vmx file holds the data used to configure the VM. Of course, when vCenter clones the source virtual machine, it doesn’t just duplicate the virtual disks, but also creates a copy of the. You can either configure the disk to fill all of the space in the datastore (thus enabling the template to maintain the same level of performance as the source VM), or use the thin provisioned format to compress the disk space so that the template uses only as much of the datastore as it needs. Unlike Convert to Template, which I’ll cover in just a moment, Clone to Template leaves the original virtual machine intact.ĭuring the cloning process, you’ll have the option to change the format of the virtual disk(s). The first method, Clone to Template, duplicates a virtual machine and changes it to the template format. VCenter Server uses one of two methods to build templates. A template offers a more secure way of preserving a virtual machine configuration that you want to deploy many times.
Templates cannot be powered on or edited, and are more difficult to alter than ordinary virtual machine. You can use templates to reduce the amount of time spent building and implementing new servers, cutting down the provisioning process to just a few hours.Ī template is a master copy of a virtual machine that can be used to create and provision virtual machines. VMware vCenter Server allows you to create templates from existing virtual machines.
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