The data recovery of hard disk software failure can be solved by the following ways, the recovery of main boot partition, partition table, DBR, zero track and the file deleted by mistakes.

硬盘软故障的数据恢复主要可以从以下几个方面入手：主引导区恢复、分区表恢复、DBR修复零磁道损坏的修复以及文件误删除的数据恢复。

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When all events are stored in the database, the original file is deleted from the event directory.

当所有事件都存储在该数据库中后，将从事件目录中删除原始文件。

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This is your clue that the FD refers to a deleted file.

通过这个线索，就可以知道该FD指向一个删除的文件。

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But Mr. Massoud said the FBI report still doesn't adequately explain why one file was deleted.

WSJ: FBI Backs Singapore View on U.S. Man's Death

With rights management, rentals allow you a 30 day window to start watching the movie, but once you've begun you have 24 hours to enjoy before the file gets deleted.

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He said the person who accessed the hard drive had opened a file related to Todd's work with institute, created a copy of that file and then deleted the copy.

WSJ: FBI Backs Singapore View on U.S. Man's Death