{"id":32995,"date":"2026-09-03T10:00:00","date_gmt":"2026-09-03T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=32995"},"modified":"2026-09-08T10:27:35","modified_gmt":"2026-09-08T02:27:35","slug":"chrony-timesource-redundancy-failover-config","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/chrony-timesource-redundancy-failover-config\/","title":{"rendered":"chrony \u65f6\u95f4\u6e90\u5197\u4f59\u914d\u7f6e\uff1a\u591a\u8282\u70b9\u96c6\u7fa4\u81ea\u52a8\u5207\u6362\u4e0e\u65f6\u95f4\u4e00\u81f4\u6027"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/server-ntp-chrony-deploy-clock-drift-troubleshooting-cover.webp\" alt=\"chrony \u65f6\u95f4\u6e90\u5197\u4f59\u914d\u7f6e\u5c01\u9762\u56fe\uff0c\u5c55\u793a\u591a\u65f6\u95f4\u6e90\u4e0e\u670d\u52a1\u5668\u81ea\u52a8\u5207\u6362\u5173\u7cfb\" loading=\"lazy\" \/><\/p>\n<h2>\u4e3a\u4ec0\u4e48\u65f6\u95f4\u6e90\u5197\u4f59\u5982\u6b64\u91cd\u8981<\/h2>\n<p>\u5355\u70b9\u65f6\u95f4\u6e90\u662f\u96c6\u7fa4\u8fd0\u7ef4\u91cc\u4e00\u4e2a\u9690\u853d\u7684\u8106\u5f31\u70b9\u3002\u5f53\u552f\u4e00\u7684\u65f6\u95f4\u670d\u52a1\u5668\u6545\u969c\u6216\u7f51\u7edc\u4e2d\u65ad\uff0c\u96c6\u7fa4\u5185\u6240\u6709\u8282\u70b9\u4f1a\u9010\u6e10\u5931\u53bb\u7edf\u4e00\u7684\u65f6\u95f4\u57fa\u51c6\uff0c\u65e5\u5fd7\u8de8\u8282\u70b9\u5bf9\u4e0d\u4e0a\u3001\u5206\u5e03\u5f0f\u4e8b\u52a1\u65f6\u95f4\u6233\u9519\u4e71\u3001\u8bc1\u4e66\u6821\u9a8c\u5728\u90e8\u5206\u8282\u70b9\u5931\u8d25\uff0c\u95ee\u9898\u4f1a\u50cf\u591a\u7c73\u8bfa\u9aa8\u724c\u4e00\u6837\u6269\u6563\u3002\u8fd9\u7bc7\u6587\u7ae0\u6559\u4f60\u5982\u4f55\u7528 chrony \u914d\u7f6e\u65f6\u95f4\u6e90\u5197\u4f59\uff0c\u8ba9\u591a\u8282\u70b9\u96c6\u7fa4\u5728\u65f6\u95f4\u6e90\u6545\u969c\u65f6\u81ea\u52a8\u5207\u6362\uff0c\u59cb\u7ec8\u4fdd\u6301\u65f6\u95f4\u4e00\u81f4\u3002<\/p>\n<p>\u65f6\u95f4\u6e90\u5197\u4f59\u7684\u6838\u5fc3\u601d\u60f3\u662f&#8221;\u4e0d\u628a\u9e21\u86cb\u653e\u5728\u4e00\u4e2a\u7bee\u5b50\u91cc&#8221;\uff1a\u4e3a\u6bcf\u4e2a\u8282\u70b9\u914d\u7f6e\u591a\u4e2a\u65f6\u95f4\u6e90\uff0c\u5f53\u4e3b\u6e90\u4e0d\u53ef\u8fbe\u65f6\u81ea\u52a8\u5207\u6362\u5230\u5907\u7528\u6e90\u3002chrony \u5185\u7f6e\u4e86\u6e90\u9009\u62e9\u4e0e\u5207\u6362\u673a\u5236\uff0c\u53ea\u8981\u914d\u7f6e\u5f97\u5f53\uff0c\u5c31\u80fd\u5728\u65f6\u95f4\u6e90\u6545\u969c\u65f6\u65e0\u7f1d\u63a5\u7ba1\uff0c\u907f\u514d\u96c6\u7fa4\u65f6\u95f4\u6f02\u79fb\u3002\u5bf9\u8ffd\u6c42<a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS \u4e3b\u673a<\/a>\u7a33\u5b9a\u6027\u7684\u56e2\u961f\u6765\u8bf4\uff0c\u65f6\u95f4\u6e90\u5197\u4f59\u662f\u96c6\u7fa4\u9ad8\u53ef\u7528\uff08HA\uff09\u67b6\u6784\u91cc\u5bb9\u6613\u88ab\u5ffd\u7565\u5374\u81f3\u5173\u91cd\u8981\u7684\u4e00\u73af\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/server-ntp-chrony-deploy-clock-drift-troubleshooting-comparison.webp\" alt=\"\u5355\u65f6\u95f4\u6e90\u4e0e\u591a\u65f6\u95f4\u6e90\u5197\u4f59\u5bf9\u6bd4\u56fe\" loading=\"lazy\" \/><\/p>\n<h2>chrony \u65f6\u95f4\u6e90\u5197\u4f59\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>chrony \u4f1a\u540c\u65f6\u8ddf\u8e2a\u6240\u6709\u914d\u7f6e\u7684\u65f6\u95f4\u6e90\uff0c\u5e76\u6301\u7eed\u8bc4\u4f30\u6bcf\u4e2a\u6e90\u7684\u53ef\u9760\u6027\u3002\u5b83\u901a\u8fc7 <code>chronyc sources -v<\/code> \u663e\u793a\u6bcf\u4e2a\u6e90\u7684\u72b6\u6001\uff1a<code>^*<\/code> \u8868\u793a\u5f53\u524d\u6b63\u5728\u4f7f\u7528\u7684\u540c\u6b65\u6e90\uff0c<code>^+<\/code> \u8868\u793a\u53ef\u7528\u5019\u9009\u6e90\uff0c<code>^?<\/code> \u8868\u793a\u4e0d\u53ef\u8fbe\u3002\u5f53\u5f53\u524d\u540c\u6b65\u6e90\u5931\u6548\u65f6\uff0cchrony \u4f1a\u81ea\u52a8\u4ece\u5019\u9009\u6e90\u4e2d\u9009\u51fa\u65b0\u7684\u4e3b\u6e90\uff0c\u65e0\u9700\u4eba\u5de5\u5e72\u9884\u3002<\/p>\n<p>\u8fd9\u79cd\u81ea\u52a8\u5207\u6362\u673a\u5236\u4f9d\u8d56\u4e24\u4e2a\u5173\u952e\u914d\u7f6e\uff1a\u4e00\u662f\u914d\u7f6e\u591a\u4e2a\u65f6\u95f4\u6e90\u5730\u5740\uff0c\u4e8c\u662f\u8ba9\u5404\u6e90\u4e4b\u95f4\u4fdd\u6301\u5408\u7406\u7684\u5c42\u7ea7\u5173\u7cfb\u3002\u5982\u679c\u6240\u6709\u6e90\u90fd\u6307\u5411\u540c\u4e00\u4e2a\u4e0a\u6e38\uff0c\u5197\u4f59\u5c31\u5931\u53bb\u4e86\u610f\u4e49\uff1b\u6b63\u786e\u7684\u505a\u6cd5\u662f\u8ba9\u65f6\u95f4\u6e90\u4e4b\u95f4\u4e5f\u4e92\u76f8\u72ec\u7acb\uff0c\u5f62\u6210\u771f\u6b63\u7684\u5bb9\u9519\u7ed3\u6784\u3002\u5bf9\u8ffd\u6c42<a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ttfb-hosting-optimization\/\">\u7f51\u7ad9\u6027\u80fd<\/a>\u7a33\u5b9a\u7684\u7ad9\u957f\u6765\u8bf4\uff0c\u53ef\u9760\u7684\u65f6\u95f4\u6e90\u5197\u4f59\u540c\u6837\u662f\u65e5\u5fd7\u4e0e\u76d1\u63a7\u6570\u636e\u51c6\u786e\u6027\u7684\u57fa\u7840\u3002<\/p>\n<h2>\u65f6\u95f4\u6e90\u5197\u4f59\u914d\u7f6e\uff1a\u4ece\u89c4\u5212\u5230\u843d\u5730<\/h2>\n<h3>\u7b2c\u4e00\u6b65\uff1a\u89c4\u5212\u591a\u65f6\u95f4\u6e90\u5c42\u7ea7<\/h3>\n<p>\u63a8\u8350\u914d\u7f6e 2 \u5230 3 \u4e2a\u72ec\u7acb\u7684\u65f6\u95f4\u670d\u52a1\u5668\uff0c\u5b83\u4eec\u5206\u522b\u8fde\u63a5\u4e0d\u540c\u7684\u516c\u7f51\u6743\u5a01\u6e90\u3002\u5ba2\u6237\u7aef\u8282\u70b9\u540c\u65f6\u6307\u5411\u8fd9\u4e9b\u65f6\u95f4\u670d\u52a1\u5668\uff0c\u5f62\u6210\u5197\u4f59\u3002\u4f8b\u5982\uff0c\u65f6\u95f4\u670d\u52a1\u5668 A \u8fde\u63a5 ntp.ubuntu.com\uff0c\u65f6\u95f4\u670d\u52a1\u5668 B \u8fde\u63a5 pool.ntp.org\uff0c\u4e24\u8005\u4e92\u4e3a\u4e3b\u5907\u3002<\/p>\n<h3>\u7b2c\u4e8c\u6b65\uff1a\u914d\u7f6e\u65f6\u95f4\u670d\u52a1\u5668\u8282\u70b9<\/h3>\n<p>\u5728\u65f6\u95f4\u670d\u52a1\u5668\u4e0a\u7f16\u8f91 <code>\/etc\/chrony.conf<\/code>\uff0c\u914d\u7f6e\u4e0a\u6e38\u6e90\u5e76\u5f00\u653e\u5185\u7f51\u8bbf\u95ee\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\npool ntp.ubuntu.com iburst\npool 0.ubuntu.pool.ntp.org iburst\nallow 192.168.1.0\/24\nlocal stratum 10\n<\/pre>\n<p><code>allow<\/code> \u6307\u5b9a\u5141\u8bb8\u8bbf\u95ee\u7684\u5185\u7f51\u7f51\u6bb5\uff0c<code>local stratum 10<\/code> \u8ba9\u672c\u673a\u5728\u65e0\u6cd5\u8fde\u63a5\u516c\u7f51\u65f6\u4ecd\u53ef\u4f5c\u4e3a\u672c\u5730\u65f6\u95f4\u6e90\u3002<\/p>\n<h3>\u7b2c\u4e09\u6b65\uff1a\u914d\u7f6e\u5ba2\u6237\u7aef\u8282\u70b9\u7684\u591a\u65f6\u95f4\u6e90<\/h3>\n<p>\u5ba2\u6237\u7aef\u8282\u70b9\u540c\u65f6\u6307\u5411\u591a\u4e2a\u65f6\u95f4\u670d\u52a1\u5668\uff0c\u5f62\u6210\u5197\u4f59\u3002\u7f16\u8f91 <code>\/etc\/chrony.conf<\/code>\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nserver 192.168.1.10 iburst\nserver 192.168.1.11 iburst\nserver 192.168.1.12 iburst\n<\/pre>\n<p>\u914d\u7f6e 3 \u4e2a <code>server<\/code> \u5730\u5740\uff0cchrony \u4f1a\u81ea\u52a8\u9009\u62e9\u6700\u4f18\u6e90\uff0c\u5e76\u5728\u4e3b\u6e90\u4e0d\u53ef\u8fbe\u65f6\u5207\u6362\u5230\u5907\u7528\u6e90\u3002<\/p>\n<h3>\u7b2c\u56db\u6b65\uff1a\u91cd\u542f\u5e76\u9a8c\u8bc1\u81ea\u52a8\u5207\u6362<\/h3>\n<p>\u6240\u6709\u8282\u70b9\u91cd\u542f\u670d\u52a1\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nsudo systemctl restart chronyd\n<\/pre>\n<p>\u7528 <code>chronyc tracking<\/code> \u67e5\u770b\u5f53\u524d\u540c\u6b65\u72b6\u6001\uff0c\u7528 <code>chronyc sources -v<\/code> \u786e\u8ba4\u591a\u4e2a\u65f6\u95f4\u6e90\u90fd\u5df2\u6ce8\u518c\u3002\u8981\u9a8c\u8bc1\u81ea\u52a8\u5207\u6362\uff0c\u53ef\u4ee5\u4e34\u65f6\u505c\u6389\u4e3b\u65f6\u95f4\u670d\u52a1\u5668\uff0c\u89c2\u5bdf\u5ba2\u6237\u7aef\u662f\u5426\u81ea\u52a8\u5207\u6362\u5230\u5907\u7528\u6e90\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/server-ntp-chrony-deploy-clock-drift-troubleshooting-architecture.webp\" alt=\"chrony \u591a\u65f6\u95f4\u6e90\u5197\u4f59\u67b6\u6784\u56fe\" loading=\"lazy\" \/><\/p>\n<h2>\u81ea\u52a8\u5207\u6362\u9a8c\u8bc1\uff1a\u5982\u4f55\u786e\u8ba4\u5197\u4f59\u771f\u6b63\u751f\u6548<\/h2>\n<p>\u914d\u7f6e\u5197\u4f59\u540e\uff0c\u5fc5\u987b\u5b9e\u9645\u9a8c\u8bc1\u81ea\u52a8\u5207\u6362\u662f\u5426\u751f\u6548\uff0c\u4e0d\u80fd\u53ea\u9760\u914d\u7f6e\u770b\u8d77\u6765\u6b63\u786e\u3002\u63a8\u8350\u505a\u4e00\u6b21\u6545\u969c\u6f14\u7ec3\uff1a\u4e34\u65f6\u505c\u6389\u4e3b\u65f6\u95f4\u670d\u52a1\u5668\uff0c\u89c2\u5bdf\u5ba2\u6237\u7aef <code>chronyc sources -v<\/code> \u4e2d <code>^*<\/code> \u662f\u5426\u81ea\u52a8\u6307\u5411\u5907\u7528\u6e90\uff0c\u4ee5\u53ca <code>chronyc tracking<\/code> \u7684\u504f\u5dee\u662f\u5426\u4ecd\u5728\u53ef\u63a5\u53d7\u8303\u56f4\u3002<\/p>\n<p>\u5bf9\u65f6\u95f4\u654f\u611f\u7684\u5e94\u7528\uff0c\u53ef\u4ee5\u5199\u4e00\u4e2a\u5de1\u68c0\u811a\u672c\uff0c\u5b9a\u671f\u6536\u96c6\u5404\u8282\u70b9 <code>chronyc tracking<\/code> \u7684 <code>System time<\/code> \u5b57\u6bb5\uff0c\u4e00\u65e6\u67d0\u8282\u70b9\u504f\u5dee\u8d85\u8fc7\u9608\u503c\uff08\u4f8b\u5982 100 \u6beb\u79d2\uff09\u5c31\u89e6\u53d1\u544a\u8b66\u3002\u8fd9\u6837\u80fd\u5728\u65f6\u95f4\u6f02\u79fb\u5f71\u54cd\u4e1a\u52a1\u524d\u63d0\u524d\u53d1\u73b0\u3002\u5982\u679c\u4f60\u6b63\u5728\u89c4\u5212<a href=\"https:\/\/cn.hostease.com\/wordpress-hosting\/\">WordPress \u4e3b\u673a<\/a>\u6216\u6570\u636e\u5e93\u7c7b\u5e94\u7528\u7684\u96c6\u7fa4\u90e8\u7f72\uff0c\u628a\u65f6\u95f4\u6e90\u5197\u4f59\u4e0e\u4e00\u81f4\u6027\u5de1\u68c0\u7eb3\u5165\u76d1\u63a7\u4f53\u7cfb\uff0c\u80fd\u6709\u6548\u907f\u514d\u65e5\u5fd7\u4e0e\u4e8b\u52a1\u65f6\u95f4\u6233\u9519\u4e71\u3002<\/p>\n<h2>\u5e38\u89c1\u95ee\u9898\u4e0e\u6392\u969c\u601d\u8def<\/h2>\n<h3>\u95ee\u9898\u4e00\uff1a\u5ba2\u6237\u7aef\u663e\u793a <code>^?<\/code> \u65e0\u6cd5\u540c\u6b65<\/h3>\n<p><code>^?<\/code> \u8868\u793a\u8be5\u65f6\u95f4\u6e90\u4e0d\u53ef\u8fbe\u3002\u5148\u68c0\u67e5\u5ba2\u6237\u7aef\u4e0e\u65f6\u95f4\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u7f51\u7edc\u8fde\u901a\u6027\uff0c\u518d\u786e\u8ba4\u65f6\u95f4\u670d\u52a1\u5668\u7684 <code>allow<\/code> \u914d\u7f6e\u662f\u5426\u5305\u542b\u5ba2\u6237\u7aef\u7f51\u6bb5\uff0c\u4ee5\u53ca\u9632\u706b\u5899\u662f\u5426\u653e\u884c UDP 123 \u7aef\u53e3\u3002<\/p>\n<h3>\u95ee\u9898\u4e8c\uff1a\u4e3b\u6e90\u6545\u969c\u540e\u6ca1\u6709\u81ea\u52a8\u5207\u6362<\/h3>\n<p>\u5982\u679c\u4e3b\u6e90\u6545\u969c\u4f46\u5ba2\u6237\u7aef\u4ecd\u663e\u793a <code>^?<\/code> \u800c\u975e\u5207\u6362\u5230\u5907\u7528\u6e90\uff0c\u53ef\u80fd\u662f\u5907\u7528\u6e90\u914d\u7f6e\u6709\u8bef\u6216\u5c42\u7ea7\u4e0d\u5408\u7406\u3002\u68c0\u67e5\u5907\u7528\u6e90\u662f\u5426\u53ef\u8fbe\uff0c\u4ee5\u53ca\u5404\u6e90\u4e4b\u95f4\u662f\u5426\u5f62\u6210\u771f\u6b63\u7684\u72ec\u7acb\u5197\u4f59\uff0c\u800c\u4e0d\u662f\u90fd\u6307\u5411\u540c\u4e00\u4e2a\u4e0a\u6e38\u3002<\/p>\n<h3>\u95ee\u9898\u4e09\uff1a\u865a\u62df\u5316\u73af\u5883\u4e0b\u65f6\u95f4\u5ffd\u5feb\u5ffd\u6162<\/h3>\n<p>\u865a\u62df\u673a\u5171\u4eab\u5bbf\u4e3b\u673a CPU \u65f6\u95f4\uff0c\u65f6\u949f\u5bb9\u6613\u6296\u52a8\u3002\u5efa\u8bae\u5728\u865a\u62df\u673a\u5185\u542f\u7528 chrony 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href=\"https:\/\/cn.hostease.com\/vps\/\">\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668<\/a>\uff09\u6216\u72ec\u670d\uff08\u72ec\u7acb<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u7269\u7406\u670d\u52a1\u5668<\/a>\uff09\u65b9\u6848\uff0c\u4ece\u57fa\u7840\u8bbe\u65bd\u5c42\u9762\u51cf\u5c11\u8fd9\u7c7b\u95ee\u9898\u7684\u53d1\u751f\u6982\u7387\u3002Hostease \u63d0\u4f9b\u591a\u79cd\u670d\u52a1\u5668\u4ea7\u54c1\uff0c\u5e76\u914d\u5957\u6e05\u6670\u7684\u8fd0\u7ef4\u6587\u6863\uff0c\u80fd\u5e2e\u4f60\u628a\u65f6\u95f4\u540c\u6b65\u8fd9\u7c7b\u57fa\u7840\u914d\u7f6e\u4e00\u6b21\u505a\u5bf9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8be6\u89e3 chrony 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