UPDATE SYSTEM OF VIRTUAL MACHINE TEMPLATE AND METHOD THEREOF

摘要

PROBLEM TO BE SOLVED: To provide an update method of a virtual machine template which improves stability of a data center.

SOLUTION: An update method of a virtual machine template performs the steps of: assigning an IP address to a cloud server; connecting to the cloud server; setting a first virtual machine template to a power-off state; making the first virtual machine template control virtual machine deployment; setting a second virtual machine template to a power-on state; determining whether or not update of the second virtual machine template is completed; setting the second virtual machine template to a power-off state if the update is completed; making the second virtual machine template control the virtual machine deployment; copying the second virtual machine template; exchanging the copied second virtual machine template with the first virtual machine template; and keeping the first virtual machine template perfectly the same as the second virtual machine template.

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