PostgreSQL_EDB With HA Cluster

Lab Setup Requrement

  • VM with RHEL 8 minimum 2 GB RAM 20 GB Free space
  • EDB credentials for EDB Repos 2.0
  • Internet access

Prerequisite

  • RHEL 8 subscribe with Redhat

  • Ensure that all servers can use ssh/scp passwordless communication

  • Proʀde SSH access

  • Proʀde SUDO priʀleges

  • Adjust firewall to allow EFM agents to communicate on ports 7800 and 7810

  • Adjust firewall to allow communication on designated database port between Database

  • servers, EFM, and PEM server: typically port 5444

  • Access to ping 8.8.8.8 or another internal server that should always answer

  • Reserve an IP address on the same subnet as all servers for the VIP (Virtual IP Address)

  • The following components will be installed on each of the servers Components

RHEL Subscribe

  • Create RHN id / RedHat account in redhat
  • Register System with redhat
  • Attach pool for ansible
  • Enable repos for ansible
  • dnf install ansible -y

Subscribe your system with Redhat

subscription-manager register
subscription-manager list --available
subscription-manager attach --pool=<pool id>

Install Common Package for every Server

dnf -y install vim          ### Text Editor
dnf -y install net-tools    ### IP Address and Network 
dnf -y install rsync        ### Copy file 
dnf -y install chrony       ### Date and time 
dnf -y update               ### Update system 

Installation Step with details