Alibaba Group Holding Assigned Patent
Rearranging write operation in SMR device
By Francis Pelletier | June 26, 2019 at 2:07 pmAlibaba Group Holding Limited, George Town, Grand Cayman, has been assigned a patent (10,303,601) developed by Li, Shu, Bothell, WA, and Jiang, Xiaowei, San Mateo, CA, for “method and system for rearranging a write operation in a shingled magnetic recording device.“
The abstract of the patent published by the U.S. Patent and Trademark Office states: ”One embodiment facilitates a write operation in a shingled magnetic recording device. During operation, the system receives, by a controller module of the device, a request to write first data, wherein the device has a plurality of bands with overlapping tracks for storing data. In response to determining that the first data is updated data corresponding to original data stored in a first band, the system appends the updated data to a second band with available storage space. The system merges the updated data with the original data.”
The patent application was filed on August 11, 2017 (15/675,416).