On Wed, May 13, 2009 at 9:41 AM, ranjith kannikara <ranjithkannikara@xxxxxxxxx> wrote: > On Wed, May 13, 2009 at 1:33 AM, Andreas Dilger <adilger@xxxxxxx> wrote: >> On May 12, 2009 21:32 +0530, ranjith kannikara wrote: >>> On Tue, May 12, 2009 at 9:26 PM, Bryan Donlan <bdonlan@xxxxxxxxx> wrote: >>> > On Tue, May 12, 2009 at 11:47 AM, ranjith kannikara >>> > <ranjithkannikara@xxxxxxxxx> 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. >> >> > Hi, > 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. Sorry , but it is still not clear to me whether you are trying to change the on-disk structure of the inode or just change the ondisk *contents* of some deleted inode to recover it. Can you give an example of what you are trying to do ? Thanks - Manish > > Regards > ranju. > > -- > http://www.ranjithkannikara.blogspot.com/ > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Thanks - Manish -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html