本发明能够进行在线数据热备份，并提供文件逻辑块的增量备份方法，降低备份数据量，提高备份效率。
The method can carry out online data warm backup, provides an incremental backup method for file logical blocks, reduces backup data volume and improves the backup efficiency.
本发明能够进行在线数据热备份，并提供文件逻辑块的增量备份方法，降低备份数据量，提高备份效率。
The method can carry out online data warm backup, provides an incremental backup method for file logical blocks, reduces backup data volume and improves the backup efficiency.
应用推荐