p;
[root@server11 ~]# cat /usr/local/scripts/redis_fault.sh
#!/bin/bash
LOGFILE="/usr/local/redis2/var/keepalived-redis-state.log"
echo "[fault]" >> $LOGFILE
date >> $LOGFILE
五：主从实例分别启动keepalive进程，测试VIP是否正常(这里就要修改redis配置文件的监听地址为0.0.0.0)
[root@server11 ~]# /usr/local/keepalived/sbin/keepalived -D -f /usr/local/keepalived/etc/keepalived/keepalived.conf
[root@server11 ~]# tail -f /var/log/messages
Dec 12 09:25:49 server11 Keepalived_healthcheckers[7710]: Configuration is using : 5499 Bytes
Dec 12 09:25:49 server11 Keepalived_healthcheckers[7710]: Using LinkWatch kernel netlink reflector...
Dec 12 09:25:49 server11 Keepalived_vrrp[7712]: VRRP sockpool: [ifindex(2), proto(112), fd(12,13)]
Dec 12 09:25:49 server11 Keepalived_vrrp[7712]: VRRP_Script(Monitor_redis) succeeded
Dec 12 09:25:50 server11 Keepalived_vrrp[7712]: VRRP_Instance(VI_1{) Transition to MASTER STATE
Dec 12 09:25:51 server11 Keepalived_vrrp[7712]: VRRP_Instance(VI_1{) Entering MASTER STATE
Dec 12 09:25:51 server11 Keepalived_vrrp[7712]: VRRP_Instance(VI_1{) setting protocol VIPs.
Dec 12 09:25:51 server11 Keepalived_vrrp[7712]: VRRP_Instance(VI_1{) Sending gratuitous ARPs on eth0 for 192.168.1.120
Dec 12 09:25:51 server11 avahi-daemon[4519]: Registering new address record for 192.168.1.120 on eth0.
Dec 12 09:25:51 server11 Keepalived_healthcheckers[7710]: Netlink reflector reports IP 192.168.1.120 added
Dec 12 09:25:51 server11 Keepalived_vrrp[7712]: Netlink reflector reports IP 192.168.1.120 added
Dec 12 09:25:56 server11 Keepalived_vrrp[7712]: VRRP_Instance(VI_1{) Sending gratuitous ARPs on eth0 for 192.168.1.120
[root@server11 ~]# ip a |grep 192
inet 192.168.1.112/24 brd 192.168.1.255 scope global eth0
inet 192.168.1.120/32 scope global eth0
[root@server12 ~]# /usr/local/keepalived/sbin/keepalived -D -f /usr/local/keepalived/etc/keepalived/keepalived.conf
[root@server12 ~]# tail -f /var/log/messages
Dec 12 09:26:55 server12 Keepalived_healthcheckers[3106]: Configuration is using : 5595 Bytes
Dec 12 09:26:55 server12 Keepalived_vrrp[3108]: VRRP_Instance(VI_1{) Entering BACKUP STATE
Dec 12 09:26:55 server12 Keepalived_healthcheckers[3106]: Using LinkWatch kernel netlink reflector...
Dec 12 09:26:55 server12 Keepalived_vrrp[3108]: VRRP sockpool: [ifindex(2), proto(112), fd(12,13)]
Dec 12 09:26:55 server12 Keepalived_vrrp[3108]: VRRP_Script(Monitor_redis) succeeded
[root@server11 ~]# /usr/local/redis2/bin/redis-cli -h 192.168.1.120 -a 123 info |grep -A 3 'Replication'
# Replication
role:master
connected_slaves:1
slave0:192.168.1.113,6379,online
六：主实例写入测试数据，该脚本原则上会写入25条测试数据，不过由于未优化redis默认并发数，会导致一些写入请求失败，最终功写入231839条测 试数据，占内存总大小为25M左右，写入过程中可以观察主从实例的持久化文件变化情况，主实例的持久化文件维持在30k，从实例的则不断的扩展！
[root@server11 ~]# cat test.sh
#!/bin/bash
REDISCLI="/usr/local/redis2/bin/redis-cli -h 192.168.1.120 -a 123 -n 1 SET"
ID=1
while(($ID<50001))