Resources Contact Us Home
Real time cloning of a virtual machine

Image Number 4 for United States Patent #8151263.

Method and systems for real-time cloning of a virtual machine are described. A virtual machine is running and a clone of the virtual machine is created while the virtual machine continues to run. In one embodiment, the creation of the clone further comprises quiesceing the virtual machine, taking a snapshot S1 (excluding main memory) of the state of the virtual machine, and creating a copy S2 of the snapshot S1. The original VM continues execution off the snapshot S1. The cloned VM restores from snapshot S2. In another embodiment, the cloning of the virtual machine further comprises instructing a vmkernel associated with the virtual machine to mark all pages of main memory of the virtual machine as copy-on-write (COW). The unique ID corresponding to the main memory is provided by the vmkernel and an association between the unique ID and the main memory is made upon restoration of the clone.

  Recently Added Patents
Virtual image display device and manufacturing method of virtual image display device
Opioid-ketamine and norketamine codrug combinations for pain management
Plural component proportioner
Elementary network description for efficient link between neuronal models and neuromorphic systems
Pre-distortion architecture for compensating non-linear effects
Permanent magnet axial field zeeman slower
Method and device for surface scanning of a patient
  Randomly Featured Patents
Beard clippers
Coin receiving and dispensing device
Polymer-factor VIII moiety conjugates
System and method for multi-modal authentication using speaker verification
Microprocessor controlled game
Foldable roof having a locking system for a convertible vehicle
Guided data repair
Stirrup with gas-filled shock absorber
Optical disk apparatus, tilt compensation method, program, and information recording medium
Process and composition for the production of polyurethane elastomer moldings