2013年4月24日 星期三

簡單的 linux H.A 架構 keepalived (linux vrrp)

透過 keepalived 達成簡單的 linux H.A 架構. (linux vrrp)
http://www.keepalived.org/




[root@Test-Tomcat1 ~]# cat /etc/keepalived/keepalived.conf
! Configuration File for keepalived
global_defs {
   notification_email {
     xrcd2@xrcd2.com.tw
   }
   notification_email_from keepalived@xrcd2.com.tw
   smtp_server 192.168.1.100
   smtp_connect_timeout 30
   router_id NodeA
}
vrrp_instance VI_1 {
    state MASTER
    interface eth0
    virtual_router_id 1
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1234
    }
    virtual_ipaddress {
        192.168.1.3
    }
}

[root@Test-Tomcat2 ~]# cat /etc/keepalived/keepalived.conf
! Configuration File for keepalived
global_defs {
   notification_email {
     xrcd2@xrcd2.com.tw
   }
   notification_email_from keepalived@xrcd2.com.tw
   smtp_server 192.168.1.100
   smtp_connect_timeout 30
   router_id NodeB
}
vrrp_instance VI_1 {
    state BACKUP
    interface eth0
    virtual_router_id 1
    priority 90
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1234
    }
    virtual_ipaddress {
        192.168.1.3
    }
}

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