{"id":487,"title":"\u5b9e\u6218\uff1alvs(DR\u6a21\u5f0f)+Keepalived+nginx\u642d\u5efa\u9ad8\u53ef\u7528\u96c6\u7fa43-keepalived\u5b89\u88c5\u53ca\u914d\u7f6e","good":0,"bad":0,"hit":2240,"created_at":"2020-06-09 11:14:10","content":"<p>\u4e0b\u8f7d\uff1awget <a href=\"https:\/\/www.keepalived.org\/software\/keepalived-2.0.20.tar.gz\">https:\/\/www.keepalived.org\/software\/keepalived-2.0.20.tar.gz<\/a> <\/p><p>tar -zxvf keepalived-2.0.20.tar.gz<\/p><p>cd keepalived-2.0.20<\/p><p>.\/configure --prefix=\/usr\/local\/keepalived --sysconf=\/etc<\/p><p>make &amp;&amp; make install<\/p><p><br\/><\/p><p>\u5c06keepalived\u505a\u4e3a\u7cfb\u7edf\u670d\u52a1\uff1a<\/p><p>\u7136\u540e\u8fdb\u5165\u6e90\u7801\u76ee\u5f55<\/p><p>[root@localhost etc]# pwd<\/p><p>\/root\/keepalived-2.0.20\/keepalived\/etc<\/p><p>[root@localhost etc]# cp init.d\/keepalived \/etc\/init.d\/<\/p><p>[root@localhost etc]# cp sysconfig\/keepalived \/etc\/sysconfig\/<\/p><p>cp\uff1a\u662f\u5426\u8986\u76d6&quot;\/etc\/sysconfig\/keepalived&quot;\uff1f y<\/p><p>[root@localhost etc]# systemctl daemon-reload<\/p><p>[root@localhost etc]# systemctl start keepalived.service<\/p><p><br\/><\/p><p>\u4fee\u6539\/etc\/keepalived\/keepalived.conf<\/p><p>keepalived\u4e3b\u673a\u4e0a\u914d\u7f6e\uff1a<\/p><pre class=\"brush:bash;toolbar:false\">!&nbsp;Configuration&nbsp;File&nbsp;for&nbsp;keepalived\n\nglobal_defs&nbsp;{\n&nbsp;&nbsp;&nbsp;#lvs\u4e3b\u673a\u6240\u5728ip\u4e3a200\uff0c\u65b9\u4fbf\u8bb0\u5fc6\n&nbsp;&nbsp;&nbsp;router_id&nbsp;LVS_200\n}\n\nvrrp_instance&nbsp;VI_1&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;#\u8fd9\u662f\u4e3b\u673a\n&nbsp;&nbsp;&nbsp;&nbsp;state&nbsp;MASTER\n&nbsp;&nbsp;&nbsp;&nbsp;#200\u90a3\u53f0\u673a\u5668\u7684\u771f\u5b9e\u7f51\u5361\u540d\n&nbsp;&nbsp;&nbsp;&nbsp;interface&nbsp;enp0s3\n&nbsp;&nbsp;&nbsp;&nbsp;#200\u90a3\u53f0\u673a\u5668\u7684\u865a\u62dfip\u8bbe\u7f6e\u7684\u662f150\n&nbsp;&nbsp;&nbsp;&nbsp;virtual_router_id&nbsp;150\n&nbsp;&nbsp;&nbsp;&nbsp;#\u6743\u91cd\n&nbsp;&nbsp;&nbsp;&nbsp;priority&nbsp;100\n&nbsp;&nbsp;&nbsp;&nbsp;#\u5fc3\u8df3\u95f4\u9694\uff1a\u79d2\n&nbsp;&nbsp;&nbsp;&nbsp;advert_int&nbsp;1\n&nbsp;&nbsp;&nbsp;&nbsp;#lvs\u5e10\u53f7\u53ca\u5bc6\u7801\n&nbsp;&nbsp;&nbsp;&nbsp;authentication&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;auth_type&nbsp;PASS\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;auth_pass&nbsp;1111\n&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;#\u865a\u62dfip\n&nbsp;&nbsp;&nbsp;&nbsp;virtual_ipaddress&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;192.168.1.150\n&nbsp;&nbsp;&nbsp;&nbsp;}\n}\n\n#\u865a\u62df\u673a\u8bbe\u7f6e\nvirtual_server&nbsp;192.168.1.150&nbsp;80&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;#\u5065\u5eb7\u68c0\u67e5\u65f6\u95f4\uff1a\u79d2\n&nbsp;&nbsp;&nbsp;&nbsp;delay_loop&nbsp;6\n&nbsp;&nbsp;&nbsp;&nbsp;#\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5\uff1arr\u8f6e\u5faa\n&nbsp;&nbsp;&nbsp;&nbsp;lb_algo&nbsp;rr\n&nbsp;&nbsp;&nbsp;&nbsp;lb_kind&nbsp;DR&nbsp;#&nbsp;\u8bbe\u7f6eLVS\u5b9e\u73b0\u8d1f\u8f7d\u7684\u673a\u5236\uff0c\u6709NAT\u3001TUN\u3001DR\u4e09\u4e2a\u6a21\u5f0f\n&nbsp;&nbsp;&nbsp;&nbsp;#\u4f1a\u8bdd\u6301\u4e45\u5316\u65f6\u95f4\n&nbsp;&nbsp;&nbsp;&nbsp;persistence_timeout&nbsp;50\n&nbsp;&nbsp;&nbsp;&nbsp;#\u534f\u8bae\n&nbsp;&nbsp;&nbsp;&nbsp;protocol&nbsp;TCP\n&nbsp;&nbsp;&nbsp;&nbsp;#\u771f\u673a\u53ca\u6743\u91cd\u7b49\u8bbe\u7f6e\n&nbsp;&nbsp;&nbsp;&nbsp;real_server&nbsp;192.168.1.210&nbsp;80&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;weight&nbsp;1\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;TCP_CHECK&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#\u68c0\u67e5\u7aef\u53e3\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;connect_port&nbsp;80\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#\u8d85\u65f6\u65f6\u95f4\uff1a\u79d2\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;connect_timeout&nbsp;2\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#\u91cd\u8bd5\u6b21\u6570\uff1a\u6b21\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;nb_get_retry&nbsp;2\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#\u95f4\u9694\u65f6\u95f4\uff1a\u79d2\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;delay_before_retry&nbsp;3\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;real_server&nbsp;192.168.1.220&nbsp;80&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;weight&nbsp;1\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;TCP_CHECK&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#\u68c0\u67e5\u7aef\u53e3\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;connect_port&nbsp;80\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#\u8d85\u65f6\u65f6\u95f4\uff1a\u79d2\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;connect_timeout&nbsp;2\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#\u91cd\u8bd5\u6b21\u6570\uff1a\u6b21\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;nb_get_retry&nbsp;2\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#\u95f4\u9694\u65f6\u95f4\uff1a\u79d2\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;delay_before_retry&nbsp;3\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;real_server&nbsp;192.168.1.220&nbsp;80&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;weight&nbsp;1\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;TCP_CHECK&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#\u68c0\u67e5\u7aef\u53e3\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;connect_port&nbsp;80\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#\u8d85\u65f6\u65f6\u95f4\uff1a\u79d2\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;connect_timeout&nbsp;2\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#\u91cd\u8bd5\u6b21\u6570\uff1a\u6b21\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;nb_get_retry&nbsp;2\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#\u95f4\u9694\u65f6\u95f4\uff1a\u79d2\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;delay_before_retry&nbsp;3\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n\n&nbsp;&nbsp;&nbsp;&nbsp;}\n}<\/pre><p><br\/><\/p><p>keepalived\u4ece\u673a\u4e0a\u914d\u7f6e\uff1a<\/p><pre class=\"brush:bash;toolbar:false\">!&nbsp;Configuration&nbsp;File&nbsp;for&nbsp;keepalived\n\nglobal_defs&nbsp;{\n&nbsp;&nbsp;&nbsp;#lvs\u4e3b\u673a\u6240\u5728ip\u4e3a190\uff0c\u65b9\u4fbf\u8bb0\u5fc6\n&nbsp;&nbsp;&nbsp;router_id&nbsp;LVS_190\n}\n\nvrrp_instance&nbsp;VI_1&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;#\u8fd9\u662f\u4ece\u673a\n&nbsp;&nbsp;&nbsp;&nbsp;state&nbsp;BACKUP\n&nbsp;&nbsp;&nbsp;&nbsp;#200\u90a3\u53f0\u673a\u5668\u7684\u771f\u5b9e\u7f51\u5361\u540d\n&nbsp;&nbsp;&nbsp;&nbsp;interface&nbsp;enp0s3\n&nbsp;&nbsp;&nbsp;&nbsp;#200\u90a3\u53f0\u673a\u5668\u7684\u865a\u62dfip\u8bbe\u7f6e\u7684\u662f150\n&nbsp;&nbsp;&nbsp;&nbsp;virtual_router_id&nbsp;150\n&nbsp;&nbsp;&nbsp;&nbsp;#\u6743\u91cd\uff1a\u4ece\u673a\u6bd4\u4e3b\u673a\u8bbe\u7f6e\u5f97\u5c0f\u4e00\u70b9\n&nbsp;&nbsp;&nbsp;&nbsp;priority&nbsp;80\n&nbsp;&nbsp;&nbsp;&nbsp;#\u5fc3\u8df3\u95f4\u9694\uff1a\u79d2\n&nbsp;&nbsp;&nbsp;&nbsp;advert_int&nbsp;1\n&nbsp;&nbsp;&nbsp;&nbsp;#lvs\u5e10\u53f7\u53ca\u5bc6\u7801\n&nbsp;&nbsp;&nbsp;&nbsp;authentication&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;auth_type&nbsp;PASS\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;auth_pass&nbsp;1111\n&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;#\u865a\u62dfip\n&nbsp;&nbsp;&nbsp;&nbsp;virtual_ipaddress&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;192.168.1.150\n&nbsp;&nbsp;&nbsp;&nbsp;}\n}\n\n#\u865a\u62df\u673a\u8bbe\u7f6e\nvirtual_server&nbsp;192.168.1.150&nbsp;80&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;#\u5065\u5eb7\u68c0\u67e5\u65f6\u95f4\uff1a\u79d2\n&nbsp;&nbsp;&nbsp;&nbsp;delay_loop&nbsp;6\n&nbsp;&nbsp;&nbsp;&nbsp;#\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5\uff1arr\u8f6e\u5faa\n&nbsp;&nbsp;&nbsp;&nbsp;lb_algo&nbsp;rr\n&nbsp;&nbsp;&nbsp;&nbsp;lb_kind&nbsp;DR&nbsp;#&nbsp;\u8bbe\u7f6eLVS\u5b9e\u73b0\u8d1f\u8f7d\u7684\u673a\u5236\uff0c\u6709NAT\u3001TUN\u3001DR\u4e09\u4e2a\u6a21\u5f0f\n&nbsp;&nbsp;&nbsp;&nbsp;#\u4f1a\u8bdd\u6301\u4e45\u5316\u65f6\u95f4\n&nbsp;&nbsp;&nbsp;&nbsp;persistence_timeout&nbsp;50\n&nbsp;&nbsp;&nbsp;&nbsp;#\u534f\u8bae\n&nbsp;&nbsp;&nbsp;&nbsp;protocol&nbsp;TCP\n&nbsp;&nbsp;&nbsp;&nbsp;#\u771f\u673a\u53ca\u6743\u91cd\u7b49\u8bbe\u7f6e\n&nbsp;&nbsp;&nbsp;&nbsp;real_server&nbsp;192.168.1.210&nbsp;80&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;weight&nbsp;1\n\tTCP_CHECK&nbsp;{\n\t&nbsp;&nbsp;&nbsp;&nbsp;#\u68c0\u67e5\u7aef\u53e3\n\t&nbsp;&nbsp;&nbsp;&nbsp;connect_port&nbsp;80\n\t&nbsp;&nbsp;&nbsp;&nbsp;#\u8d85\u65f6\u65f6\u95f4\uff1a\u79d2\n\t&nbsp;&nbsp;&nbsp;&nbsp;connect_timeout&nbsp;2\n\t&nbsp;&nbsp;&nbsp;&nbsp;#\u91cd\u8bd5\u6b21\u6570\uff1a\u6b21\n\t&nbsp;&nbsp;&nbsp;&nbsp;nb_get_retry&nbsp;2\n\t&nbsp;&nbsp;&nbsp;&nbsp;#\u95f4\u9694\u65f6\u95f4\uff1a\u79d2\n\t&nbsp;&nbsp;&nbsp;&nbsp;delay_before_retry&nbsp;3\n\t}\n&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;real_server&nbsp;192.168.1.220&nbsp;80&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;weight&nbsp;1\n\tTCP_CHECK&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#\u68c0\u67e5\u7aef\u53e3\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;connect_port&nbsp;80\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#\u8d85\u65f6\u65f6\u95f4\uff1a\u79d2\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;connect_timeout&nbsp;2\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#\u91cd\u8bd5\u6b21\u6570\uff1a\u6b21\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;nb_get_retry&nbsp;2\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#\u95f4\u9694\u65f6\u95f4\uff1a\u79d2\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;delay_before_retry&nbsp;3\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n\n&nbsp;&nbsp;&nbsp;&nbsp;}\n}<\/pre><p><br\/><\/p>"}