Hikvision System Technology Assigned Patent
Index storage in SMR storage system with non-shingled region
By Francis Pelletier | January 29, 2024 at 2:00 pmHangzhou Hikvision System Technology Co., Ltd., Zhejiang, China, has been assigned a patent (11853549) developed by Ye, Min, Wang, Wei, and Lin, Qiqian, Zhejiang, China, for an “index storage in shingled magnetic recording (SMR) storage system with non-shingled region.“
The abstract of the patent published by the U.S. Patent and Trademark Office states: “The present application provides a storage method, a storage apparatus and a storage system, wherein the method includes: determining a data type of to-be-stored data when the to-be-stored data is obtained (S410), determining a target storage area with a data type same as that of the to-be-stored data based on the data type of data stored in each storage area in the SMR disk (S420), determining in the target storage area a target storage block into which the to-be-stored data is to be written (S430), generating the main index information and backup index information of the to-be-stored data based on the identifier of the target storage block (S440), generating the database index information of the to-be-stored data based on the to-be-stored data and the identifier of the target storage block (S450), and writing the to-be-stored data and the backup index information of the to-be-stored data into the target storage block, writing the main index information of the to-be-stored data into the CMR area or the non-SMR disk, and writing the database index information of the to-be-stored data into the non-SMR.”
The patent application was filed on 2020-11-26 (17/780334).