\u3044\u30d6\u30fc\u30c8\u30d5\u30a7\u30fc\u30ba\u3067\u306e\u65e9\u671f\u518d\u8d77\u52d5\u3092\u9632\u3050\u3002\u30b3\u30f3\u30c6\u30ca\u74b0\u5883\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u30c1\u30a7\u30c3\u30af\u3092\u500b\u5225\u306b\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u3001\u30b5\u30fc\u30d3\u30b9\u304c\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u304c\u3001\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u306b\u8868\u793a\u3055\u308c\u308b\u306e\u306f\u521d\u671f\u5316\u306b\u6210\u529f\u3057\u305f\u5f8c\u3060\u3002\u30e2\u30ce\u30ea\u30b7\u30c3\u30af\u306a\u30b7\u30b9\u30c6\u30e0\u306e\u5834\u5408\u3001\/health\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306b\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3092\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u3001\u4f8b\u3048\u3070degraded\u3084maintenance\u306e\u3088\u3046\u306a\u90e8\u5206\u7684\u306a\u72b6\u614b\u3092LB\u304c\u89e3\u91c8\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002.<\/p>\n\n<h2>\u6761\u4ef6\u4ed8\u304d\u30b5\u30fc\u30d3\u30b9\u3068\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/h2>\n\n<p>\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u306a\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u306b\u306f\u3001\u7279\u5225\u306a\u6ce8\u610f\u304c\u5fc5\u8981\u3060\u3002\u79c1\u306f\u3001\u30ea\u30fc\u30c0\u30fc\u306e\u9078\u629e\u3092\uff08\u7d71\u5408\u3055\u308c\u305f\u30b3\u30f3\u30bb\u30f3\u30b5\u30b9\u30e1\u30ab\u30cb\u30ba\u30e0\u306a\u3069\u3092\u4ecb\u3057\u3066\uff09\u30af\u30ea\u30fc\u30f3\u306b\u8a08\u753b\u3057\u3001\u53e4\u3044\u30ea\u30fc\u30c0\u30fc\u306e\u30d5\u30a7\u30f3\u30b7\u30f3\u30b0\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u4fdd\u5b58\u3057\u3001\u305d\u308c\u3089\u3092\u533a\u5225\u3059\u308b\u3002 <strong>\u540c\u671f<\/strong> \u304b\u3089 <strong>\u975e\u540c\u671f<\/strong> RPO\/RTO\u306b\u5f93\u3063\u305f\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3002\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u6642\u306b\u306f\u3001\u30ea\u30fc\u30c9\u30ec\u30d7\u30ea\u30ab\u3092\u6607\u683c\u3055\u305b\u308b\u304b\u3001\u5171\u6709\u30d6\u30ed\u30c3\u30af\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u518d\u30de\u30a6\u30f3\u30c8\u3059\u308b\u304b\u3092\u8a55\u4fa1\u3059\u308b\u3002\u30e9\u30a4\u30c8\u30a2\u30d8\u30c3\u30c9\u30fb\u30ed\u30b0\u3001\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u30fb\u30c1\u30a7\u30fc\u30f3\u3001\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30fb\u30e9\u30b0\u306f\u305d\u306e\u5224\u65ad\u306b\u542b\u307e\u308c\u308b\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u3067\u306f\u3001TCP\u30dd\u30fc\u30c8\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u8efd\u3044\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u306b\u4e0d\u5fc5\u8981\u306a\u8ca0\u62c5\u3092\u304b\u3051\u308b\u3053\u3068\u306a\u304f\u3001\u672c\u7269\u306e\u8aad\u307f\u66f8\u304d\u6a5f\u80fd\u3092\u691c\u8a3c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u3002.<\/p>\n\n<h2>\u30bb\u30c3\u30b7\u30e7\u30f3\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13<\/h2>\n\n<p>\u30c7\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0 <strong>\u30bb\u30c3\u30b7\u30e7\u30f3\u30c7\u30fc\u30bf<\/strong> \u30a2\u30d7\u30ea\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304b\u3089\u79c1\u306f\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9\u306e\u30c8\u30fc\u30af\u30f3\u306b\u4f9d\u5b58\u3059\u308b\u304b\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u3092Redis\/SQL\u306b\u30a2\u30a6\u30c8\u30bd\u30fc\u30b9\u3057\u3066\u3044\u308b\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u30b9\u30c6\u30a3\u30c3\u30ad\u30fc\u306a\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u5f37\u3044\u308b\u3053\u3068\u306a\u304f\u3001\u5207\u308a\u66ff\u3048\u3092\u900f\u904e\u7684\u306b\u4fdd\u3064\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u8a08\u753b\u7684\u306a\u5207\u308a\u66ff\u3048\u306e\u524d\u306b\u306f\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30a6\u30a9\u30fc\u30e0\u30a2\u30c3\u30d7\u3001\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30ad\u30fc\u306e\u540c\u671f\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u7d5e\u3063\u305f\u6bb5\u968e\u7684\u306a\u30ed\u30fc\u30eb\u30a2\u30a6\u30c8\u3092\u884c\u3044\u3001\u65b0\u3057\u3044\u30d7\u30e9\u30a4\u30de\u30ea\u304c\u30b3\u30fc\u30eb\u30c9\u30b9\u30bf\u30fc\u30c8\u3068\u306a\u3089\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3002LB\u3067\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u306e\u67af\u6e07\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3001\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6\u5024\u306f\u540c\u671f\u3055\u308c\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u4e2d\u65ad\u3092\u7d4c\u9a13\u3059\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n<h2>\u512a\u96c5\u306a\u52a3\u5316\u3068\u56de\u5fa9\u529b\u30d1\u30bf\u30fc\u30f3<\/h2>\n\n<p>\u79c1\u304c\u4f5c\u308b <strong>\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc<\/strong>, \u30ab\u30b9\u30b1\u30fc\u30c9\u52b9\u679c\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u30b8\u30c3\u30bf\u30fc\u3092\u4f7f\u3063\u305f\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3068\u30ea\u30c8\u30e9\u30a4\u3092\u884c\u3046\u3002\u30c0\u30a6\u30f3\u30b9\u30c8\u30ea\u30fc\u30e0\u304c\u5931\u6557\u3057\u305f\u5834\u5408\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u30c7\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\uff08\u30ad\u30e3\u30c3\u30b7\u30e5\u30b3\u30f3\u30c6\u30f3\u30c4\u3001\u7c21\u6613\u691c\u7d22\u3001\u975e\u540c\u671f\u30ad\u30e5\u30fc\u306a\u3069\uff09\u306b\u5207\u308a\u66ff\u308f\u308b\u3002Idempotence Key\u306b\u3088\u308a\u3001\u518d\u8a66\u884c\u6642\u306e\u30c0\u30d6\u30eb\u30d6\u30c3\u30ad\u30f3\u30b0\u3092\u9632\u6b62\u3002\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u306f\u8ca0\u8377\u306e\u7f60\u306b\u306a\u3089\u306a\u3044\u3088\u3046\u306b\u3001\u30ce\u30fc\u30c9\u3054\u3068\u306b\u983b\u5ea6\u3092\u5236\u9650\u3057\u3001\u7d50\u679c\u3092\u77ed\u6642\u9593\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3001\u305d\u306e\u8a55\u4fa1\u3092\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u30d1\u30b9\u304b\u3089\u5207\u308a\u96e2\u3057\u307e\u3059\u3002.<\/p>\n\n<h2>\u30aa\u30fc\u30c8\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u3001\u5bb9\u91cf\u3001\u30a6\u30a9\u30fc\u30e0\u30b9\u30bf\u30fc\u30c8<\/h2>\n\n<p>\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u304c\u6a5f\u80fd\u3059\u308b\u306e\u306f <strong>\u30ad\u30e3\u30d1\u30b7\u30c6\u30a3\u30fb\u30ea\u30b6\u30fc\u30d6<\/strong> \u304c\u5229\u7528\u3067\u304d\u308b\u3002\u30d8\u30c3\u30c9\u30eb\u30fc\u30e0\uff08\u4f8b\u3048\u307020-30 %\uff09\u3092\u7dad\u6301\u3057\u3001\u30a6\u30a9\u30fc\u30e0\u30d7\u30fc\u30eb\u3084\u4e88\u71b1\u30b3\u30f3\u30c6\u30ca\u3092\u4f7f\u7528\u3057\u3001\u30af\u30fc\u30eb\u30c0\u30a6\u30f3\u3092\u4f34\u3046\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u30dd\u30ea\u30b7\u30fc\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u30c7\u30d7\u30ed\u30a4\u306b\u3064\u3044\u3066\u306f\u3001\u30ed\u30fc\u30ea\u30f3\u30b0\u3084\u30d6\u30eb\u30fc\/\u30b0\u30ea\u30fc\u30f3\u6226\u7565\uff08maxSurge\/maxUnavailable\uff09\u3092\u901a\u3058\u3066\u30ad\u30e3\u30d1\u30b7\u30c6\u30a3\u30fb\u30c7\u30a3\u30c3\u30d7\u3092\u9632\u304e\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u610f\u56f3\u3057\u306a\u3044\u505c\u6b62\u306b\u3064\u306a\u304c\u3089\u306a\u3044\u3088\u3046\u306b\u30dd\u30c3\u30c9\u4e2d\u65ad\u30d0\u30b8\u30a7\u30c3\u30c8\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002CPU\u5024\u3060\u3051\u3067\u306a\u304f\u3001\u30ea\u30af\u30a8\u30b9\u30c8\/\u79d2\u3001P95\u30ec\u30a4\u30c6\u30f3\u30b7\u3001\u30ad\u30e5\u30fc\u306e\u9577\u3055\u306a\u3069\u306e\u30e1\u30c8\u30ea\u30af\u30b9\u304c\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u306e\u30c8\u30ea\u30ac\u30fc\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n<h2>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\uff1aVRRP\u3001BGP\u3001\u30a8\u30cb\u30fc\u30ad\u30e3\u30b9\u30c8<\/h2>\n\n<p>DNS\u306b\u52a0\u3048\u3066\u3001\u79c1\u306f <strong>VRRP\/\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6<\/strong> \u30ec\u30a4\u30e43\u306e\u30d0\u30fc\u30c1\u30e3\u30ebIP\u3084BGP\/ECMP\u306e\u9ad8\u901f\u306a\u30ea\u30eb\u30fc\u30c8\u306e\u305f\u3081\u306b\u3002\u30a8\u30cb\u30fc\u30ad\u30e3\u30b9\u30c8LB\u306f\u5f85\u3061\u6642\u9593\u3092\u6e1b\u3089\u3057\u3001\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u30a8\u30e9\u30fc\u3092\u5206\u96e2\u3059\u308b\u3002DNS\u306b\u3064\u3044\u3066\u306f\u3001\u30ea\u30be\u30eb\u30d0\u306e\u52d5\u4f5c\u3001\u30cd\u30ac\u30c6\u30a3\u30d6\u30ad\u30e3\u30c3\u30b7\u30e5\u3001TTL\u306e\u5c0a\u91cd\u3092\u8003\u616e\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001DNS\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u3068LB\u306e\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u3092\u7d44\u307f\u5408\u308f\u305b\u3001\u4f4e\u901f\u306a\u30ea\u30be\u30eb\u30d0\u3067\u3082\u30b7\u30f3\u30b0\u30eb\u30dd\u30a4\u30f3\u30c8\u306b\u306a\u3089\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u3002.<\/p>\n\n<h2>Kubernetes\u3068\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u5074\u9762<\/h2>\n\n<p>\u30b3\u30f3\u30c6\u30ca\u30fb\u30af\u30e9\u30b9\u30bf\u3067\u306f\u3001\u6d3b\u6c17\uff0f\u6e96\u5099\uff0f\u8d77\u52d5\u30d7\u30ed\u30fc\u30d6\u3001\u30dd\u30c3\u30c9\u306e\u512a\u5148\u9806\u4f4d\u3001\u30a2\u30d5\u30a3\u30cb\u30c6\u30a3\u30fb\u30eb\u30fc\u30eb\u3092\u8ffd\u52a0\u3057\u3066\u3044\u308b\u3002\u30ce\u30fc\u30c9\u30c9\u30ec\u30a4\u30f3\u306f\u30a4\u30f3\u30b0\u30ec\u30b9\u3068\u9023\u643a\u3057\u3066\u5b9f\u884c\u3057\u3001\u63a5\u7d9a\u304c\u304d\u308c\u3044\u306b\u7d42\u4e86\u3059\u308b\u3088\u3046\u306b\u3059\u308b\u3002\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u30fb\u30bb\u30c3\u30c8\u306b\u3064\u3044\u3066\u306f\u3001\u30dd\u30c3\u30c9\u7ba1\u7406\u30dd\u30ea\u30b7\u30fc\u3092\u5b9a\u7fa9\u3057\u3001\u7af6\u5408\u72b6\u614b\u306b\u5bfe\u3057\u3066\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u30a2\u30bf\u30c3\u30c1\u30e1\u30f3\u30c8\u3092\u4fdd\u8b77\u3059\u308b\u3002\u5dee\u5225\u5316\u3055\u308c\u305f\u30d7\u30ed\u30fc\u30d6\u306e\u4f8b\uff1a<\/p>\n\n<pre><code>apiVersion: apps\/v1\n\u7a2e\u985e: \u30c7\u30d7\u30ed\u30a4\u30e1\u30f3\u30c8\nspec\uff1a\n  \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\n    spec\uff1a\n      \u30b3\u30f3\u30c6\u30ca\n      - \u540d\u524d: api\n        image: example\/api:latest\n        startupProbe\uff1a\n          httpGet\uff1a{\u30d1\u30b9\uff1a\/health\/startup\u3001\u30dd\u30fc\u30c8\uff1a8080 }\u3002\n          failureThreshold: 30\n          periodSeconds: 2\n        livenessProbe\uff1a\n          httpGet\uff1a{\u30d1\u30b9\uff1a\/health\/live\u3001\u30dd\u30fc\u30c8\uff1a8080 }\u3002\n          periodSeconds: 10\n          timeoutSeconds: 2\n        readinessProbe\uff1a\n          httpGet\uff1a{\u30d1\u30b9\uff1a\/health\/ready\u3001\u30dd\u30fc\u30c8\uff1a8080 }\u3002\n          periodSeconds: 5\n          \u5931\u6557\u3057\u304d\u3044\u5024\uff1a 3\n<\/code><\/pre>\n\n<h2>\u5065\u5eb7\u8a3a\u65ad\u306e\u5b89\u5168\u6027<\/h2>\n\n<p>\u30d8\u30eb\u30b9\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u3044\u304b\u306a\u308b\u6a5f\u5bc6\u4e8b\u9805\u3082\u660e\u304b\u3057\u3066\u306f\u306a\u3089\u306a\u3044\u3002\u652f\u51fa\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u5185\u90e8\u7d4c\u8def\u3092\u30d6\u30e9\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u5316\u3057\u3001\u516c\u958b\u6e96\u5099\u3068\u5185\u90e8\u30c7\u30a3\u30fc\u30d7\u30c1\u30a7\u30c3\u30af\u3092\u533a\u5225\u3059\u308b\u3002\u30ec\u30fc\u30c8\u5236\u9650\u3068\u72ec\u7acb\u3057\u305f\u7ba1\u7406\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u60aa\u7528\u3092\u9632\u3050\u3002TLS\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u3067\u306f\u3001\u81ea\u52d5\u5316\u3055\u308c\u305f\u8a3c\u660e\u66f8\u306e\u30d7\u30ed\u30d3\u30b8\u30e7\u30cb\u30f3\u30b0\u3068\u9375\u306e\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3057\u3001\u8b66\u544a\u304c\u767a\u884c\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u3002\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u3057\u3066\u3001\u30c8\u30fc\u30af\u30f3\u3067\u30c1\u30a7\u30c3\u30af\u306b\u7f72\u540d\u3057\u305f\u308a\u3001LB\u30c1\u30a7\u30c3\u30af\u3092\u59a8\u3052\u306a\u3044\u3088\u3046\u306bIP-ACL\u3067\u5236\u9650\u3057\u305f\u308a\u3057\u3066\u3044\u308b\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/03\/server-checks-desk-4712.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30d5\u30a7\u30a4\u30eb\u30d0\u30c3\u30af\u3068\u30d7\u30e9\u30a4\u30de\u30ea\u30fc\u3078\u306e\u5fa9\u5e30<\/h2>\n\n<p>\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u306b\u6210\u529f\u3057\u305f\u5f8c\u3001\u79c1\u306f\u3059\u3050\u306b\u306f <strong>\u30d5\u30a7\u30a4\u30eb\u30d0\u30c3\u30af<\/strong>. .\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u8ffd\u3044\u3064\u304f\u307e\u3067\u306e\u9593\u3001\u30db\u30fc\u30eb\u30c9\u30c0\u30a6\u30f3\u30fb\u30bf\u30a4\u30de\u30fc\u3067\u5b89\u5b9a\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3002\u30ed\u30b0\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u3001\u30a8\u30e9\u30fc\u7387\u304b\u3089\u554f\u984c\u304c\u306a\u3044\u3068\u5224\u65ad\u3055\u308c\u305f\u5834\u5408\u306e\u307f\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u5207\u308a\u66ff\u3048\u307e\u3059\u3002LB\u304c\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u30ad\u30e3\u30f3\u30bb\u30eb\u3059\u308b\u306e\u306f\u3001\u30d7\u30e9\u30a4\u30de\u30ea\u304c\u6301\u7d9a\u7684\u306b\u5065\u5168\u3067\u3042\u308b\u3053\u3068\u304c\u8a3c\u660e\u3055\u308c\u305f\u3068\u304d\u3060\u3051\u3060\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u30d4\u30f3\u30dd\u30f3\u3084\u4e0d\u5fc5\u8981\u306a\u9867\u5ba2\u306e\u5f71\u97ff\u3092\u907f\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002.<\/p>\n\n<h2>SLO\u3001\u30a8\u30e9\u30fc\u30d0\u30b8\u30a7\u30c3\u30c8\u3001\u30ab\u30aa\u30b9\u30c6\u30b9\u30c8<\/h2>\n\n<p>\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u30fb\u30c7\u30b6\u30a4\u30f3\u3092\u63a5\u7d9a\u3059\u308b <strong>SLI\/\u30b9\u30ed\u30fc<\/strong> (\u4f8b\u3048\u307030\u65e5\u9593\u306799.9 %\uff09\u3001\u30a8\u30e9\u30fc\u30d0\u30b8\u30a7\u30c3\u30c8\u3092\u610f\u8b58\u7684\u306b\u7ba1\u7406\u3059\u308b\u3002\u30b2\u30fc\u30e0\u30fb\u30c7\u30a4\u3084\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u3057\u305f\u30ab\u30aa\u30b9\u5b9f\u9a13\uff08\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5207\u65ad\u3001\u30e1\u30e2\u30ea\u969c\u5bb3\u3001\u30d5\u30eb\u30c7\u30a3\u30b9\u30af\uff09\u306b\u3088\u308a\u3001\u3057\u304d\u3044\u5024\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3001\u30a2\u30e9\u30fc\u30c8\u304c\u73fe\u5b9f\u7684\u304b\u3069\u3046\u304b\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u5e73\u5747\u691c\u51fa\/\u56de\u5fa9\u6642\u9593\uff08MTTD\/MTTR\uff09\u306a\u3069\u306e\u30e1\u30c8\u30ea\u30af\u30b9\u3092\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306b\u8a18\u9332\u3057\u3001\u30c7\u30fc\u30bf\u306b\u57fa\u3065\u3044\u3066\u6700\u9069\u5316\u306e\u512a\u5148\u9806\u4f4d\u3092\u6c7a\u3081\u308b\u305f\u3081\u306b\u3001\u76ee\u6a19\u3068\u3059\u308b30\uff5e120\u79d2\u3068\u6bd4\u8f03\u3057\u307e\u3059\u3002.<\/p>\n\n<h2>\u30e9\u30f3\u30d6\u30c3\u30af\u3001\u6240\u6709\u6a29\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9<\/h2>\n\n<p>\u79c1\u306f\u3001\u30d0\u30c3\u30af\u30a2\u30a6\u30c8\u30d7\u30e9\u30f3\u3092\u542b\u3081\u3001\u691c\u77e5\u304b\u3089\u5207\u308a\u66ff\u3048\u307e\u3067\u306e\u30e9\u30f3\u30d6\u30c3\u30af\u3092\u6587\u66f8\u5316\u3057\u3066\u3044\u307e\u3059\u3002\u30aa\u30f3\u30b3\u30fc\u30eb\u30fb\u30c1\u30fc\u30e0\u306f\u3001\u660e\u78ba\u306a\u30a8\u30b9\u30ab\u30ec\u30fc\u30b7\u30e7\u30f3\u30fb\u30d1\u30b9\u3068\u8a3a\u65ad\u30c4\u30fc\u30eb\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3001\u30ea\u30b9\u30c8\u30a2\u30c6\u30b9\u30c8\u3001\u6cd5\u7684\u8981\u4ef6\uff08\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u6697\u53f7\u5316\uff09\u3092\u8a2d\u8a08\u306b\u7d44\u307f\u8fbc\u307f\u3001\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u304c\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306b\u9055\u53cd\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u767a\u751f\u5f8c\u306f\u3001\u8cac\u4efb\u306e\u6240\u5728\u3092\u660e\u3089\u304b\u306b\u3059\u308b\u3053\u3068\u306a\u304f\u4e8b\u5f8c\u5831\u544a\u3092\u884c\u3044\u3001\u95be\u5024\u3092\u66f4\u65b0\u3057\u3001\u30c6\u30b9\u30c8\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002.<\/p>\n\n<h2>\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068<\/h2>\n\n<p>\u4e00\u8cab\u6027 <strong>\u5065\u5eb7\u30c1\u30a7\u30c3\u30af<\/strong> \u307e\u305f\u3001\u30af\u30ea\u30fc\u30f3\u306a\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u8a2d\u8a08\u306b\u3088\u308a\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3084\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3067\u3082\u3001\u30b5\u30fc\u30d3\u30b9\u3092\u30aa\u30f3\u30e9\u30a4\u30f3\u306b\u4fdd\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u79c1\u306f\u3001\u5207\u308a\u66ff\u3048\u304c\u78ba\u5b9f\u304b\u3064\u8fc5\u901f\u306b\u884c\u308f\u308c\u308b\u3088\u3046\u306b\u3001\u660e\u78ba\u306a\u3057\u304d\u3044\u5024\u3001\u30d5\u30a7\u30f3\u30b7\u30f3\u30b0\u3001\u77ed\u3044TTL\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002DNS\u3068\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u306f\u3001\u30b7\u30ca\u30ea\u30aa\u306b\u5fdc\u3058\u3066\u3088\u308a\u826f\u3044\u5236\u5fa1\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u3001\u304a\u4e92\u3044\u3092\u88dc\u5b8c\u3057\u5408\u3044\u307e\u3059\u3002\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3001\u30c6\u30b9\u30c8\u3001\u6587\u66f8\u5316\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u6c17\u3065\u304f\u524d\u306b\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u308b\u3002\u3053\u308c\u3089\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5de7\u307f\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u904b\u7528\u4e0a\u306e\u4e0d\u6e2c\u306e\u4e8b\u614b\u3092\u62db\u304f\u3053\u3068\u306a\u304f\u3001\u9ad8\u3044\u53ef\u7528\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u30b5\u30fc\u30d0\u30fc\u306e\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u3068\u81ea\u52d5\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u304c\u9ad8\u53ef\u7528\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u30d5\u30a7\u30a4\u30eb\u30bb\u30fc\u30d5\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u306e\u30c8\u30c3\u30d7\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002.<\/p>","protected":false},"author":1,"featured_media":18201,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_crdt_document":"","inline_featured_image":false,"footnotes":""},"categories":[676],"tags":[],"class_list":["post-18208","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server_vm"],"acf":[],"_wp_attached_file":null,"_wp_attachment_metadata":null,"litespeed-optimize-size":null,"litespeed-optimize-set":null,"_elementor_source_image_hash":null,"_wp_attachment_image_alt":null,"stockpack_author_name":null,"stockpack_author_url":null,"stockpack_provider":null,"stockpack_image_url":null,"stockpack_license":null,"stockpack_license_url":null,"stockpack_modification":null,"color":null,"original_id":null,"original_url":null,"original_link":null,"unsplash_location":null,"unsplash_sponsor":null,"unsplash_exif":null,"unsplash_attachment_metadata":null,"_elementor_is_screenshot":null,"surfer_file_name":null,"surfer_file_original_url":null,"envato_tk_source_kit":null,"envato_tk_source_index":null,"envato_tk_manifest":null,"envato_tk_folder_name":null,"envato_tk_builder":null,"envato_elements_download_event":null,"_menu_item_type":null,"_menu_item_menu_item_parent":null,"_menu_item_object_id":null,"_menu_item_object":null,"_menu_item_target":null,"_menu_item_classes":null,"_menu_item_xfn":null,"_menu_item_url":null,"_trp_menu_languages":null,"rank_math_primary_category":null,"rank_math_title":null,"inline_featured_image":null,"_yoast_wpseo_primary_category":null,"rank_math_schema_blogposting":null,"rank_math_schema_videoobject":null,"_oembed_049c719bc4a9f89deaead66a7da9fddc":null,"_oembed_time_049c719bc4a9f89deaead66a7da9fddc":null,"_yoast_wpseo_focuskw":null,"_yoast_wpseo_linkdex":null,"_oembed_27e3473bf8bec795fbeb3a9d38489348":null,"_oembed_c3b0f6959478faf92a1f343d8f96b19e":null,"_trp_translated_slug_en_us":null,"_wp_desired_post_slug":null,"_yoast_wpseo_title":null,"tldname":null,"tldpreis":null,"tldrubrik":null,"tldpolicylink":null,"tldsize":null,"tldregistrierungsdauer":null,"tldtransfer":null,"tldwhoisprivacy":null,"tldregistrarchange":null,"tldregistrantchange":null,"tldwhoisupdate":null,"tldnameserverupdate":null,"tlddeletesofort":null,"tlddeleteexpire":null,"tldumlaute":null,"tldrestore":null,"tldsubcategory":null,"tldbildname":null,"tldbildurl":null,"tldclean":null,"tldcategory":null,"tldpolicy":null,"tldbesonderheiten":null,"tld_bedeutung":null,"_oembed_d167040d816d8f94c072940c8009f5f8":null,"_oembed_b0a0fa59ef14f8870da2c63f2027d064":null,"_oembed_4792fa4dfb2a8f09ab950a73b7f313ba":null,"_oembed_33ceb1fe54a8ab775d9410abf699878d":null,"_oembed_fd7014d14d919b45ec004937c0db9335":null,"_oembed_21a029d076783ec3e8042698c351bd7e":null,"_oembed_be5ea8a0c7b18e658f08cc571a909452":null,"_oembed_a9ca7a298b19f9b48ec5914e010294d2":null,"_oembed_f8db6b27d08a2bb1f920e7647808899a":null,"_oembed_168ebde5096e77d8a89326519af9e022":null,"_oembed_cdb76f1b345b42743edfe25481b6f98f":null,"_oembed_87b0613611ae54e86e8864265404b0a1":null,"_oembed_27aa0e5cf3f1bb4bc416a4641a5ac273":null,"_oembed_time_27aa0e5cf3f1bb4bc416a4641a5ac273":null,"_tldname":null,"_tldclean":null,"_tldpreis":null,"_tldcategory":null,"_tldsubcategory":null,"_tldpolicy":null,"_tldpolicylink":null,"_tldsize":null,"_tldregistrierungsdauer":null,"_tldtransfer":null,"_tldwhoisprivacy":null,"_tldregistrarchange":null,"_tldregistrantchange":null,"_tldwhoisupdate":null,"_tldnameserverupdate":null,"_tlddeletesofort":null,"_tlddeleteexpire":null,"_tldumlaute":null,"_tldrestore":null,"_tldbildname":null,"_tldbildurl":null,"_tld_bedeutung":null,"_tldbesonderheiten":null,"_oembed_ad96e4112edb9f8ffa35731d4098bc6b":null,"_oembed_8357e2b8a2575c74ed5978f262a10126":null,"_oembed_3d5fea5103dd0d22ec5d6a33eff7f863":null,"_eael_widget_elements":null,"_oembed_0d8a206f09633e3d62b95a15a4dd0487":null,"_oembed_time_0d8a206f09633e3d62b95a15a4dd0487":null,"_aioseo_description":null,"_eb_attr":null,"_eb_data_table":null,"_oembed_819a879e7da16dd629cfd15a97334c8a":null,"_oembed_time_819a879e7da16dd629cfd15a97334c8a":null,"_acf_changed":null,"_wpcode_auto_insert":null,"_edit_last":null,"_edit_lock":null,"_oembed_e7b913c6c84084ed9702cb4feb012ddd":null,"_oembed_bfde9e10f59a17b85fc8917fa7edf782":null,"_oembed_time_bfde9e10f59a17b85fc8917fa7edf782":null,"_oembed_03514b67990db061d7c4672de26dc514":null,"_oembed_time_03514b67990db061d7c4672de26dc514":null,"rank_math_news_sitemap_robots":null,"rank_math_robots":null,"_eael_post_view_count":"1058","_trp_automatically_translated_slug_ru_ru":null,"_trp_automatically_translated_slug_et":null,"_trp_automatically_translated_slug_lv":null,"_trp_automatically_translated_slug_fr_fr":null,"_trp_automatically_translated_slug_en_us":null,"_wp_old_slug":null,"_trp_automatically_translated_slug_da_dk":null,"_trp_automatically_translated_slug_pl_pl":null,"_trp_automatically_translated_slug_es_es":null,"_trp_automatically_translated_slug_hu_hu":null,"_trp_automatically_translated_slug_fi":null,"_trp_automatically_translated_slug_ja":null,"_trp_automatically_translated_slug_lt_lt":null,"_elementor_edit_mode":null,"_elementor_template_type":null,"_elementor_version":null,"_elementor_pro_version":null,"_wp_page_template":null,"_elementor_page_settings":null,"_elementor_data":null,"_elementor_css":null,"_elementor_conditions":null,"_happyaddons_elements_cache":null,"_oembed_75446120c39305f0da0ccd147f6de9cb":null,"_oembed_time_75446120c39305f0da0ccd147f6de9cb":null,"_oembed_3efb2c3e76a18143e7207993a2a6939a":null,"_oembed_time_3efb2c3e76a18143e7207993a2a6939a":null,"_oembed_59808117857ddf57e478a31d79f76e4d":null,"_oembed_time_59808117857ddf57e478a31d79f76e4d":null,"_oembed_965c5b49aa8d22ce37dfb3bde0268600":null,"_oembed_time_965c5b49aa8d22ce37dfb3bde0268600":null,"_oembed_81002f7ee3604f645db4ebcfd1912acf":null,"_oembed_time_81002f7ee3604f645db4ebcfd1912acf":null,"_elementor_screenshot":null,"_oembed_7ea3429961cf98fa85da9747683af827":null,"_oembed_time_7ea3429961cf98fa85da9747683af827":null,"_elementor_controls_usage":null,"_elementor_page_assets":[],"_elementor_screenshot_failed":null,"theplus_transient_widgets":null,"_eael_custom_js":null,"_wp_old_date":null,"_trp_automatically_translated_slug_it_it":null,"_trp_automatically_translated_slug_pt_pt":null,"_trp_automatically_translated_slug_zh_cn":null,"_trp_automatically_translated_slug_nl_nl":null,"_trp_automatically_translated_slug_pt_br":null,"_trp_automatically_translated_slug_sv_se":null,"rank_math_analytic_object_id":null,"rank_math_internal_links_processed":"1","_trp_automatically_translated_slug_ro_ro":null,"_trp_automatically_translated_slug_sk_sk":null,"_trp_automatically_translated_slug_bg_bg":null,"_trp_automatically_translated_slug_sl_si":null,"litespeed_vpi_list":null,"litespeed_vpi_list_mobile":null,"rank_math_seo_score":null,"rank_math_contentai_score":null,"ilj_limitincominglinks":null,"ilj_maxincominglinks":null,"ilj_limitoutgoinglinks":null,"ilj_maxoutgoinglinks":null,"ilj_limitlinksperparagraph":null,"ilj_linksperparagraph":null,"ilj_blacklistdefinition":null,"ilj_linkdefinition":null,"_eb_reusable_block_ids":null,"rank_math_focus_keyword":"Health Checks Failover","rank_math_og_content_image":null,"_yoast_wpseo_metadesc":null,"_yoast_wpseo_content_score":null,"_yoast_wpseo_focuskeywords":null,"_yoast_wpseo_keywordsynonyms":null,"_yoast_wpseo_estimated-reading-time-minutes":null,"rank_math_description":null,"surfer_last_post_update":null,"surfer_last_post_update_direction":null,"surfer_keywords":null,"surfer_location":null,"surfer_draft_id":null,"surfer_permalink_hash":null,"surfer_scrape_ready":null,"_thumbnail_id":"18201","footnotes":null,"_links":{"self":[{"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/posts\/18208","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/comments?post=18208"}],"version-history":[{"count":0,"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/posts\/18208\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/media\/18201"}],"wp:attachment":[{"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/media?parent=18208"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/categories?post=18208"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/tags?post=18208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}