The Windows and Ubuntu hosts used the 64-bit version.

The VMs were all created with Vagrant from the official Ubuntu Server 13.10 (Saucy Salamander) cloud images. One VM is hosted on Windows 7 Enterprise, another on Ubuntu 13.10 Desktop Edition, and the last on Mac OS X 10.6.8. To illustrate dynamically allocated storage, below are three freshly provisioned VirtualBox virtual machines (VM), on three different hosts, all with different operating systems. That means the VMDK format file should grow to an actual size of 40 GB, as files are added. According to VirtualBox, the VM ‘ will initially be very small and not occupy any space for unused virtual disk sectors, but will grow every time a disk sector is written to for the first time, until the drive reaches the maximum capacity chosen when the drive was created’. These VMDK files are configured for dynamically allocated storage, with a virtual size of 40 GB. The Ubuntu Cloud Images (boxes), are Virtual Machine Disk (VMDK) format files. Ubuntu’s images are very popular with Vagrant users to build their VMs.Īssuming you have VirtualBox and Vagrant installed on your Windows, Mac OS X, or Linux system, with a few simple commands, ‘vagrant add box…’, ‘vagrant init…’, and ‘vagrant up’, you can provision a VM from one of these boxes.

They are portable files which can be used by others on any platform that runs Vagrant to bring up a working environment‘. Imagine you’ve provisioned dozens of nodes on your network using Ubuntu’s Cloud Images, expecting them to grow dynamically…Īccording to Canonical, ‘ Ubuntu Cloud Images are pre-installed disk images that have been customized by Ubuntu engineering to run on cloud-platforms such as Amazon EC2, Openstack, Windows and LXC’. Ubuntu also disk images, or ‘boxes’, built specifically for Vagrant and VirtualBox. Boxes, according to Vagrant, ‘ are the skeleton from which Vagrant machines are constructed.

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