2024-07-08
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Nome di Servizio | indirizzo IP | Servire |
---|---|---|
LVS1 | 192.168.100.110 | mantieni attivo ipvsadm |
LVS2 | 192.168.100.111 | mantieni attivo ipvsadm |
nginx1 | 192.168.100.113 | nginx |
nginx2 | 192.168.100.114 | nginx |
non-fis | 192.168.100.116 | utilità nfs |
web1 | 192.168.100.118 | utilità nfs php httpd |
web2 | 192.168.100.119 | utilità nfs php httpd |
il mio sql | 192.168.100.121 | il mio sql |
IP virtuale
Nome di Servizio | indirizzo IP | Servire |
---|---|---|
IP virtuale | 192.168.100.100 | nginx mantiene in vita |
Spegni il muro di protezione, selinux
# 关闭防火墙
systemctl stop firewalld
# 关闭selinux
setenforce 0
Imposta ip: 192.168.100.110
# 编辑网卡信息
vi /etc/sysconfig/network-scripts/ifcfg-ens33
# 修改
BOOTPROTO=static
ONBOOT=yes
# 写入
IPADDR=192.168.100.110
NETMASK=255.255.255.0
GATEWAY=192.168.100.2
Scarica keepalived e ipvsadm
yum -y install keepalived ipvsadm
Eseguire il backup del file di configurazione predefinito
cp -p /etc/keepalived/keepalived.conf /etc/keepalived/keepalived.conf.bak
Elimina i file originali e crea nuovi contenuti
# 删除原有文件
rm -rf /etc/keepalived/keepalived.conf
# 创建新文件
vi /etc/keepalived/keepalived.conf
Aggiungi il seguente contenuto
! Configuration File for keepalived
# 配置双机热备(主)
lobal_defs {
router_id 1
}
vrrp_instance VI_1 {
state MASTER
interface ens33
virtual_router_id 1
priority 120
advert_int 1
authentication {
auth_type PASS
auth_pass 123456
}
virtual_ipaddress {
192.168.100.100
}
}
# 虚拟服务器ip及mysql地址
virtual_server 192.168.100.100 80 {
delay_loop 15
lb_algo rr
lb_kind DR
protocol TCP
real_server 192.168.100.113 80 {
weight 1
TCP_CHECK {
connect_port 80
connect_timeout 3
nb_get_retry 3
delay_before_retry 4
}
}
real_server 192.168.100.114 80 {
weight 1
TCP_CHECK {
connect_port 80
connect_timeout 3
nb_get_retry 3
delay_before_retry 4
}
}
}
Inizia a mantenere vivo
systemctl start keepalived
Modulo di servizio
# 加载系统内核的服务模块
modprobe ip_vs
# 查看运行状态
lsmod | grep ip_vs
Scarica gli strumenti di rete in rete
yum -y install net-tools
Visualizza le informazioni sulla scheda di rete
# 停用物理网卡
ifconfig ens33 down
# 启动物理网卡(如在连接工具上,需到虚拟机上启动)
ifconfig ens33 up
# 查看网卡信息(在ens33网卡下是否有ip:192.168.100.100)
ip a
# 查看LVS-DR群集策略规则
ipvsadm -ln
Strategia del cluster LVS-DR
# 查看策略
ipvsadm -ln
Spegni il muro di protezione, selinux
# 关闭防火墙
systemctl stop firewalld
# 关闭selinux
setenforce 0
Imposta ip: 192.168.100.111
# 编辑网卡信息
vi /etc/sysconfig/network-scripts/ifcfg-ens33
# 修改
BOOTPROTO=static
ONBOOT=yes
# 写入
IPADDR=192.168.100.111
NETMASK=255.255.255.0
GATEWAY=192.168.100.2
Scarica keepalived e ipvsadm
yum -y install keepalived ipvsadm
Eseguire il backup del file di configurazione predefinito
cp -p /etc/keepalived/keepalived.conf /etc/keepalived/keepalived.conf.bak
Elimina i file originali e crea nuovi contenuti
# 删除原有文件
rm -rf /etc/keepalived/keepalived.conf
# 创建新文件
vi /etc/keepalived/keepalived.conf
Aggiungi il seguente contenuto
! Configuration File for keepalived
# 配置双机热备(备)
lobal_defs {
router_id 2
}
vrrp_instance VI_1 {
state BACKUP
interface ens33
virtual_router_id 1
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass 123456
}
virtual_ipaddress {
192.168.100.100
}
}
# 虚拟服务器ip及mysql地址
virtual_server 192.168.100.100 80 {
delay_loop 15
lb_algo rr
lb_kind DR
protocol TCP
real_server 192.168.100.113 80 {
weight 1
TCP_CHECK {
connect_port 80
connect_timeout 3
nb_get_retry 3
delay_before_retry 4
}
}
real_server 192.168.100.114 80 {
weight 1
TCP_CHECK {
connect_port 80
connect_timeout 3
nb_get_retry 3
delay_before_retry 4
}
}
}
Inizia a mantenere vivo
systemctl start keepalived
Modulo di servizio
# 加载系统内核的服务模块
modprobe ip_vs
# 查看运行状态
lsmod | grep ip_vs
Scarica gli strumenti di rete in rete
yum -y install net-tools
Visualizza le informazioni sulla scheda di rete
# 停用物理网卡
ifconfig ens33 down
# 启动物理网卡(如在连接工具上,需到虚拟机上启动)
ifconfig ens33 up
# 查看网卡信息(在ens33网卡下是否有ip:192.168.100.100)
ip a
# 查看LVS-DR群集策略规则
ipvsadm -ln
Strategia del cluster LVS-DR
# 查看策略
ipvsadm -ln
Spegni il firewall, selinux
# 关闭防火墙
systemctl stop firewalld
# 关闭selinux
setenforce 0
Imposta ip: 192.168.100.113
# 编辑网卡信息
vi /etc/sysconfig/network-scripts/ifcfg-ens33
# 修改
BOOTPROTO=static
ONBOOT=yes
# 写入
IPADDR=192.168.100.113
NETMASK=255.255.255.0
GATEWAY=192.168.100.2
Scarica nginx, ambiente keepalived
# 配置nginx下载源
cat