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- The role LB (Load Balancer), if two load balancers are used for redundancy
- The role STORE (file storage), if two file stores are setup using DRBD for redundancy
Install PCS Services (Both nodes)
Install the PCS packages:
| Code Block |
|---|
|
yum -y install pacemaker pcs resource-agents fence-agents-all
systemctl enable pcsd
systemctl enable corosync
systemctl enable pacemaker
systemctl start pcsd.service |
Disable Managed Services (Both nodes)
Disable smb and haproxy since these services will be moved and managed by pacemaker:
| Code Block |
|---|
| title | Disable smb and haproxy |
|---|
|
systemctl disable smb
systemctl disable haproxy |
Next configure the firewall for ha services:
| Code Block |
|---|
|
firewall-cmd --zone=public --add-service=high-availability --permanent
firewall-cmd --reload
|
Change user password (Both nodes)
Change the password of the hacluster user:
| Code Block |
|---|
| title | Setup hosts and create user and password |
|---|
|
echo fireball | passwd --stdin hacluster |
Configuration (Only on one node!)
Next configure the names of the machines and the virtual IP address which will be shared in the cluster:
| Code Block |
|---|
| title | Setup hosts and create user and password |
|---|
|
KE_HOST1=uk-acd-store1
KE_HOST2=uk-acd-store2
KE_VIP=10.4.8.22
useradd -m hacluster
echo fireball | passwd --stdin hacluster
|
...
Cluster Configuration (Only on one node!)
Now configure the cluster and set some basic options:
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