然后就可以根据文件大小和删除日期判断那些是我们需要的。比如我们要恢复节点是196829的文件: 可以先看看文件数据状态: debugfs:stat <196829> Inode: 196829 Type: regular Mode: 0644 Flags: 0x0 Version: 1 User: 0 Group: 0 Size: 149500 File ACL: 0 Directory ACL: 0 Links: 0 Blockcount: 38 Fragment: Address: 0 Number: 0 Size: 0 ctime: 0x31a9a574 -- Mon May 27 13:52:04 2001 atime: 0x31a21dd1 -- Tue May 21 20:47:29 2001 mtime: 0x313bf4d7 -- Tue Mar 5 08:01:27 2001 dtime: 0x31a9a574 -- Mon May 27 13:52:04 2001 BLOCKS: 594810 594811 594814 594815 594816 594817 …………………………………. TOTAL: 38 然后就可以用dump指令恢复文件: debugfs:dump <196829> /mnt/hda/01.sav 这样就把文件恢复出来了。退出debugfs: debugfs:quit 另一种方法是手工编辑inode: debugfs:mi <196829> Mode [0100644] User ID [0] Group ID [0] Size [149500] Creation time [0x31a9a574] Modification time [0x31a9a574] Access time [0x31a21dd1] Deletion time [0x31a9a574] 0 Link count [0] 1 Block count [38] File flags [0x0] Reserved1 [0] File acl [0] Directory acl [0] Fragment address [0] Fragment number [0] Fragment size [0] Direct Block #0 [594810] ……………………………. Triple Indirect Block [0] 使用mi指令后每次显示一行信息以供编辑,其它行可以直接按回车表示确认,把deletion time改成0(未删除),Link count改成1。改好后退出debugfs: debugfs:quit 然后用fsck检查/dev/hda5 fsck /dev/hda5 程序会说找到丢失的数据块,放在lost+found里面。这个目录里的文件就是我们要的东东。
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