摘要
文章介绍了一种通过日志恢复EXT3文件系统下被删除Oracle数据文件的方法,研究了通过数据页存储特征恢复与检验Oracle数据文件的方法,介绍了基于EXT3的Oralce数据文件恢复与检验软件的总体执行流程图。该软件可以根据日志文件中保存的地址指针定位被删除文件散布在硬盘分区中的具体数据,进而将它们恢复成一个完整的数据库文件,该软件还可以根据Oracle数据页的存储特征最大限度地提取分布在硬盘分区上的数据页碎片,将这些数据页组合成一个文件,再利用自行开发的检验软件从中检验出有效的数据记录。
Two methods of oralce database file recovery were described in detail,One method used journal.Another method used storage characteristics of data page,The flow chart of software was described in detail.The software could use the address pointer stored in journal to locate the deleted data,then it would restore them into a complete database file.Under storage characteristics of data page,The software could extract the data pages on the partition.The data pages could be combined into a single file.Valid data records could be checked out.
出处
《信息网络安全》
2011年第10期44-46,70,共4页
Netinfo Security
