On Fri, Oct 19, 2012 at 10:43:11AM +0400, Vyacheslav Dubeyko wrote: > As I can see, both dumps contains blocks of ifile with inodes > description. > > I check previous e-mails and can see that maybe you dump not proper > block. Maybe it is my misspelling in some e-mail. It needed to dump > #734205 but as I can see you share dump of #743205 block. Firstly, to > check that block #734205 is really empty. Because if it is not empty > then the situation is different. It looks more like my misspelling when I asked about how should I make raw dump and after that it already was 743* instead of 734*. So my fault here. The dump looks like non-empty (attached), so I skipped this experiment below. > > If the block #734205 is empty then I suggest to make some experiment: > > 1. Prepare dump of the corrupted partition: > > dd if=<partition (/dev/sdb1)> of=<image file> > > 2. Setup loop device for the image: > > losetup /dev/loop0 <image file> > > 3. Copy block #719300 of ifile (ino = 6) with blkoff = 2 of checkpoint > #1843 into empty block #734205 (checkpoint #1874): > > dd if=/dev/loop0 of=/dev/loop0 bs=4096 skip=719300 seek=734205 count=1 > > 4. Try to mount the loop device. > > Please, share results (console output and dmesg output) of this trying > to mount. > > But, please, first of all, CHECK THAT TARGET BLOCK IS REALLY EMPTY. This > manual manipulation can lead to loosing some filesystem state. Moreover, > it can't fully recover filesystem but maybe driver can recover > filesystem and to mount. -- Piosenki mają dość proste i skonstruowane według znanego schematu: istota-chłopiec spotyka w świetle srebrnego księżyca istotę-dziewczynę, księżyc z bliżej nie wyjaśnionych przyczyn wybucha. -- Douglas Adams, "Restaurant at The End of The Universe"
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dump.734205.bz2
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