linux文件恢复工具extundelete恢复被删除文件示例
发布:smiling 来源: PHP粉丝网 添加日期:2015-04-27 15:49:50 浏览: 评论:0
extundelete是一个恢复工具了常用于linux系统中文件被删除之后的恢复软件了,下面小编来给各位整理一个extundelete工具恢复文件的例子.
安装extundelete:
- [root@xifenfei tmp]# bunzip2 extundelete-0.2.0.tar.bz2
- [root@xifenfei tmp]# tar xvf extundelete-0.2.0.tar
- extundelete-0.2.0/
- extundelete-0.2.0/README
- extundelete-0.2.0/acinclude.m4
- extundelete-0.2.0/configure.ac
- extundelete-0.2.0/aclocal.m4
- extundelete-0.2.0/Makefile.am
- extundelete-0.2.0/Makefile.in
- extundelete-0.2.0/config.h.in
- extundelete-0.2.0/configure
- extundelete-0.2.0/compile
- extundelete-0.2.0/depcomp
- extundelete-0.2.0/install-sh
- extundelete-0.2.0/missing
- extundelete-0.2.0/LICENSE
- extundelete-0.2.0/autogen.sh
- extundelete-0.2.0/src/
- extundelete-0.2.0/src/Makefile.am
- extundelete-0.2.0/src/Makefile.in
- extundelete-0.2.0/src/extundelete.cc
- extundelete-0.2.0/src/block.c
- extundelete-0.2.0/src/insertionops.cc
- extundelete-0.2.0/src/block.h
- extundelete-0.2.0/src/extundelete.h
- extundelete-0.2.0/src/extundelete-priv.h
- extundelete-0.2.0/src/jfs_compat.h
- extundelete-0.2.0/src/kernel-jbd.h
- [root@xifenfei tmp]# cd extundelete-0.2.0
- [root@xifenfei extundelete-0.2.0]# ./configure
- Configuring extundelete 0.2.0
- Writing generated files to disk
- [root@xifenfei extundelete-0.2.0]# make && make install
- make -s all-recursive
- Making all in src
- Making install in src
- /usr/bin/install -c 'extundelete' '/usr/local/bin/extundelete'
恢复操作命令:
- --umount或者read only 分区
- umount /dev/partition
- mount -o remount,ro /dev/partition
- --恢复文件
- xtundelete /dev/partition --restore-all
- extundelete /dev/partition --restore-directory /backup/gnutool-delete
- extundelete /dev/partition --restore-files /etc/passwd
- 测试恢复
- --基于目录恢复
- [root@xifenfei tmp]#extundelete /dev/sdb1 --restore-directory /u01/xifenfei
- Loading filesystem metadata ... 160 groups loaded.
- Loading journal descriptors ... 23 descriptors loaded.
- Writing output to directory RECOVERED_FILES/
- Failed to restore file /u01/xifenfei
- Could not find correct inode number past inode 2.
- [root@xifenfei tmp]# cd RECOVERED_FILES/
- [root@xifenfei RECOVERED_FILES]# ll
- total 0
- --未成功
- --基于磁盘恢复
- [root@xifenfei RECOVERED_FILES]#extundelete /dev/sdb1 --restore-all
- Loading filesystem metadata ... 160 groups loaded.
- Loading journal descriptors ... 23 descriptors loaded.
- Writing output to directory RECOVERED_FILES/
- Searching for recoverable inodes in directory / ...
- 4 recoverable inodes found.
- Looking through the directory structure for deleted files ...
- Failed to restore inode 1966081 to file RECOVERED_FILES/xifenfei:Inode does not correspond to a regular file.
- Restored inode 1966082 to file RECOVERED_FILES/xifenfei/xff.txt
- Failed to restore inode 1966083 to file RECOVERED_FILES/xifenfei/xff:Inode does not correspond to a regular file.
- Restored inode 1966084 to file RECOVERED_FILES/xifenfei/xff/xff.txt132
- 0 recoverable inodes still lost.
- [root@xifenfei RECOVERED_FILES]# ll
- total 4
- drwxr-xr-x 3 root root 4096 Aug 31 21:36 RECOVERED_FILES
- [root@xifenfei RECOVERED_FILES]# cd RECOVERED_FILES/
- [root@xifenfei RECOVERED_FILES]# ll
- total 4 --phpfensi.com
- drwxr-xr-x 3 root root 4096 Aug 31 21:36 xifenfei
- [root@xifenfei RECOVERED_FILES]# cd xifenfei/
- [root@xifenfei xifenfei]# ll
- total 20
- drwxr-xr-x 2 root root 4096 Aug 31 21:36 xff
- -rw-r--r-- 1 root root 13231 Aug 31 21:36 xff.txt
- [root@xifenfei xifenfei]# cd xff
- [root@xifenfei xff]# ll
- total 16
- -rw-r--r-- 1 root root 13231 Aug 31 21:36 xff.txt132
- --恢复成功
- --基于文件恢复
- [root@xifenfei xff]# extundelete /dev/sdb1 --restore-files /u01/xifenfei/xff.txt --phpfensi.com
- Loading filesystem metadata ... 160 groups loaded.
- Loading journal descriptors ... 23 descriptors loaded.
- Writing output to directory RECOVERED_FILES/
- [root@xifenfei xff]# cd RECOVERED_FILES/
- [root@xifenfei RECOVERED_FILES]# ll
- total 0
- --未成功
通过上述实验证明extundelete还是有很大的不完整性,基于整个磁盘的恢复功能较为强大,基于目录和文件的恢复还不够强大,不过该软件在很多时候还是有救火的功能,特别是当蛋筒的人员删除了数据库的部分文件之时.
Tags: linux文件恢复 extundelete
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