Requirements

Hardware

• RAM: 2GB recommended

Operating system

• Centos 7
• Ubuntu 16.04 (Server)
• Ubuntu 18.04 (Server)

System

• SELinux or AppArmor are disabled

# RedHat
sudo sed -i -e 's@^SELINUX=enforcing$@SELINUX=disabled@g' /etc/selinux/config
sudo setenforce 0
sudo systemctl disable selinux.service

# Ubuntu
sudo systemctl stop apparmor.service
sudo update-rc.d -f apparmor remove

• root privileges are required (using sudo)

# /etc/sudoers
john    ALL=(ALL)    NOPASSWD: ALL

• All nodes must have different hostnames
• /var/lib partition must support Extended Attributes: XFS is recommended

[root@centos ~]# df /var/lib
Filesystem     1K-blocks    Used Available Use% Mounted on
/dev/vda1       41931756 1624148  40307608   4% /
[root@centos ~]# file -sL /dev/vda1
/dev/vda1: SGI XFS filesystem data (blksz 4096, inosz 512, v2 dirs)

• System must be up-to-date

# RedHat
sudo yum update -y
sudo reboot

# Ubuntu
sudo apt update -y
sudo apt upgrade -y
sudo reboot

Network

• All nodes connected to the same LAN through the specified interface (first one by default)
• Firewall is disabled

# RedHat
sudo systemctl stop firewalld.service
sudo systemctl disable firewalld.service

# Ubuntu
sudo ufw disable
sudo systemctl disable ufw.service

Setup

You only need to do this setup on the node that will install the others.

• Install Ansible (official guide)
• Install git for download requirements
• Clone the OpenIO ansible playbook deployment repository (or download it with wget and unzip)

git clone https://github.com/open-io/ansible-playbook-openio-deployment.git oiosds

• Install python-netaddr

# RedHat
sudo yum install git python-netaddr -y

# Ubuntu
sudo apt install git python-netaddr -y

Now you can install OpenIO SDS