US Patent:
20100287544, Nov 11, 2010
Inventors:
Andrew J. Bradfield - Cortlant Manor NY, US
Justo M. Guizan - Ridgefield CT, US
John J. Thomas - Fishkill NY, US
Barry E. Willner - Briarcliff Manor NY, US
Assignee:
INTERNATIONAL BUSINESS MACHINES CORPORATION - Armonk NY
International Classification:
G06F 9/455
G06F 9/44
Abstract:
Virtual Machine (VM) images in a virtualized environment are updated through the use of patches. A virtualization data processing system includes a hypervisor that manages a VM image. The hypervisor is configured to retrieve a patch for an instance of the VM image from a secure site. The hypervisor blocks all other network access to the VM image. The hypervisor is configured to apply the patch to the instance of the VM image and unblock all network access to the VM image