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сервис_keepalived [2022/06/16 11:29] val |
сервис_keepalived [2022/08/15 19:02] val [Запуск и мониторинг] |
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* [[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://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]] | * [[https://habr.com/ru/post/524688/|Отказоустойчивый кластер с балансировкой нагрузки с помощью keepalived]] | ||
+ | |||
+ | ===== Установка ==== | ||
<code> | <code> | ||
- | nodeN# apt install keepalived | + | # apt install keepalived |
+ | </code> | ||
+ | ===== Настройка VRRP ==== | ||
+ | <code> | ||
nodeN# cat /etc/keepalived/keepalived.conf | nodeN# cat /etc/keepalived/keepalived.conf | ||
</code><code> | </code><code> | ||
Line 49: | Line 54: | ||
</code><code> | </code><code> | ||
nodeN# chmod +x /usr/local/bin/vrrp.sh | nodeN# chmod +x /usr/local/bin/vrrp.sh | ||
+ | </code> | ||
- | nodeN# service keepalived restart | + | ===== Настройка балансировки нагрузки ===== |
+ | <code> | ||
+ | gate# cat /etc/keepalived/keepalived.conf | ||
+ | </code><code> | ||
+ | virtual_server 172.16.1.X 1194 { | ||
+ | delay_loop 1 | ||
+ | protocol UDP | ||
+ | lb_algo wrr # makes no difference | ||
+ | lb_kind NAT # no difference too | ||
+ | real_server 192.168.X.201 1194 { | ||
+ | weight 1 | ||
+ | TCP_CHECK { | ||
+ | connect_timeout 3 | ||
+ | connect_port 7505 | ||
+ | } | ||
+ | } | ||
+ | real_server 192.168.X.202 1194 { | ||
+ | weight 1 | ||
+ | TCP_CHECK { | ||
+ | connect_timeout 3 | ||
+ | connect_port 7505 | ||
+ | } | ||
+ | } | ||
+ | # real_server 192.168.X.203 1194 { | ||
+ | # weight 1 | ||
+ | # TCP_CHECK { | ||
+ | # connect_timeout 3 | ||
+ | # connect_port 7505 | ||
+ | # } | ||
+ | # } | ||
+ | } | ||
+ | </code> | ||
+ | |||
+ | ===== Запуск и мониторинг ===== | ||
+ | <code> | ||
+ | # keepalived -t | ||
+ | |||
+ | # service keepalived restart | ||
# watch "service keepalived status | cat" | # watch "service keepalived status | cat" | ||
+ | |||
+ | # ipvsadm -L -n | ||
</code> | </code> |