版权声明:from 瑾川(fakehydra.xyz) https://blog.csdn.net/fake_hydra/article/details/82970631
yum install -y keepalived
nfs01 上的配置文件
[root@nfs01 ~]# cat /etc/keepalived/keepalived.conf
! Configuration File for keepalived
global_defs {
router_id nfs01
}
vrrp_script check_data {
script "/server/scripts/data.sh"
interval 2
weight 60
}
vrrp_instance oldboy {
state MASTER
interface eth1
virtual_router_id 51
priority 90
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
172.16.1.3/16 dev eth1 label eth1:1
}
track_script {
check_data
}
}
[root@nfs01 ~]# cat /server/scripts/data.sh
#!/bin/bash
# File Name: data.sh
# Author: su-lemon
# Blog: https://lemonsu9.github.io/
# Mail: [email protected]
# Created Time:Wed 19 Sep 2018 11:53:29 PM CST
# Description: This is a test script
nfs_info=$(ps -ef|grep -c nfs)
if [ $nfs_info -ge 4 ]
then
echo "nfs is start~"
exit 0
else
echo "nfs is stop~"
exit 1
fi
echo 'net.ipv4.ip_nonlocal_bind = 1' >>/etc/sysctl.conf
sysctl -p
/etc/init.d/keepalived start
rsync 上的配置文件
[root@backup ~]# cat /etc/keepalived/keepalived.conf
! Configuration File for keepalived
global_defs {
router_id backup
}
vrrp_instance oldboy {
state BACKUP
interface eth1
virtual_router_id 51
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
172.16.1.3/16 dev eth1 label eth1:1
}
}
在backup 的/etc/rsyncd.conf 配置文件中添加一个data模块,并将uid gid 改为www
[root@backup ~]# cat /etc/rsyncd.conf
uid = www
gid = www
use chroot = no
max connections = 20
timeout = 300
pid file = /var/run/rsyncd.pid
lock file = /var/run/rsync.lock
log file = /var/log/rsyncd.log
ignore errors
read only = false
list = false
hosts allow = 172.16.1.0/24
hosts deny = 0.0.0.0/32
auth users = rsync_backup
secrets file = /etc/rsync.password
[backup]
comment = "backup dir by oldboy"
path = /backup
[data]
path = /data
nfs 服务的配置文件
nfs01 和 backup 一样
[root@nfs01 ~]# cat /etc/exports
#share /data by su-lemon for share at 20180918
/data/www 172.16.1.0/24(rw,sync,no_all_squash,root_squash,anonuid=666,anongid=666)
/data/blog 172.16.1.0/24(rw,sync,no_all_squash,root_squash,anonuid=666,anongid=666)
/data/bbs 172.16.1.0/24(rw,sync,no_all_squash,root_squash,anonuid=666,anongid=666)
[root@backup ~]# ll /data
total 12
drwxrwxrwx 2 www www 4096 Sep 20 00:17 bbs
drwxrwxrwx 2 www www 4096 Sep 20 00:17 blog
drwxrwxrwx 2 www www 4096 Sep 20 00:17 www
[root@nfs01 ~]# ll /data
total 12
drwxrwxrwx 2 www www 4096 Sep 19 13:18 bbs
drwxrwxrwx 2 www www 4096 Sep 19 13:18 blog
drwxrwxrwx 2 www www 4096 Sep 19 13:18 www
data目录权限777 所属组和主 为www
将服务设为开机自启
chkconfig nfs on
chkconfig keepalived on
对web服务器上的网站上传目录进行挂载
[root@web01 ~]# ll /tmp
total 964
-rw-r--r-- 1 root root 962858 Sep 18 11:22 bak.sql
drwxr-xr-x 21 root root 4096 Sep 20 08:38 DedeCMS_bak
drwxr-xr-x 11 root root 4096 Sep 20 08:44 Discuz_bak
drwxr-xr-x 3 root root 4096 Sep 18 10:20 pear
drwxr-xr-x 3 root root 4096 Sep 20 08:39 wordpress_bak
drwxrwxrwx 3 www www 4096 Sep 19 11:44 www
-rw-------. 1 root root 0 Sep 17 20:44 yum.log
将数据迁移出来(web 01,02,03 一样)
[root@web01 ~]# mv /application/nginx/html/www/uploads/* /tmp/DedeCMS_bak/
[root@web01 ~]# mv /application/nginx/html/blog/wp-content/uploads/* /tmp/wordpress_bak/
[root@web01 ~]# mv /application/nginx/html/bbs/upload/data/attachment/* /tmp/Discuz_bak/
挂载(web 01,02,03 一样)
[root@web01 ~]# mount -t nfs 172.16.1.3:/data/www /application/nginx/html/www/uploads/data/
[root@web01 ~]# mount -t nfs 172.16.1.3:/data/bbs /application/nginx/html/bbs/upload/data/attachment/
[root@web01 ~]# mount -t nfs 172.16.1.3:/data/blog /application/nginx/html/blog/wp-content/uploads/
[root@web01 ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 48G 3.8G 42G 9% /
tmpfs 190M 0 190M 0% /dev/shm
/dev/sda1 190M 35M 146M 19% /boot
172.16.1.3:/data/www 48G 1.5G 44G 4% /application/nginx-1.14/html/www/uploads/data
172.16.1.3:/data/bbs 48G 1.5G 44G 4% /application/nginx-1.14/html/bbs/upload/data/attachment
172.16.1.3:/data/blog
48G 1.5G 44G 4% /application/nginx-1.14/html/blog/wp-content/uploads
将数据移回去(web01),但是只需要将web01 上的数据移动回去,web02 web03 不需要将数据移动回去
[root@web01 wordpress_bak]# cp -r /tmp/wordpress_bak/* /application/nginx/html/blog/wp-content/uploads/
[root@web01 wordpress_bak]# cp -r /tmp/Discuz_bak/* /application/nginx/html/bbs/upload/data/attachment/
[root@web01 wordpress_bak]# cp -r /tmp/DedeCMS_bak/* /application/nginx/html/www/uploads/data/