VMware created the Virtual Machine Disk -- VMDK -- format to make it easier to share its virtual machines, or VMs, with products produced and sold by other companies. By default, Oracle Corporation's ...

Disk snapshots are one of the best data-protection mechanisms available in the data center today. Whether it’s a SAN-based snapshot technology or one built into your file system or operating system, ...

Virtualization technology has increased the challenge of backing up server environments. IT administrators have to choose from among a variety of virtual server backup options, including agent-based ...

vSphere 5.1 raised the maximum virtual machine (VM) size to 62TB. There is a catch, however: hardware version 10, along with the vSphere Web Client, must be used. That's OK, because I'm convinced the ...

Virtual Machine magic Using a snapshot to duplicate a VMDK or VHD file bypasses the difficulty of backing up a virtual disk while the VM is running. It also makes it easy to clone a working VM, ...