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SubjectRe: Help to edit inode content
On Wed, May 13, 2009 at 1:33 AM, Andreas Dilger <> wrote:
> On May 12, 2009  21:32 +0530, ranjith kannikara wrote:
>> On Tue, May 12, 2009 at 9:26 PM, Bryan Donlan <> wrote:
>> > On Tue, May 12, 2009 at 11:47 AM, ranjith kannikara
>> > <> wrote:
>> >> I am a computer science engineering student. We have started a project
>> >> to make an application to recover deleted files from an ext3
>> >> filesystem. For that we have a doubt . Can we edit the inode content?
>> >> ie the recovery will be robust if we could edit the inode contents and
>> >> give the pointer address manually or through a code. The inode is
>> >> being created in the kernel mode and is it possible to edit those
>> >> contents if the code is allowed to have the kernel mode permissions..?
>> But we would like to know whether it is possible to edit the inode
>> because it will make the recovery easy and robust. ie he know the
>> details of the inode of the file which had been deleted is it possible
>> to edit the content of that inode with the pointers of the deleted
>> file.?
> Are you asking whether it is possible to modify the on-disk structure
> of the ext3 inode? Generally that is NOT allowed because it will of
> course break all existing filesystems if not done with extreme care.
> Cheers, Andreas
> --
> Andreas Dilger
> Sr. Staff Engineer, Lustre Group
> Sun Microsystems of Canada, Inc.
Actually I was asking the same. whether it is possible to edit the
inode content of a disk or the image of a disk. Did you mean that it
is not possible at all. Is there any method to edit the inode content
and use the edited inode for a file, If we can ensure high care.
because such a method will be the most robust one in the recovery of
deleted file.


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