{"id":10008103,"date":"2023-08-16T17:59:45","date_gmt":"2023-08-16T09:59:45","guid":{"rendered":"http:\/\/ityet.com\/?p=10008103"},"modified":"2023-08-16T17:59:45","modified_gmt":"2023-08-16T09:59:45","slug":"%e9%ab%98%e5%8f%af%e7%94%a8%e7%a6%bb%e7%ba%bf%e4%bb%a5%e5%8f%8amysql%e4%b8%bb%e4%b8%bb%e5%a4%87%e4%bb%bd%e9%83%a8%e7%bd%b2","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10008103","title":{"rendered":"\u9ad8\u53ef\u7528\u79bb\u7ebf\u4ee5\u53camysql\u4e3b\u4e3b\u5907\u4efd\u90e8\u7f72"},"content":{"rendered":"<p>\u524d\u8a00\uff1a\u4e3a\u4e86\u51cf\u5c11\u4e09\u7ef4\u6570\u636e\u4e2d\u5fc3\u53ef\u89c6\u5316\u7ba1\u7406\u7cfb\u7edf\u7684\u505c\u5de5\u65f6\u95f4\uff0c\u4fdd\u6301\u5176\u670d\u52a1\u7684\u9ad8\u5ea6\u53ef\u7528\u6027\u3002\u540c\u65f6\u90e8\u7f72\u591a\u5957\u540c\u6837\u7684\u4e09\u7ef4\u53ef\u89c6\u5316\u7cfb\u7edf\uff0c\u8ba9\u4e09\u7ef4\u6570\u636e\u4e2d\u5fc3\u53ef\u89c6\u5316\u7cfb\u7edf\u540c\u65f6\u90e8\u7f72\u5e76\u8fd0\u884c\u5230\u591a\u4e2a\u670d\u52a1\u5668\u4e0a\u3002\u540c\u65f6\u63d0\u4f9b\u4e00\u4e2a\u865a\u62dfIP\uff0c\u7136\u540e\u5916\u9762\u901a\u8fc7\u8fd9\u4e2a\u865a\u62dfIP\u6765\u8bbf\u95ee\u4e09\u7ef4\u53ef\u89c6\u5316\u7ba1\u7406\u7cfb\u7edf\uff0c\u5f53\u4e00\u53f0\u5b9e\u4f53\u670d\u52a1\u5668\u6302\u6389\u65f6\u4f1a\u81ea\u52a8\u7684\u5207\u5230\u53e6\u4e00\u6761\u670d\u52a1\u5668\uff0c\u4f46\u662f\u8fd9\u4e2a\u865a\u62dfIP\u4f9d\u7136\u80fd\u63d0\u4f9b\u670d\u52a1\u3002<\/p>\n<pre><code>\u8981\u5b9e\u73b0\u9ad8\u53ef\u7528\u6027\uff0c\u9700\u8981\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\uff0c\u56e0\u6b64\u9700\u8981\u4fdd\u8bc1\u8fd9\u51e0\u53f0\u670d\u52a1\u5668\u4e0a\u7684\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u4e00\u81f4\uff1b\u540c\u65f6\u8fd8\u9700\u8981\u4fdd\u8bc1\u4e0a\u4f20\u7684\u6587\u4ef6\u4fe1\u606f\u4e00\u81f4\u3002\u6700\u540e\u9700\u8981\u901a\u8fc7\u8f6f\u4ef6\u76d1\u542c\u7a0b\u5e8f\u6765\u76d1\u542c\u5e76\u4e14\u6302\u6389\u65f6\u8fdb\u884c\u81ea\u52a8\u5207\u6362\u3002\n<\/code><\/pre>\n<h2>\u4e00\u3001\u4ec0\u4e48\u662f\u9ad8\u53ef\u7528?<\/h2>\n<p>\u9ad8\u53ef\u7528HA\uff08High Availability\uff09\u662f\u5206\u5e03\u5f0f\u7cfb\u7edf\u67b6\u6784\u8bbe\u8ba1\u4e2d\u5fc5\u987b\u8003\u8651\u7684\u56e0\u7d20\u4e4b\u4e00\uff0c\u5b83\u901a\u5e38\u662f\u6307\uff0c\u901a\u8fc7\u8bbe\u8ba1\u51cf\u5c11\u7cfb\u7edf\u4e0d\u80fd\u63d0\u4f9b\u670d\u52a1\u7684\u65f6\u95f4\u3002<\/p>\n<p>\u5047\u8bbe\u7cfb\u7edf\u4e00\u76f4\u80fd\u591f\u63d0\u4f9b\u670d\u52a1\uff0c\u6211\u4eec\u8bf4\u7cfb\u7edf\u7684\u53ef\u7528\u6027\u662f100%\u3002<\/p>\n<p>\u5982\u679c\u7cfb\u7edf\u6bcf\u8fd0\u884c100\u4e2a\u65f6\u95f4\u5355\u4f4d\uff0c\u4f1a\u67091\u4e2a\u65f6\u95f4\u5355\u4f4d\u65e0\u6cd5\u63d0\u4f9b\u670d\u52a1\uff0c\u6211\u4eec\u8bf4\u7cfb\u7edf\u7684\u53ef\u7528\u6027\u662f99%\u300252.56\u5206\u949f\u3002<\/p>\n<p>\u767e\u5ea6\u7684\u641c\u7d22\u9996\u9875\uff0c\u662f\u4e1a\u5185\u516c\u8ba4\u9ad8\u53ef\u7528\u4fdd\u969c\u975e\u5e38\u51fa\u8272\u7684\u7cfb\u7edf\uff0c\u751a\u81f3\u4eba\u4eec\u4f1a\u901a\u8fc7www.baidu.com \u80fd\u4e0d\u80fd\u8bbf\u95ee\u6765\u5224\u65ad\u201c\u7f51\u7edc\u7684\u8fde\u901a\u6027\u201d\uff0c\u767e\u5ea6\u9ad8\u53ef\u7528\u7684\u670d\u52a1\u8ba9\u4eba\u7559\u4e0b\u5566\u201c\u7f51\u7edc\u901a\u7545\uff0c\u767e\u5ea6\u5c31\u80fd\u8bbf\u95ee\u201d\uff0c\u201c\u767e\u5ea6\u6253\u4e0d\u5f00\uff0c\u5e94\u8be5\u662f\u7f51\u7edc\u8fde\u4e0d\u4e0a\u201d\u7684\u5370\u8c61\uff0c\u8fd9\u5176\u5b9e\u662f\u5bf9\u767e\u5ea6HA\u6700\u9ad8\u7684\u8912\u5956\u3002&#8212;&#8211;\u6458\u9009\u81ea\u77e5\u4e4e<\/p>\n<h2>\u4e8c\u3001\u5982\u4f55\u4fdd\u969c\u7cfb\u7edf\u7684\u9ad8\u53ef\u7528<\/h2>\n<p>\u6211\u4eec\u90fd\u77e5\u9053\uff0c\u5355\u70b9\u662f\u7cfb\u7edf\u9ad8\u53ef\u7528\u7684\u5927\u654c\uff0c\u5355\u70b9\u5f80\u5f80\u662f\u7cfb\u7edf\u9ad8\u53ef\u7528\u6700\u5927\u7684\u98ce\u9669\u548c\u654c\u4eba\uff0c\u5e94\u8be5\u5c3d\u91cf\u5728\u7cfb\u7edf\u8bbe\u8ba1\u7684\u8fc7\u7a0b\u4e2d\u907f\u514d\u5355\u70b9\u3002\u65b9\u6cd5\u8bba\u4e0a\uff0c\u9ad8\u53ef\u7528\u4fdd\u8bc1\u7684\u539f\u5219\u662f\u201c\u96c6\u7fa4\u5316\u201d\uff0c\u6216\u8005\u53eb\u201c\u5197\u4f59\u201d\uff1a\u53ea\u6709\u4e00\u4e2a\u5355\u70b9\uff0c\u6302\u4e86\u670d\u52a1\u4f1a\u53d7\u5f71\u54cd\uff1b\u5982\u679c\u6709\u5197\u4f59\u5907\u4efd\uff0c\u6302\u4e86\u8fd8\u6709\u5176\u4ed6backup\u80fd\u591f\u9876\u4e0a\u3002<\/p>\n<p>\u4fdd\u8bc1\u7cfb\u7edf\u9ad8\u53ef\u7528\uff0c\u67b6\u6784\u8bbe\u8ba1\u7684\u6838\u5fc3\u51c6\u5219\u662f\uff1a\u5197\u4f59\u3002<\/p>\n<p>\u6709\u4e86\u5197\u4f59\u4e4b\u540e\uff0c\u8fd8\u4e0d\u591f\uff0c\u6bcf\u6b21\u51fa\u73b0\u6545\u969c\u9700\u8981\u4eba\u5de5\u4ecb\u5165\u6062\u590d\u52bf\u5fc5\u4f1a\u589e\u52a0\u7cfb\u7edf\u7684\u4e0d\u53ef\u670d\u52a1\u5b9e\u8df5\u3002\u6240\u4ee5\uff0c\u53c8\u5f80\u5f80\u662f\u901a\u8fc7\u201c\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\u201d\u6765\u5b9e\u73b0\u7cfb\u7edf\u7684\u9ad8\u53ef\u7528\u3002&#8212;&#8211;\u6458\u9009\u81ea\u77e5\u4e4e<\/p>\n<h2>\u4eba\u8bdd:\u4e24\u53f0\u670d\u52a1\u5668\u542f\u52a8\u7740\u76f8\u540c\u7684\u670d\u52a1\uff0c\u5982\u679c\u6709\u4e00\u53f0\u6545\u969c\uff0c\u53e6\u4e00\u53f0\u81ea\u52a8\u63a5\u7ba1,\u6211\u4eec\u5c06\u8fd9\u4e2a\u79f0\u4e4b\u4e3a\u9ad8\u53ef\u7528;<\/h2>\n<p>\u7c7b\u4f3c\u670d\u52a1\u5668:\u5197\u4f59,\u7c7b\u4f3c\u670d\u52a1\u5668\u67092-4\u4e2a\u7535\u6e90,\u4f46\u662f\u6bd4\u8f83\u8d35<\/p>\n<h2>\u4e0a\u56fe:<\/h2>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118750\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\"><\/p>\n<h2>\u5b89\u88c5keepalived:<\/h2>\n<h4>\u79bb\u7ebf\u5b89\u88c5\u65b9\u6cd5\uff1a\u56e0\u4e3a\u6211\u4eec\u7684\u5927\u90e8\u5206\u5ba2\u6237\u90fd\u662f\u5c5e\u4e8e\u6570\u636e\u4e2d\u5fc3\uff0c\u5e76\u4e0d\u4f1a\u8fde\u63a5\u5916\u7f51\uff0c\u6240\u4ee5\u91c7\u53d6\u79bb\u7ebf\u5b89\u88c5\u7684\u65b9\u5f0f\u6bd4\u8f83\u591a\uff0c\u5728\u7ebf\u5b89\u88c5\u7684\u65b9\u6cd5\u975e\u5e38\u7b80\u5355\uff0c\u5982\u4e0b\u547d\u4ee4\u5373\u53ef\uff0c\u5728\u5b89\u88c5keepalived\u4e4b\u524d\u786e\u4fdd\u5b89\u88c5\u4e86\u6444\u50cf\u5934\u7684\u90a3\u4e00\u5957\u4e1c\u897f\uff0c\u56e0\u4e3a\u8fd9\u91cc\u6d89\u53ca\u5230\u9700\u8981\u5b89\u88c5openssl\u7684\u6a21\u5757\uff0c\u5982\u679c\u6ca1\u6709\u88c5\u8bf7\u5148\u88c5nginx\u6444\u50cf\u5934\u76f8\u5e94\u7684\u8f6f\u4ef6<\/h4>\n<h4>keepalived\u7684\u8fd0\u884c\u6a21\u5f0f:<\/h4>\n<p>\u51c6\u5907\u6761\u4ef6:<\/p>\n<p>\u9700\u8981\u4e09\u4e2aip,\u5e76\u4e14\u4fdd\u8bc1\u662f\u5c40\u57df\u7f51,\u76f8\u4e92\u4e4b\u95f4ping\u7684\u901a,\u524d\u9762\u4e24\u4e2aip\u597d\u7406\u89e3,\u4e24\u53f0\u670d\u52a1\u5668,\u7b2c\u4e09\u4e2aip\u5c31\u662f\u4e00\u4e2a\u865a\u62dfip,\u5c31\u662f\u7a7a\u4f59ip\u6ca1\u88ab\u542f\u7528\u7684\u5373\u53ef,\u6211\u4eec\u8bbf\u95ee\u7cfb\u7edf\u7684\u8bdd\u5c31\u662f\u901a\u8fc7\u8fd9\u4e2a\u865a\u62dfip\u8bbf\u95ee<\/p>\n<h5>\u4f18\u5148\u7ea7<\/h5>\n<p>VRRP\u6839\u636e\u4f18\u5148\u7ea7\u6765\u786e\u5b9a\u865a\u62df\u8def\u7531\u5668\u4e2d\u6bcf\u53f0\u8def\u7531\u5668\u7684\u5730\u4f4d;<\/p>\n<h5>\u975e\u62a2\u5360\u65b9\u5f0f<\/h5>\n<p>\u5982\u679cBackup\u8def\u7531\u5668\u5de5\u4f5c\u5728\u975e\u62a2\u5360\u65b9\u5f0f\u4e0b\uff0c\u5219\u53ea\u8981Master\u8def\u7531\u5668\u6ca1\u6709\u51fa\u73b0\u6545\u969cBackup\u8def\u7531\u5668\u5373\u4f7f\u968f\u540e\u88ab\u914d\u7f6e\u4e86\u66f4\u9ad8\u7684\u4f18\u5148\u7ea7\u4e5f\u4e0d\u4f1a\u6210\u4e3aMaster\u8def\u7531\u5668;<\/p>\n<h5>\u62a2\u5360\u65b9\u5f0f<\/h5>\n<p>\u5982\u679cBackup\u8def\u7531\u5668\u5de5\u4f5c\u5728\u62a2\u5360\u65b9\u5f0f\u4e0b\uff0c\u5f53\u5b83\u6536\u5230VRRP\u62a5\u6587\u540e\uff0c\u4f1a\u5c06\u81ea\u5df1\u7684\u4f18\u5148\u7ea7\u4e0e\u901a\u544a\u62a5\u6587\u4e2d\u7684\u4f18\u5148\u7ea7\u8fdb\u884c\u6bd4\u8f83\u3002\u5982\u679c\u81ea\u5df1\u7684\u4f18\u5148\u7ea7\u6bd4\u5f53\u524d\u7684Master\u8def\u7531\u5668\u7684\u4f18\u5148\u7ea7\u9ad8\uff0c\u5c31\u4f1a\u4e3b\u52a8\u62a2\u5360\u6210\u4e3aMaster\u8def\u7531\u5668\uff1b\u5426\u5219\uff0c\u5c06\u4fdd\u6301Backup\u72b6\u6001.<\/p>\n<pre><code class=\"plain\">yum install keepalived-y<\/code><\/pre>\n<h2>1.\u4e0a\u4f20\u6587\u4ef6<\/h2>\n<p>1.\u9996\u5148\u628a\u6587\u4ef6\u4f20\u5230opt\u4e0b\u9762<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118751\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<h2>2.\u89e3\u538b\u5b89\u88c5<\/h2>\n<pre><code class=\"plain\">cd \/opt   <\/code><\/pre>\n<pre><code class=\"plain\">tar -zxvf keepalived-2.0.20.tar.gz<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118752\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<h2>3.\u7f16\u8bd1<\/h2>\n<pre><code class=\"plain\">cd  keepalived-2.0.20<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118753\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<pre><code class=\"plain\">.\/configure --prefix=\/usr\/local\/keepalived<\/code><\/pre>\n<p>\u4f1a\u53d1\u73b0\u6709\u4e00\u4e2a\u62a5\u9519<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118754\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<h2>4.\u62a5\u9519\u4fe1\u606f\u7136\u540e\u5b89\u88c5<\/h2>\n<pre><code class=\"plain\">cd \/opt<\/code><\/pre>\n<pre><code class=\"plain\">rpm -ivh libnl-1.1.4-3.el7.x86_64.rpm --force --nodeps<\/code><\/pre>\n<pre><code class=\"plain\">rpm -ivh libnl-devel-1.1.4-3.el7.x86_64.rpm --force --nodeps<\/code><\/pre>\n<pre><code class=\"plain\">cd keepalived-2.0.20<\/code><\/pre>\n<pre><code class=\"plain\">.\/configure --prefix=\/usr\/local\/keepalived<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118755\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u6ca1\u6709\u62a5\u9519\u4e86,\u7ee7\u7eed\u5f80\u4e0b\u6267\u884c<\/p>\n<pre><code class=\"plain\"> make &amp;&amp; make install<\/code><\/pre>\n<p>\u8f93\u5165\u4e0a\u9762\u7684\u547d\u4ee4\u4f1a\u62a5\u4ee5\u4e0b\u9519\u8bef<br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118756\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u89e3\u51b3:<\/p>\n<pre><code class=\"plain\">cd \/usr\/local\/lib64<\/code><\/pre>\n<pre><code class=\"plain\">export LIBRARY_PATH=\/usr\/local\/lib64<\/code><\/pre>\n<pre><code class=\"plain\">cd \/opt\/keepalived-2.0.20<\/code><\/pre>\n<pre><code class=\"plain\">.\/configure --prefix=\/usr\/local\/keepalived<\/code><\/pre>\n<pre><code> make &amp;&amp; make install<\/code><\/pre>\n<p>\u6267\u884c\u5b8c\u4e4b\u540e\u4e5f\u62a5\u9519\u4e86<br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118757\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<h2>5.\u521d\u59cb\u5316keepalived<\/h2>\n<pre><code class=\"plain\"> cp \/opt\/keepalived-2.0.20\/keepalived\/etc\/init.d\/keepalived \/etc\/init.d\/<\/code><\/pre>\n<pre><code class=\"plain\"> cp \/opt\/keepalived-2.0.20\/keepalived\/etc\/sysconfig\/keepalived \/etc\/sysconfig\/<\/code><\/pre>\n<pre><code class=\"plain\">cp \/usr\/local\/keepalived\/sbin\/keepalived \/usr\/sbin\/<\/code><\/pre>\n<pre><code class=\"plain\">mkdir -p \/etc\/keepalived<\/code><\/pre>\n<pre><code class=\"plain\">cp \/usr\/local\/keepalived\/etc\/keepalived\/keepalived.conf \/etc\/keepalived\/<\/code><\/pre>\n<pre><code class=\"plain\">chmod +x \/etc\/init.d\/keepalived<\/code><\/pre>\n<h2>6.\u6dfb\u52a0keepalived\u5230\u5f00\u673a\u542f\u52a8<\/h2>\n<pre><code class=\"plain\">chkconfig \u2014add keepalived <\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118758\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<pre><code class=\"plain\">chkconfig keepalived on <\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118759\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<h2>7.\u542f\u52a8\u3001\u5173\u95ed\u3001\u91cd\u542f<\/h2>\n<pre><code class=\"plain\">service keepalived start  \/\/\u542f\u52a8<\/code><\/pre>\n<pre><code class=\"plain\">service keepalived stop   \/\/\u505c\u6b62<\/code><\/pre>\n<pre><code class=\"plain\">service keepalived restart   \/\/\u91cd\u542f<\/code><\/pre>\n<p>\u5f53\u6211\u4eec\u542f\u52a8\u4f7f\u7528  service keepalived start \u542f\u52a8\u7684\u65f6\u5019\u4f1a\u62a5\u9519<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118760\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u89e3\u51b3:<\/p>\n<pre><code class=\"plain\">ln -s \/usr\/local\/lib64\/libssl.so.1.1 \/usr\/lib64\/libssl.so.1.1<\/code><\/pre>\n<pre><code class=\"plain\">ln -s \/usr\/local\/lib64\/libcrypto.so.1.1 \/usr\/lib64\/libcrypto.so.1.1<\/code><\/pre>\n<p>\u5728\u8f93\u5165\u547d\u4ee4\u542f\u52a8<\/p>\n<pre><code class=\"plain\">service keepalived start<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118761\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<h2>\u4ee5\u4e0a\u76841-7\u6b65\u9aa4\u5728\u5907\u673a\u4e0a\u4e5f\u9700\u8981\u88c5\u4e00\u4e0b,\u8bf7\u6ce8\u610f<\/h2>\n<h2>8.\u914d\u7f6ekeepalived<\/h2>\n<p>\u4e3b\u673a:192.168.10.51<\/p>\n<p>\u5907\u673a:192.168.10.65<\/p>\n<p>\u865a\u62dfip:192.168.10.77<\/p>\n<h3>\u5728\u4e3b\u673a\u4e0b\u64cd\u4f5c:<\/h3>\n<pre><code class=\"plain\">vi \/etc\/keepalived\/keepalived.conf<\/code><\/pre>\n<p>\u4ee5\u4e0b\u5c31\u662f\u6211\u4eec\u9700\u8981\u4fee\u6539\u7684\u5185\u5bb9<br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118762\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u586b\u5b8c\u76f4\u63a5  :wq!\u4fdd\u5b58\u9000\u51fa\u5373\u53ef<\/p>\n<p>\u4e0a\u9762\u56fe\u91cc\u9762\u8bf4\u7684\u7f51\u5361\u540d\u79f0\u67e5\u8be2\u65b9\u6cd5:<\/p>\n<pre><code class=\"plain\">ip addr<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118763\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u7136\u540e\u91cd\u542fkeepalived<\/p>\n<pre><code class=\"plain\">service keepalived restart<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118764\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<pre><code class=\"plain\">service keepalived status     \/\/\u67e5\u770bkeepalived\u7684\u72b6\u6001,\u4e0b\u56fe\u8868\u793a\u5df2\u7ecf\u542f\u52a8<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118765\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<h3>\u5728\u5907\u673a\u4e0b\u64cd\u4f5c:<\/h3>\n<pre><code class=\"plain\">vi \/etc\/keepalived\/keepalived.conf<\/code><\/pre>\n<p>\u4ee5\u4e0b\u5c31\u662f\u6211\u4eec\u9700\u8981\u4fee\u6539\u7684\u5185\u5bb9<br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118766\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u586b\u5b8c\u76f4\u63a5  :wq!\u4fdd\u5b58\u9000\u51fa\u5373\u53ef<\/p>\n<p>\u7136\u540e\u91cd\u542fkeepalived<\/p>\n<pre><code class=\"plain\">service keepalived restart<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118767\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<pre><code class=\"plain\">service keepalived status     \/\/\u67e5\u770bkeepalived\u7684\u72b6\u6001,\u4e0b\u56fe\u8868\u793a\u5df2\u7ecf\u542f\u52a8<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118768\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<h2>9.\u9a8c\u8bc1<\/h2>\n<pre><code>\u542f\u52a8\u540e\u770b\u5bf9\u5e94\u7684\u865a\u62dfIP\u5730\u5740\u662f\u5426\u751f\u6210\uff0c\u5f53\u4e3b\u673a\u5173\u6389\u6216\u8005\u5176\u5bf9\u5e94\u7684keepalived\u6302\u6389\u540e\u5907\u673a\u662f\u5426\u751f\u6210\u5bf9\u5e94\u7684\u865a\u62dfIP\uff0c\u4ee5\u53ca\u4e3b\u673a\u91cd\u542f\u5de5\u4f5c\u65f6\u865a\u62dfIP\u662f\u5426\u91cd\u65b0\u6f02\u79fb\u5230\u4e3b\u673a\u4e0a\u3002\n<\/code><\/pre>\n<p>\u6211\u4eec\u53ef\u4ee5\u76f8\u4e92ping\u4e00\u4e0b,\u53ef\u4ee5\u770b\u89c1\u662f\u901a\u7684<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118769\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u4e0a\u9762\u6211\u4eec\u8bb2\u8fc7,\u9ed8\u8ba4\u8bbf\u95ee\u5c31\u662f\u4e3b\u673a,\u4e3b\u673a\u6302\u4e86\u5c31\u662f\u5207\u6362\u5230\u5907\u673a,\u6211\u4eec\u53ea\u9700\u8981\u67e5\u770b\u4e3b\u673a\u4e0a\u9762\u7684ip,\u4e0a\u9762\u5f88\u660e\u663e\u6709\u4e24\u4e2aip,\u5176\u4e2d\u6709\u4e00\u4e2a\u5c31\u662f\u865a\u62df\u673aip<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118770\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u5f53\u6211\u4eec\u628a\u4e3b\u673a\u5173\u6389\u6216\u8005\u4e3b\u673a\u7684keepalived\u670d\u52a1\u5173\u6389\u4e4b\u540e\u770b\u80fd\u5426\u91cd\u65b0\u6f02\u79fb\u56de\u6765\u5462?<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118771\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u6211\u4eec\u518d\u770b\u770bip addr,\u5f88\u660e\u663e\u5df2\u7ecf\u6ca1\u6709\u4e86\u865a\u62dfip<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118772\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u6211\u4eec\u5df2\u7ecf\u6210\u529f\u5173\u6389\u4e86\u4e3b\u673a\u7684keepalived\u670d\u52a1,\u6211\u4eec\u770b\u4e0b\u5907\u673a\u4e0a\u80fd\u591f\u770b\u5230\u865a\u62dfip\u5417<\/p>\n<p>\u6211\u4eec\u5728\u5907\u673a\u4e0a\u64cd\u4f5c,\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u865a\u62dfip\u8dd1\u5230\u4e86\u8fd9\u4e0a\u9762,\u770b\u5230\u8fd9\u91cc\u4f60\u662f\u4e0d\u662f\u5bf9keepalived\u7684\u5de5\u4f5c\u6a21\u5f0f\u6709\u4e86\u4e00\u4e2a\u6d45\u663e\u7684\u8ba4\u8bc6,\u63a5\u4e0b\u6765\u6211\u4eec\u5f00\u542f\u4e3b\u673a\u7684keepalived\u670d\u52a1,\u80fd\u591f\u5728\u8df3\u8fc7\u53bb\u561b.\u8fd9\u5c31\u662f\u6a21\u62df\u5f53\u4e3b\u673a\u5df2\u7ecf\u6062\u590d\u670d\u52a1\u4e86,\u770b\u80fd\u5426\u81ea\u52a8\u8df3\u8f6c\u8fc7\u53bb<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118773\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u542f\u52a8\u4e3b\u673a\u7684keepalived\u670d\u52a1:<\/p>\n<pre><code class=\"plain\">service keepalived start<\/code><\/pre>\n<pre><code class=\"plain\">service keepalived status<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118774\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u67e5\u770bip,\u5f88\u660e\u663e\u5df2\u7ecf\u5207\u6362\u56de\u6765\u4e86,\u81ea\u6b64\u5df2\u7ecf\u914d\u7f6e\u5b8c\u6210\u4e86keepalived\u670d\u52a1<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118775\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<h2>mysql\u4e3b\u4e3b\u5907\u4efd:<\/h2>\n<pre><code>\u4fdd\u8bc1\u5404\u670d\u52a1\u5668\u4e0a\u7684\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u4e00\u81f4\uff0c\u56e0\u6b64\u9700\u8981\u5f00\u542f\u6570\u636e\u5e93\u540c\u6b65\u673a\u5236\u3002\u7531\u4e8e\u662f\u4e00\u6574\u5957\u7cfb\u7edf\uff0c\u5e76\u4e14\u7cfb\u7edf\u5185\u542b\u6570\u636e\u5e93\u3002\u7531\u4e8e\u4efb\u4f55\u4e00\u53f0\u670d\u52a1\u5668\u90fd\u6709\u53ef\u80fd\u88ab\u9009\u4e2d\uff0c\u56e0\u6b64\u8981\u8ba9\u6240\u6709\u7684\u6570\u636e\u5e93\u4e0a\u7684\u6570\u636e\u90fd\u662f\u6700\u65b0\u7684\uff0c\u4efb\u4f55\u4e00\u4e2a\u670d\u52a1\u5668\u4e0a\u7684\u6570\u636e\u53d1\u751f\u53d8\u5316\u65f6\u90fd\u8981\u81ea\u52a8\u7684\u540c\u6b65\u5230\u5176\u4ed6\u7684\u670d\u52a1\u5668\u4e0a\u3002\n\n\u4e09\u7ef4\u53ef\u89c6\u5316\u7ba1\u7406\u7cfb\u7edf\u4f7f\u7528\u7684\u65f6Mysql\u6570\u636e\u5e93\uff0c\u8fd9\u91cc\u91c7\u7528\u7684\u65f6\u4e3b-\u4e3b\u5907\u4efd\u673a\u5236\u8fdb\u884c\u540c\u6b65\u7684\u3002\n<\/code><\/pre>\n<p>\u4e3b\u4e00\u6570\u636e\u5e93:192.168.10.51<\/p>\n<p>\u4e3b\u4e8c\u6570\u636e\u5e93:192.168.10.65<\/p>\n<h3>\u4e3b\u6570\u636e\u5e931:<\/h3>\n<p>\u7f16\u8f91\u6570\u636e\u5e93<\/p>\n<pre><code class=\"plain\">vi \/etc\/my.cnf<\/code><\/pre>\n<pre><code class=\"plain\"># \u5f00\u542f\u4e8c\u8fdb\u5236\u540c\u6b65\nlog-bin=mysql-bin\n\n# \u8bbe\u7f6eID,\u4e0d\u80fd\u91cd\u590d,\u53ef\u4ee5\u4f7f\u7528IP\u6700\u540e\u4e00\u4f4d\u6570\u5b57 \nserver-id=129\n\n# \u9700\u8981\u540c\u6b65\u7684\u6570\u636e\u540d\u79f0,\u591a\u4e2a\u6570\u636e\u5e93\u5219\u8981\u91cd\u590d\u8bbe\u7f6e: bin-do-db,bin-ignore-db\u4e3a\u4e92\u65a5\u5173\u7cfb, \u53ea\u9700\u8bbe\u7f6e\u5176\u4e2d\u4e00\u9879\u5373\u53ef\nreplicate-do-db=itv\n\n# \u81ea\u589e\u957f\u5b57\u6bb5\u521d\u59cb\u503c\u4e3a1\nauto-increment-offset=1\n\n# \u81ea\u589e\u957f\u5b57\u6bb5\u589e\u91cf\u503c\nauto-increment-increment=2\n\n# \u8df3\u8fc7\u6240\u6709\u590d\u5236\u7684\u9519\u8bef\nslave-skip-errors=all<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118776\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<pre><code class=\"plain\">systemctl restart mysqld   \/\/\u91cd\u542fmysql\u670d\u52a1<\/code><\/pre>\n<h3>\u4e3b\u6570\u636e\u5e932:<\/h3>\n<p>\u7f16\u8f91\u6570\u636e\u5e93<\/p>\n<pre><code class=\"plain\">vi \/etc\/my.cnf<\/code><\/pre>\n<pre><code class=\"plain\"># \u5f00\u542f\u4e8c\u8fdb\u5236\u540c\u6b65\nlog-bin=mysql-bin\n\n# \u8bbe\u7f6eID,\u4e0d\u80fd\u91cd\u590d,\u53ef\u4ee5\u4f7f\u7528IP\u6700\u540e\u4e00\u4f4d\u6570\u5b57 \nserver-id=128\n\n# \u9700\u8981\u540c\u6b65\u7684\u6570\u636e\u540d\u79f0,\u591a\u4e2a\u6570\u636e\u5e93\u5219\u8981\u91cd\u590d\u8bbe\u7f6e: bin-do-db,bin-ignore-db\u4e3a\u4e92\u65a5\u5173\u7cfb, \u53ea\u9700\u8bbe\u7f6e\u5176\u4e2d\u4e00\u9879\u5373\u53ef\nreplicate-do-db=itv\n\n# \u81ea\u589e\u957f\u5b57\u6bb5\u521d\u59cb\u503c\u4e3a1\nauto-increment-offset=1\n\n# \u81ea\u589e\u957f\u5b57\u6bb5\u589e\u91cf\u503c\nauto-increment-increment=2\n\n# \u8df3\u8fc7\u6240\u6709\u590d\u5236\u7684\u9519\u8bef\nslave-skip-errors=all<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118777\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<pre><code class=\"plain\">systemctl restart mysqld   \/\/\u91cd\u542fmysql\u670d\u52a1<\/code><\/pre>\n<h3>\u521b\u5efamysql\u590d\u5236\u8d26\u6237:<\/h3>\n<h4>\u5728\u4e3b\u4e00\u6570\u636e\u5e93\u64cd\u4f5c:<\/h4>\n<p>\u4e3a\u4e3b\u4e8c\u7684\u6240\u5728\u7684ip\u521b\u5efa\u4e00\u4e2a\u8d26\u53f7\u5bc6\u7801\u4e3aroot1,\u8fd9\u6837\u5c31\u80fd\u591f\u5141\u8bb8\u8fdc\u7a0b\u8bbf\u95ee\u672c\u673a\u6570\u636e\u5e93\u4e86<\/p>\n<p>\u767b\u5f55mysql:<\/p>\n<pre><code class=\"plain\">mysql -uroot -proot   \/\/\u767b\u5f55mysql<\/code><\/pre>\n<pre><code class=\"plain\">grant replication slave on *.* to root1@'192.168.10.68' identified by 'root1';<\/code><\/pre>\n<p>\u8d4b\u4e88\u6743\u9650:\u5982\u679c\u5c31\u8fd9\u6837\u8fde\u63a5\u7684\u8bdd\u867d\u7136\u80fd\u8bbf\u95ee\u4f46\u8fd8\u662f\u770b\u4e0d\u4e86\u6570\u636e\u7684,\u6240\u4ee5\u9700\u8981\u8d4b\u4e88root1\u6743\u9650<\/p>\n<pre><code class=\"plain\">update user set `Select_priv` = 'Y',`Insert_priv` = 'Y',`Update_priv` = 'Y',`Delete_priv` = 'Y',`Create_priv` = 'Y',`Drop_priv` = 'Y',\n`Reload_priv` = 'Y',`Shutdown_priv` = 'Y',`Process_priv` = 'Y',`File_priv` = 'Y',`Grant_priv` = 'Y',`References_priv` = 'Y',\n`Index_priv` = 'Y',`Alter_priv` = 'Y',`Show_db_priv` = 'Y',`Super_priv` = 'Y',`Create_tmp_table_priv` = 'Y',\n`Lock_tables_priv` = 'Y',`Execute_priv` = 'Y',`Repl_slave_priv` = 'Y',`Repl_client_priv` = 'Y',`Create_view_priv` = 'Y',\n`Show_view_priv` = 'Y',`Create_routine_priv` = 'Y',`Alter_routine_priv` = 'Y',`Create_user_priv` = 'Y',`Event_priv` = 'Y',\n`Trigger_priv` = 'Y',`Create_tablespace_priv` = 'Y'\nwhere user='root1';<\/code><\/pre>\n<h4>\u7acb\u5373\u751f\u6548:<\/h4>\n<pre><code class=\"plain\">flush privileges;<\/code><\/pre>\n<h4>\u5728\u4e3b\u4e8c\u6570\u636e\u5e93\u64cd\u4f5c:<\/h4>\n<p>\u4e3a\u4e3b\u4e00\u7684\u6240\u5728\u7684ip\u521b\u5efa\u4e00\u4e2a\u8d26\u53f7\u5bc6\u7801\u4e3aroot1,\u8fd9\u6837\u5c31\u80fd\u591f\u5141\u8bb8\u8fdc\u7a0b\u8bbf\u95ee\u672c\u673a\u6570\u636e\u5e93\u4e86<\/p>\n<p>\u767b\u5f55mysql:<\/p>\n<pre><code class=\"plain\">mysql -uroot -proot   \/\/\u767b\u5f55mysql<\/code><\/pre>\n<pre><code class=\"plain\">grant replication slave on *.* to root1@'192.168.10.67' identified by 'root1';<\/code><\/pre>\n<p>\u8d4b\u4e88\u6743\u9650:\u5982\u679c\u5c31\u8fd9\u6837\u8fde\u63a5\u7684\u8bdd\u867d\u7136\u80fd\u8bbf\u95ee\u4f46\u8fd8\u662f\u770b\u4e0d\u4e86\u6570\u636e\u7684,\u6240\u4ee5\u9700\u8981\u8d4b\u4e88root1\u6743\u9650<\/p>\n<pre><code class=\"plain\">update user set `Select_priv` = 'Y',`Insert_priv` = 'Y',`Update_priv` = 'Y',`Delete_priv` = 'Y',`Create_priv` = 'Y',`Drop_priv` = 'Y',\n`Reload_priv` = 'Y',`Shutdown_priv` = 'Y',`Process_priv` = 'Y',`File_priv` = 'Y',`Grant_priv` = 'Y',`References_priv` = 'Y',\n`Index_priv` = 'Y',`Alter_priv` = 'Y',`Show_db_priv` = 'Y',`Super_priv` = 'Y',`Create_tmp_table_priv` = 'Y',\n`Lock_tables_priv` = 'Y',`Execute_priv` = 'Y',`Repl_slave_priv` = 'Y',`Repl_client_priv` = 'Y',`Create_view_priv` = 'Y',\n`Show_view_priv` = 'Y',`Create_routine_priv` = 'Y',`Alter_routine_priv` = 'Y',`Create_user_priv` = 'Y',`Event_priv` = 'Y',\n`Trigger_priv` = 'Y',`Create_tablespace_priv` = 'Y'\nwhere user='root1';<\/code><\/pre>\n<h4>\u7acb\u5373\u751f\u6548:<\/h4>\n<pre><code class=\"plain\">flush privileges;<\/code><\/pre>\n<h4>\u6d4b\u8bd5\u80fd\u5426\u8bbf\u95ee:<\/h4>\n<p>\u5728\u4e3b\u4e00\u767b\u5f55\u4e3b\u4e8c\u7684\u6570\u636e\u5e93:<\/p>\n<pre><code class=\"plain\">mysql -h192.168.10.65 -uroot1 -p    \/\/\u767b\u5f55\u4e3b\u4e8c\u7684\u6570\u636e\u5e93<\/code><\/pre>\n<p>\u53d1\u73b0\u8fde\u63a5\u5931\u8d25<br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118778\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u6211\u4eec\u67e5\u770b3306\u7aef\u53e3\u53d1\u73b0\u88ab\u5360\u7528,\u6211\u4eec\u5f00\u542f3306\u7aef\u53e3,\u6211\u4eec\u5728\u4e3b\u5907\u673a\u90fd\u9700\u8981\u5f00\u653e\u6b64\u7aef\u53e3<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118779\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u5e94\u8be5\u662f\u9632\u706b\u5899\u7684\u539f\u56e0,<\/p>\n<pre><code class=\"plain\">firewall-cmd --zone=public --add-port=3306\/tcp --permanent<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118780\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u7136\u540e\u91cd\u542f\u9632\u706b\u5899<\/p>\n<pre><code class=\"plain\">systemctl restart firewalld.service<\/code><\/pre>\n<p>\u7ee7\u7eed\u8fde\u63a5,\u53d1\u73b0\u53ef\u4ee5\u8fde\u63a5\u6210\u529f,\u5e76\u4e14\u53ef\u4ee5\u67e5\u770b\u6570\u636e<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118781\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<pre><code class=\"plain\">show databases;  \/\/\u67e5\u770b\u6570\u636e\u5e93<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118782\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u540c\u7406,\u5728\u4e3b\u4e8c\u7684\u6570\u636e\u5e93\u53ef\u4ee5\u8bbf\u95ee\u4e3b\u4e00\u7684\u6570\u636e\u5e93\u770b\u4e0b:<\/p>\n<pre><code class=\"plain\">mysql -h192.168.10.51 -uroot1 -p    \/\/\u767b\u5f55\u4e3b\u4e00\u7684\u6570\u636e\u5e93<\/code><\/pre>\n<pre><code class=\"plain\">show databases;  \/\/\u67e5\u770b\u6570\u636e\u5e93<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118783\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<h4>\u91cd\u542f\u6570\u636e\u5e93<\/h4>\n<pre><code class=\"plain\">\u4e3b\u6570\u636e\u5e931: systemctl restart mysqld<\/code><\/pre>\n<pre><code class=\"plain\">\u4e3b\u6570\u636e\u5e932: systemctl restart mysqld <\/code><\/pre>\n<h3>\u4e92\u544abin-log\u4fe1\u606f<\/h3>\n<p>\u4e3b\u4e3b\u540c\u6b65\u8fd8\u6709\u4e3b\u4ece\u540c\u6b65\u90fd\u662f\u57fa\u4e8ebinlog\u7684\u539f\u7406\u8fdb\u884c,\u76f8\u5f53\u4e8e\u6211\u4eec\u6253\u5f00\u4e86\u8fd9\u4e2a\u5f00\u5173,\u6bcf\u6b21\u64cd\u4f5c\u6570\u636e\u5e93\u90fd\u4f1a\u4ea7\u751f\u4e00\u4e2abinlog\u65e5\u5fd7,\u7136\u540e\u628abinlog\u65e5\u5fd7\u8fdb\u884c\u53d1\u7ed9\u5bf9\u65b9\u8fdb\u884c\u6267\u884c,\u8fd9\u6837\u6570\u636e\u5c31\u4fdd\u6301\u540c\u6b65\u4e86<\/p>\n<p>\u9996\u5148\u8fdb\u5165MySQL\u547d\u4ee4\u884c:<\/p>\n<h4>\u4e3b\u6570\u636e\u5e931:<\/h4>\n<p>\u67e5\u770b\u65e5\u5fd7: show master status;<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118784\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u8bbe\u7f6e\u540c\u6b65:<\/p>\n<pre><code class=\"plain\">change master to master_host = '192.168.10.65',master_user='root1',master_password='root1',master_port=3306,master_log_file='mysql-bin.000002',master_log_pos=154;<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118785\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u5907\u6ce8: master_log_file\u4e0eFile\u503c\u4e00\u81f4, master_log_pos\u4e0ePosition\u503c\u4e00\u81f4<\/p>\n<p>\u5f00\u59cb\u540c\u6b65: start slave;<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118786\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u67e5\u770b\u540c\u6b65\u60c5\u51b5:<\/p>\n<pre><code class=\"plain\">show slave status\/G;<\/code><\/pre>\n<p>\u5f53\u770b\u5230\u4e86\u4e24\u4e2ayes\uff0c\u5373\uff1aSlave_IO_Running: Yes<\/p>\n<p>Slave_SQL_Running: Yes<\/p>\n<p>\u8bf4\u660e\u5df2\u7ecf\u914d\u7f6e\u6210\u529f\u4e86,\u4f46\u662f\u8fd9\u91cc\u6709\u4e00\u4e2a\u663e\u793a\u4e3ano,\u660e\u663e\u6709\u95ee\u9898<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118787\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u89e3\u51b3\u529e\u6cd5:<\/p>\n<pre><code class=\"plain\">stop slave;<\/code><\/pre>\n<pre><code class=\"plain\">reset slave;<\/code><\/pre>\n<pre><code class=\"plain\">start slave;<\/code><\/pre>\n<p>\u7136\u540e\u6211\u4eec\u7ee7\u7eed\u67e5\u770b\u540c\u6b65\u60c5\u51b5;<\/p>\n<pre><code class=\"plain\">show slave status\/G;<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118788\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u7070\u5e38\u5b8c\u7f8e<\/p>\n<h4>\u4e3b\u6570\u636e\u5e932:<\/h4>\n<p>\u8fd9\u91cc\u5176\u5b9e\u8ddf\u4e0a\u9762\u7684\u4e3b\u6570\u5e93\u4e00\u662f\u4e00\u6837\u7684\u64cd\u4f5c<\/p>\n<pre><code class=\"plain\">show master status;<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118789\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<pre><code class=\"plain\">change master to master_host = '192.168.10.51',master_user='root1',master_password='root1',master_port=3306,master_log_file='mysql-bin.000002',master_log_pos=154;<\/code><\/pre>\n<p><strong>\u5907\u6ce8<\/strong>: master_log_file\u4e0eFile\u503c\u4e00\u81f4, master_log_pos\u4e0ePosition\u503c\u4e00\u81f4<\/p>\n<p>\u5f00\u59cb\u540c\u6b65:<\/p>\n<pre><code class=\"plain\">  start slave;<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118790\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u67e5\u770b\u540c\u6b65\u60c5\u51b5:<\/p>\n<pre><code class=\"plain\"> show slave status\/G;<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118791\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u5f53\u770b\u5230\u4e86\u4e24\u4e2ayes\uff0c\u5373\uff1a<\/p>\n<p>Slave_IO_Running: Yes<\/p>\n<p>Slave_SQL_Running: Yes<\/p>\n<p>\u8bf4\u660e\u5df2\u7ecf\u914d\u7f6e\u6210\u529f\u4e86,\u5982\u679c\u8fd9\u91cc\u7684slave_io_Running\u663e\u793ano\u4f9d\u7136\u91c7\u7528\u4e0a\u9762\u7684\u529e\u6cd5\u64cd\u4f5c\u5373\u53ef<\/p>\n<h2>\u5f00\u542f\u9879\u76ee\u6d4b\u8bd5:<\/h2>\n<p>\u5728\u4e3b\u4e00\u548c\u4e3b\u4e8c\u673a\u5668\u4e0a\u5206\u522b\u90e8\u7f72\u9879\u76ee,\u5e76\u4e14\u5bfc\u5165\u76f8\u540c\u7684\u6570\u636e\u5e93,\u7136\u540e\u7528forever\u542f\u52a8,\u8fd9\u4e2a\u5728\u4e4b\u524d\u7684\u90e8\u7f72\u73af\u5883\u5c31\u6709\u8bb2\u8fc7,\u6b64\u5904\u4e0d\u518d\u8d58\u8ff0,\u6211\u4eec\u5f00\u542f\u9879\u76ee<\/p>\n<h3>\u5728\u4e3b\u673a\u4e0a\u5f00\u542f\u673a\u623f:<\/h3>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118792\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<h3>\u5728\u5907\u673a\u4e0a\u4e5f\u5f00\u542f\u673a\u623f:<\/h3>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118793\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u7136\u540e\u6211\u4eec\u5f00\u59cb\u8bbf\u95ee\u8fd9\u4e24\u4e2a\u9879\u76ee(\u6ce8\u610f\u6b64\u65f6\u7684\u9632\u706b\u5899,\u628a8081\u7aef\u53e3\u6253\u5f00):<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118794\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118795\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u6211\u4eec\u53d1\u73b0\u4e24\u4e2a\u9879\u76ee\u90fd\u53ef\u4ee5\u987a\u5229\u7684\u6253\u5f00\uff0c\u8fd9\u65f6\u5019\u6211\u4eec\u5c31\u4f7f\u7528\u865a\u62dfip\u8fdb\u884c\u8bbf\u95ee\uff0c\u56e0\u4e3a\u5b9e\u9645\u6211\u4eec\u4e5f\u662f\u901a\u8fc7\u8fd9\u4e2a\u865a\u62dfip\u8fdb\u884c\u8bbf\u95ee\u7684\uff0c\u6211\u4eec\u7684\u865a\u62dfip\u662f192.168.10.77,\u4e00i\u5c31\u90a3\u4e2a\u53ef\u4ee5\u987a\u5229\u8bbf\u95ee\u4e86\uff0c\u73b0\u5728\u6211\u4eec\u5c31\u5173\u6389\u4e3b\u673a\u7684\u673a\u623f\u7a0b\u5e8f\uff0c\u770b\u4ed6\u80fd\u4e0d\u80fd\u8bbf\u95ee<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118796\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u5173\u6389\u4e3b\u673a\u670d\u52a1:<\/p>\n<pre><code class=\"plain\">forever stopall<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118797\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u6211\u4eec\u8fd8\u9700\u8981\u5427keepalived\u7684\u670d\u52a1\u5173\u4e86\uff0c\u56e0\u4e3akeepalived\u5e76\u4e0d\u77e5\u9053\u6211\u4eec\u7684\u673a\u623f\u7a0b\u5e8f\u5df2\u7ecf\u6302\u4e86\uff0c\u6240\u4ee5\u8981\u65f6\u523b\u76d1\u542c8081\u7aef\u53e3\u7684\u72b6\u6001\uff0c\u5982\u679c8081\u7aef\u53e3\u76d1\u542c\u4e0d\u5230\u90a3\u4e48\u5c31\u505c\u6b62keepalived\u8fd9\u4e2a\u670d\u52a1\uff0c\u4ee5\u4e0b\u662fsheel\u811a\u672c\uff0c\u7136\u540e\u6211\u4eec\u8bbe\u7f6e\u76d1\u542c\u4e00\u5206\u949f\u5373\u53ef<\/p>\n<pre><code class=\"plain\">A=`netstat -lnp | grep 8081 | wc -l`\n\nif [ $A -eq 0 ]; then\n    # echo &quot;keepalived \u5e94\u8be5\u5173\u95ed\u4e86&quot;\n    \/usr\/sbin\/service keepalived stop\nfi<\/code><\/pre>\n<p>\u7136\u540e\u5173\u6389keepalived\u7684\u670d\u52a1\uff1a<\/p>\n<pre><code class=\"plain\">service keepalived stop<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118798\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u73b0\u5728\u6211\u4eec\u7ee7\u7eed\u8bbf\u95ee\u4e3b\u673a\u7684\u7a0b\u5e8f\uff0c\u7136\u540e\u5728\u8bbf\u95ee\u865a\u62dfip<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118799\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\uff0c\u4e3b\u673a\u7a0b\u5e8f\u5df2\u7ecf\u8bbf\u95ee\u4e0d\u5230\uff0c\u90a3\u4e48\u865a\u62dfip\u5462(\u8fd9\u91cc\u6ce8\u610f\u865a\u62dfip\u673a\u5927\u7684\u9632\u706b\u5899\u4e00\u5b9a\u8981\u5173\u95ed\u6216\u8005\u662f\u5f00\u653e8081\u7aef\u53e3)<\/p>\n<p>\u53ef\u4ee5\u770b\u5230,\u865a\u62dfip\u5df2\u7ecf\u98d8\u5230\u5907\u7528\u670d\u52a1\u5668\u4e0a\u4e86,\u8fd9\u65f6\u5019\u5907\u673a\u4e0a\u9762\u5df2\u7ecf\u6709\u4e86\u865a\u62dfip<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118800\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044118801\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u5982\u679c\u73b0\u5728\u4e3b\u673a\u91cd\u65b0\u4e0a\u7ebf,\u865a\u62dfip\u8fd8\u4f1a\u4ece\u5907\u673a\u98d8\u5230\u4e3b\u673a\u4e0a,\u8fd9\u65f6\u5019\u5c31\u4f1a\u4ea7\u751f\u4e00\u4e2a\u73b0\u8c61,\u5c31\u662f\u8111\u88c2<\/p>\n<p>\u6211\u4eec\u542f\u52a8\u4e3b\u673a\u7684\u673a\u623f\u5e76\u4e14\u542f\u52a8keepalived<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000044118747\">https:\/\/segmentfault.com\/a\/1190000044118747<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00\uff1a\u4e3a\u4e86\u51cf\u5c11\u4e09\u7ef4\u6570\u636e\u4e2d\u5fc3\u53ef\u89c6\u5316\u7ba1\u7406\u7cfb\u7edf\u7684\u505c\u5de5\u65f6\u95f4\uff0c\u4fdd\u6301\u5176\u670d\u52a1\u7684\u9ad8\u5ea6\u53ef\u7528\u6027\u3002\u540c\u65f6\u90e8\u7f72\u591a\u5957\u540c\u6837\u7684\u4e09\u7ef4\u53ef\u89c6\u5316\u7cfb\u7edf\uff0c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10008103","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10008103","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10008103"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10008103\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10008103"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10008103"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10008103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}