Huawei Assigned Patent

Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (9,449,005) developed by Chen, Zhuo, and Xiong, Jin, Shenzhen, China, for a “metadata storage system and management method for cluster file system.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “The present invention provides a metadata storage system and a management method for a cluster file system. The metadata of the cluster file system is stored by using a DRAM+SSD+HDD three-tier architecture, and the metadata is written sequentially into a metadata buffer in the DRAM based on write-in time. When a metadata buffer fully written, it is written back into the SSD sequentially to form a new metadata storage unit, and corresponding metadata index information in a header structure thereof is stored into the DRAM in a form of a metadata index unit.“

The patent application was filed on May 15, 2014 (14/278,744).