Using Virtual Machine Cloning To Create a Backup Virtual Machine in a Fault Tolerant System

• Main Authors: SCALES DANIEL J, TUCKER ANDREW, NELSON MICHAEL
• Format: Patent
• Language: English
• Published: 30.04.2009
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

Techniques for creating a fault tolerant system in a virtual machine environment utilize a primary VM and a backup VM. To initialize the fault tolerant system, the backup VM and primary VM start from the same state. To achieve this in one embodiment, the primary VM is suspended and the state of the...