[Ocfs2-devel] 答复: [QUESTION] How to recover a deleted file?

Gang He ghe at suse.com
Sun Mar 6 18:04:11 PST 2016


Hello Changkuo,

Maybe you can use debugfs.ocfs2 to search and dump the inode block, then try to see if the extent tree is destroyed, or not?

Thanks
Gang


>>> 
> Hi Junxiao,
>     Thanks for you reply.
>     Unfortunately, the file was removed few days ago, and I cann't find the 
> extents tree with logdump command as the journal file had been rewrited.
>     I creat a file and remove it after a while, then the latest extents tree 
> of the file can be found with logdump command. In this situation, the file 
> can be restored.
> 
>         Anyway, thanks again.
> Changkuo.Shi
> ----------------------------------------------------------------------
> 发件人: Junxiao Bi [mailto:junxiao.bi at oracle.com]
> 发送时间: 2016年3月4日 11:09
> 收件人: shichangkuo 09727 (CCPL); ocfs2-devel at oss.oracle.com 
> 主题: Re: [Ocfs2-devel] [QUESTION] How to recover a deleted file?
> 
> On 03/04/2016 08:47 AM, Shichangkuo wrote:
>> Hi All,
>>
>>     I have removed a file which was very important to me by mistake.
>> Does someone once encounta problem like this, and could the file be
>> undeleted?
> Maybe you can rebuild it manually if released clusters are not reused.
> Umount the volume first, then use logdump of debugfs.ocfs2 to find the 
> latest extents tree of the file before it is removed. With this, you can copy 
> the removed file out. Good luck.
> 
> Thanks,
> Junxiao.
> 
>>
>>
>>
>> Many thanks.
>>
>> Changkuo.Shi
>>
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