Vagrant file for creating 2 virtual box VM's as the basis for an Oracle RAC cluster. This setup has 2 nodes with 4 shared disks and the needed network interfaces. Explanation of this file is here: https://jongsma.wordpress.com/2016/08/12/vagrant-for-you-rac-test-environment

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :

VAGRANTFILE_API_VERSION = "2"
ASM_LOC     = "/pathto/vagrant/rac/asmdisk"
num_disks   = 4
servers     = 2
mem         = 4096
cpu         = 2

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
config.vm.box = "oel68"
config.ssh.forward_x11 = true
config.ssh.forward_agent = true

	(1..servers).each do |rac_id|
	config.vm.define "rac#{rac_id}" do |config|
	config.vm.hostname = "rac#{rac_id}"

	# Do Virtualbox configuration 
	config.vm.provider :virtualbox do |vb|
		vb.customize ['modifyvm', :id, '--nic2', 'intnet', '--intnet2', 'rac-priv']
		vb.customize ['modifyvm', :id, '--nic3', 'hostonly', '--hostonlyadapter3', 'vboxnet0']

		# Change NIC type (https://www.virtualbox.org/manual/ch06.html#nichardware)
		vb.customize ['modifyvm', :id, '--nictype1', '82545EM']      
		vb.customize ['modifyvm', :id, '--nictype2', '82545EM']  
		vb.customize ['modifyvm', :id, '--nictype3', '82545EM']  
		
		# Change RAC node specific settings 
		vb.customize ['modifyvm', :id, '--cpus', cpu]
		vb.customize ['modifyvm', :id, '--memory', mem]  

		# Increase SATA port count 
		vb.customize ['storagectl', :id, '--name', 'SATA', '--portcount', 5]   
	 
		(1..num_disks).each do |disk|
			if ARGV[0] == "up" && ! File.exist?(ASM_LOC + "#{disk}.vdi")
				if rac_id == 1
					vb.customize ['createmedium',
								'--filename', ASM_LOC + "#{disk}.vdi",
								'--format', 'VDI',
								'--variant', 'Fixed',
								'--size', 5 * 1024]
					vb.customize ['modifyhd',
								 ASM_LOC + "#{disk}.vdi",
								'--type', 'shareable']
				end # End createmedium on rac1

				vb.customize ['storageattach', :id,
						'--storagectl', 'SATA',
						'--port', "#{disk}",
						'--device', 0,
						'--type', 'hdd',
						'--medium', ASM_LOC + "#{disk}.vdi"]
			end  # End if exist
		end    # End of EACH iterator for disks
	  
		# Workaound for Perl bug with root.sh segmentation fault, 
		# see this blogpost from Danny Bryant http://dbaontap.com/2016/01/13/vbox5/
		vb.customize ['setextradata', :id, "VBoxInternal/CPUM/HostCPUID/Cache/Leaf", "0x4"]
		vb.customize ['setextradata', :id, "VBoxInternal/CPUM/HostCPUID/Cache/SubLeaf", "0x4"]
		vb.customize ['setextradata', :id, "VBoxInternal/CPUM/HostCPUID/Cache/eax", "0"]
		vb.customize ['setextradata', :id, "VBoxInternal/CPUM/HostCPUID/Cache/ebx", "0"]
		vb.customize ['setextradata', :id, "VBoxInternal/CPUM/HostCPUID/Cache/ecx", "0"]
		vb.customize ['setextradata', :id, "VBoxInternal/CPUM/HostCPUID/Cache/edx", "0"]
		vb.customize ['setextradata', :id, "VBoxInternal/CPUM/HostCPUID/Cache/SubLeafMask", "0xffffffff"]     
        
	end      # End of config.vm.provider
  
	# Create disk partitions   
	if rac_id ==  1
		config.vm.provision "shell", inline: <<-SHELL

		if [ -f /etc/SFDISK_CREATE_DATE ]; then
		 echo "Partition creation already done."
		  exit 0
		fi

		for i in `ls /dev/sd* | grep -v sda`;  do echo \\; | sudo sfdisk -q $i; done

		date > /etc/SFDISK_CREATE_DATE

		SHELL
	end # End create disk partions
	
		if rac_id == servers
			# Start Ansible provisioning
			config.vm.provision "ansible" do |ansible|
				#ansible.verbose = "-v"
				ansible.limit = "all"
				ansible.playbook = "ansible/rac_gi_db.yml"
			end # End of Ansible provisioning
		end
	
    end  # End define VM config
  end # End each iterator RAC hosts
end # End of Vagrant.configure