1. OS:
   Version : Cent OS 7.3
        # Private (heartbeat)
           Svr1 : (node1)
           Svr2 : (node2)
           Disk :  Shared storage  : /dev/sdb1
           Vip :
  1. LOG  location

Step #1 : install High Availability Cluster on both node (package)
[root@maria yum.repos.d]# yum install -y pacemaker pcs fence-agents-all

Step# 2 : Firewall service stop and disable (node1, node2)
[root@svr1 ~]# service firewall stop
Redirecting to /bin/systemctl stop firewall.service
[root@svr1 ~]# chkconfig firewalld off

Step# 3 : Configure High Availability Cluster (node1, node 2)
[root@svr2 ~]# echo "redhat" | passwd --stdin hacluster
Changing password for user hacluster.
passwd: all authentication tokens updated successfully.
[root@svr2 ~]# systemctl start pcsd
[root@svr2 ~]# systemctl enable pcsd
Created symlink from /etc/systemd/system/multi-user.target.wants/pcsd.service to /usr/lib/systemd/system/pcsd.service.
[root@svr2 ~]# oot@svr2 ~]# systemctl start pcsd
[root@svr2 ~]# systemctl enable pcsd

[root@svr1 ~]# pcs cluster auth svr1 svr2 -u hacluster
svr1: Authorized
svr2: Authorized
[root@svr1 ~]#

[root@svr1 ~]# pcs cluster setup --name mycluster svr1 svr2
Destroying cluster on nodes: svr1, svr2...
svr2: Stopping Cluster (pacemaker)...
svr1: Stopping Cluster (pacemaker)...
svr1: Successfully destroyed cluster
svr2: Successfully destroyed cluster
Sending 'pacemaker_remote authkey' to 'svr1', 'svr2'
svr2: successful distribution of the file 'pacemaker_remote authkey'
svr1: successful distribution of the file 'pacemaker_remote authkey'
Sending cluster config files to the nodes...
svr1: Succeeded
svr2: Succeeded
Synchronizing pcsd certificates on nodes svr1, svr2...
svr1: Success
svr2: Success
Restarting pcsd on the nodes in order to reload the certificates...
svr1: Success
svr2: Success

[root@svr1 ~]# pcs status
Cluster name: mycluster
WARNING: no stonith devices and stonith-enabled is not false
Stack: corosync
Current DC: svr1 (version 1.1.16-12.el7_4.2-94ff4df) - partition WITHOUT quorum
Last updated: Sun Oct 22 12:03:00 2017
Last change: Sun Oct 22 12:02:23 2017 by hacluster via crmd on svr1
2 nodes configured
0 resources configured
Online: [ svr1, svr2 ]
No resources
Daemon Status:
  corosync: active/enabled
  pacemaker: active/enabled
  pcsd: active/enabled
[root@svr1 ~]#

Step #4 : Create resource for the service High Availability
  1. Virtual IP resource
[root@svr1 ~]# pcs resource create VirtIP IPAddr ip= cidr_netmask=24 op monitor interval=30s

[root@svr1 ~]# pcs property set stonith-enabled=false
[root@svr1 ~]# pcs property set no-quorum-policy=ignore
[root@svr1 ~]# pcs property set default-resource-stickiness="INFINITY"
  1. Share Disk resource
[root@svr1 ~]# pcs resource create fs_dmz_kobis Filesystem device="/dev/sdb1" directory="/var/www/html" fstype="xfs" --group sharedDisk_group

Step #5 : WEB Login ( https://IP:2224)

ID: hacluster
Passwd : redhat

Commad :
  1. Contifure remove :
           root # pcs cluster stop –all 
           root # pcs cluster destroy --all

사업자 정보 표시
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