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American Megatrends Assigned Two Patents

Two-node HA cluster storage, initial RAM disk creation

Two-node HA cluster storage solution
using an intelligent initiator
to avoid split brain syndrome

American Megatrends, Inc., Norcross, GA, has been assigned a patent (8,498,967) developed by Paresh Chatterjee, Fremont, CA, Narayanan Balakrishnan, Milpitas, CA, and Raja Jayaraman, Fremont, CA, for "two-node HA cluster storage solution using an intelligent initiator to avoid split brain syndrome."

The abstract of the patent published by the U.S. Patent and Trademark Office states: "Techniques for maintaining mirrored storage cluster data consistency on systems with two-node, highly available storage solutions can employ an initiator-side agent operable to prevent split-brain scenarios. Split brain syndrome can be avoided, information identifying changes of synchronization states can be maintained, and both graceful and ungraceful shutdowns (or failures) of either one of the nodes or of the intelligent initiator itself can be mitigated. Technology presented herein supports load balancing and hot failover/failback in systems that may feature redundant network connectivity. Moreover, a method is supported for communicating storage cluster status between the storage nodes and the initiator."

The patent application was filed on Jan. 11, 2008 (12/013,124).

Efficient initial RAM disk creation
American Megatrends, Inc., Norcross, GA, has been assigned a patent (8,468,334) developed by Rajasekhar Jonna, Duluth, GA, and Venkatesh Ramamurthy, Lilburn, GA, for an "efficient initial RAM disk creation."

The abstract of the patent published by the U.S. Patent and Trademark Office states: "OS image files utilized to create an initial random access memory (RAM) disk are separated into one image file that contains essential initial RAM disk components and one or more additional image files that contain optional initial RAM disk components, such as language support files. At runtime, the disk image containing the essential RAM disk components is loaded along with the disk images containing desired optional initial RAM disk components. Disk images containing undesired or unneeded optional RAM disk components are not loaded. The loaded disk images are utilized to create the initial RAM disk."

The patent application was filed on Jan. 28, 2011 (13/015,642).

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