corosync+pacemaker+httpd

Prepare two machines, three ip

node node01 192.168.1.10 # 1 
node02 192.168.1.11 node # 2 
# prepare an IP, as a virtual ip 
vip 192.168.1.88

Establish interoperability and install software

# Close the two firewalls
systemctl disable firewalld
systemctl STOP firewalld
# in / etc / selinux / config in the enforcing set to disable
enforcing = disable

# Modify the hosts established in node01, and node02 in
192.168.1.10 node01
192.168.1.11 node02

root @ node01: ~ # ssh- keygen # Enter has
root @ node01: ~ # ssh- copy-id node01 # 1 to establish their own exchange, enter yes 2, enter node1 password
root @ node01: ~ # ssh- copy-id node02 node02 # 1 to establish a common input yes 2, enter the password node2
# above is repeated on node02

#建立crmshyum源
root@node01:~#vi /etc/yum.repos.d/crm.repo
name=Stable High Availability/Clustering packages (CentOS_CentOS-7)
type=rpm-md
baseurl=http://download.opensuse.org/repositories/network:/ha-clustering:/Stable/CentOS_CentOS-7/
gpgcheck=1
gpgkey=http://download.opensuse.org/repositories/network:/ha-clustering:/Stable/CentOS_CentOS-7/repodata/repomd.xml.key
enabled=1

@ amdha01 the root: ~ # yum the install -Y corosync Pacemaker crmsh
# same manner the two machines

So far installed modifications /corosync.conf

root@node01:~#vi /etc/corosync/corosync.conf
totem {
        version: 2
        crypto_cipher: none
        crypto_hash: none

        interface {
                ringnumber: 0
                bindnetaddr: 192.168.1.0
                mcastaddr: 239.255.1.1
                mcastport: 5405
                ttl: 1
        }
}

logging {

        fileline: off
        to_stderr: no
        to_logfile: yes
        logfile: /var/log/cluster/corosync.log
        to_syslog: yes
        debug: off
        timestamp: on
        logger_subsys {
                subsys: QUORUM
                debug: off
        }
}

quorum {
        provider: corosync_votequorum
        two_node: 1
}
nodelist{
        node{
                ring0_addr:192.168.1.10
                nodeid: 1
        }

        node{
                ring0_addr:192.168.1.11
                nodeid:2
        }

}
service {
        ver: 0
        name: pacemaker
}
#同步node02代码如下
root@node01:~# scp /ect/corosync/corosync.conf node02:/etc/corosync

corosync configured, start corosync

root@node01:~# systemctl start corosync
root@node01:~# systemctl enable corosync
root@node01:~# systemctl start pacemaker
root@node01:~# systemctl enable packmaker
node02同样操作
root@node02:~# systemctl start corosync
root@node02:~# systemctl enable corosync
root@node02:~# systemctl start pacemaker
root@node02:~# systemctl enable packmaker
查看一下corosync状态
root@node01:~#crm_mon

Mounting two nodes httpd

root@node01:~#yum install httpd -y
root@node01:~#systemctl start httpd
root@node01:~#echo '<h1>192.168.1.10<h1>' > /etc/www/html/index.html
root@node01:~#curl 192.168.1.10
<h1>192.168.1.10</h1>

root@node02:~#yum install httpd -y
root@node02:~#systemctl start httpd
root@node02:~#echo '<h1>192.168.1.11<h1>' > /etc/www/html/index.html
root@node02:~#curl 192.168.1.11
<h1>192.168.1.11</h1>

Configure Site

You can enter edit directly configure it, edit the configuration file directly

root @ node01: ~ # crm_mon this command to view the status of corosync 
primitive webip ocf: heartbeat: IPaddr params ip = 192.168.1.88 # add virtual IP 
primitive the webserver systemd: the httpd # replenishing container 
group webservice webip webserver # to establish a group, the above two into them 
if you want to delete the above content. 
Please to crm (live) #node which perform or stop webserver webservice or webip inside and then to configure or delete webserver webservice or webip 
STANDBY amdha02 # dropped manually setting a node 
line on a node online node02 # 
specific reference commands using crm . 
You can also use pcs into cluster management 
finish here, have the time to add

corosync+pacemaker+httpd

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