NDMP-based Block-level Backup/Recovery Method and Its Implementation
He Xiang · Jisuanji gongcheng · 2007
With the steady increasing of data importance,data protection becomes vital to maintain business continuity.But globalization causes the backup window shrunk sharply.How to backup data efficiently and effectively is one of the most urgent questions today.This paper presents a NDMP-based block-level backup and recovery method,which can significantly decrease backup time and storage cost,compared with traditional file system backup method.It also presents data-merge and data-extract techniques to improve block level recovery performance.