xalasmeno partition

[Giorgos Keramidas]

On 2002-06-23 13:46 +0000, Pavlos Parissis wrote:
> On Sun, 23 Jun 2002 10:25:13 +0300 Κλέαρχος Βλασσόπουλος <klearxos at cs-net.gr> wrote:
> > se ena disko me politima arxeia jafnika den mporo na kano mount to
> > ena partition kai bgazei to exis minhma.
> >
> > inode bitmap for group 154 not in group) block 12700039
> > EXT2-fs: group descriptions corrupted!
> > mount: wrong fs type or bad superblock on dev/sda3
> >
> > Prospathisa me e2fsck na kano kati xoris epitixia.
> > kamia idea kaneis... please
>
> Dokimases me dd na pareis ta data??
>
> Ftiakse kapoy ena idio partition kai dwse dd if=/dev/sda3
> of=/dev/to_parttion_pou_eftiakses.  Prin kaneis kati me thn "dd"
> diavase to manual.

An ta group blocks ta phre o diaolos, to dd(1) den mporei na kanei kai
polla pragmata.  Mporeis fusika, diabazontas ligo parapano, na breis
pos to ext2 xorizei to disko se block groups, pos auta ta block groups
ginontai meta data h i-node blocks, kai me kapoio manual ergaleio gia
filesystem-repair na paikseis elpizontas pos tha bgaleis akrh.

Den einai tromera duskolo.  Klassiko paradeigma einai otan kamposa
sector tou diskou pou eixa ston 486 mou eixan skasei, kai
xrhsimopoihsa to fsdb(8) pou exei to FreeBSD gia na markaro ta
sugkekrimena sectors san 'used' apo ena arxeio sto /lost+found.
Oso den akoumpouse kaneis auto to arxeio, ola douleuan roloi :-)

- Giorgos