Messages in this thread | | | Date | Sun, 21 Dec 2008 15:57:20 +0000 | From | Alan Cox <> | Subject | Re: linux ext3 partition hosed, is this hardware of software error? |
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> > > Buffer I/O error on device sda3, logical block 12 > > > Buffer I/O error on device sda3, logical block 13 > > > > Right near the start of the disk. > > Ah, that is the reason why grub is gone.
To be accurate - start of partition but the effect is the same yes.
> > Make a copy of the partition with a recovery tool and write it somewhere > > ddrescue? partimage? Any other suggestion?
ddrescue should do the trick - anything which will copy all the valid sectors and write out the lost ones as zero or similar preserving what is left of the file.
> > > (file on another disk whatever) and keep it safe. Make a copy of that and > > fsck the copy. You may need to use the alternate superblock option on > > fsck for this. > > Thanks, good hint, didn't know about that.
It's there for exactly this kind of situation.
Alan
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