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--- сервис_keepalived [2022/06/16 11:29]
val
+++ сервис_keepalived [2022/10/27 10:10]
val [Настройка VRRP]
@@ Line 3: / Line 3: @@
   * [[https://winitpro.ru/index.php/2019/09/09/keepalived-ha-balansirovka-plavayushhiy-ip-adres/|Keepalived: настройка высокой доступности и плавающих IP адресов в CentOS 7]]
   * [[https://habr.com/ru/post/524688/|Отказоустойчивый кластер с балансировкой нагрузки с помощью keepalived]]
+===== Установка ====
 <code>
-nodeN# apt install keepalived
+# apt install keepalived
+</code>
+===== Настройка VRRP ====
+  * Разобраться: как ведет себя в случае link down eth1/2
+<code>
 nodeN# cat /etc/keepalived/keepalived.conf
 </code><code>
@@ Line 49: / Line 58: @@
 </code><code>
 nodeN# chmod +x /usr/local/bin/vrrp.sh
+</code>
-nodeN# service keepalived restart
+===== Настройка балансировки нагрузки  =====
+  * [[https://habr.com/ru/post/104621/|Балансировка нагрузки с LVS]]
+<code>
+gate# cat /etc/keepalived/keepalived.conf
+</code><code>
+# prod_nodes
+virtual_server 172.16.1.X 1194 {
+  protocol UDP
+  real_server 192.168.X.201 1194 {
+    weight 1
+    TCP_CHECK {
+        connect_port 7505
+    }
+  }
+  real_server 192.168.X.202 1194 {
+    weight 1
+    TCP_CHECK {
+        connect_port 7505
+    }
+  }
+}
+# test_nodes
+virtual_server 172.16.1.X 2194 {
+  real_server 192.168.X.203 1194 {
+    TCP_CHECK {
+        connect_port 7505
+    }
+  }
+}
+#virtual_server 172.16.1.X 80 {
+#  protocol TCP
+#  real_server 192.168.X.10 82 {}
+#  real_server 192.168.X.10 8000 {}
+#  real_server 192.168.X.10 NNNNN {TCP_CHECK {}}
+#  ...
+#  real_server 192.168.X.201 NNNNN {TCP_CHECK {}}
+#  ...
+#  real_server 192.168.X.203 NNNNN {TCP_CHECK {}}
+#  ...
+#}
+</code>
+===== Запуск и мониторинг =====
+<code>
+# keepalived -t
+# service keepalived restart
 # watch "service keepalived status | cat"
+# watch ipvsadm -L -n
 </code>

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