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сервис_keepalived [2022/09/24 17:15] val [Настройка балансировки нагрузки] |
сервис_keepalived [2024/02/26 17:11] val [Настройка балансировки нагрузки] |
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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 ==== | ===== Установка ==== | ||
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===== Настройка VRRP ==== | ===== Настройка VRRP ==== | ||
+ | |||
+ | * Разобраться: как ведет себя в случае link down eth1/2 | ||
+ | * [[https://github.com/acassen/keepalived/blob/master/doc/samples/keepalived.conf.vrrp.routes]] | ||
+ | |||
<code> | <code> | ||
nodeN# cat /etc/keepalived/keepalived.conf | nodeN# cat /etc/keepalived/keepalived.conf | ||
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# 172.16.2.X/24 dev eth2 | # 172.16.2.X/24 dev eth2 | ||
} | } | ||
+ | # virtual_routes { | ||
+ | # 0.0.0.0/0 via 172.16.1.254 dev eth1 | ||
+ | # } | ||
notify_backup "/usr/local/bin/vrrp.sh BACKUP" | notify_backup "/usr/local/bin/vrrp.sh BACKUP" | ||
notify_master "/usr/local/bin/vrrp.sh MASTER" | notify_master "/usr/local/bin/vrrp.sh MASTER" | ||
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virtual_server 172.16.1.X 1194 { | virtual_server 172.16.1.X 1194 { | ||
protocol UDP | protocol UDP | ||
+ | lb_algo wlc | ||
+ | lb_kind NAT | ||
real_server 192.168.X.201 1194 { | real_server 192.168.X.201 1194 { | ||
weight 1 | weight 1 | ||
Line 92: | Line 102: | ||
#virtual_server 172.16.1.X 80 { | #virtual_server 172.16.1.X 80 { | ||
# protocol TCP | # protocol TCP | ||
+ | # lb_algo wlc | ||
+ | # lb_kind NAT | ||
# real_server 192.168.X.10 82 {} | # real_server 192.168.X.10 82 {} | ||
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# real_server 192.168.X.203 NNNNN {TCP_CHECK {}} | # real_server 192.168.X.203 NNNNN {TCP_CHECK {}} | ||
# ... | # ... | ||
+ | # real_server 192.168.X.10 80 {} | ||
#} | #} | ||
</code> | </code> | ||
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# watch "service keepalived status | cat" | # watch "service keepalived status | cat" | ||
- | # ipvsadm -L -n | + | # watch ipvsadm -L -n |
+ | |||
+ | # ipvsadm -L -n -c | ||
</code> | </code> |