The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 27, 2015
Filed:
Sep. 10, 2012
Wen-feng Hsu, Taoyuan, TW;
Kuo-heng Lo, Kaohsiung, TW;
Shyan-ming Yuan, Hsinchu, TW;
Hung-ming Chien, Hsinchu, TW;
Ying-tse Kuo, Hsinchu, TW;
Cheng-yi Huang, Hsinchu, TW;
Wen-Feng Hsu, Taoyuan, TW;
Kuo-Heng Lo, Kaohsiung, TW;
Shyan-Ming Yuan, Hsinchu, TW;
Hung-Ming Chien, Hsinchu, TW;
Ying-Tse Kuo, Hsinchu, TW;
Cheng-Yi Huang, Hsinchu, TW;
Promise Technology, Inc., Hsin-Chu, TW;
Abstract
A cloud data storage system is provided for multiple clients to access data of files comprising at least one node connecting to a first storage means; at least one namenode module for processing file operations issued from the clients, namenode module issuing data access instructions to access and maintain the metadata on the first storage means; at least one datanode module respectively executing on at least one node, each datanode module functioning to scan and access a second storage means connected thereto; at least one data import module selectively executing on nodes in which datanode module are executing, the data import module scanning a second storage means newly connected to the cloud data storage system and obtaining a corresponding metadata, and executing data migration operation for the data in second storage means without actual physical uploading operation.