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I'm using e2fsck -B 4096 /path/to/image.dd (of a drive that 'broke') and I know it reached phase 5 in its process, outputting:

(lost info preceding (-scrolled-out-of-buffer-space-) the following lots
of output like this)
...
+(243859456--243859969) +(243892224--243892737) +(243924992--243925505)
+(243957760--243958273) +(243990528--243991041) +(244023296--244023809) 
+(244056064--244056577) +(244088832--244089345) +(244121600--244122113)
+(244154368--244154881) +(244187136--244187649)
Fix<y>? 

I googled for info on what it means but failed to find any explanation. What does it mean and should I say 'y'?

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Most terminal(-emulator)s have a scroll back-buffer, are you sure you can't go back and see what e2fsck said before all those numbers? The description of the phases of e2fck I could find says

Phase 5: Check Cylinder Groups - checks free blocks and the used inode maps for consistency

So those numbers are probably blocks that e2fsck can't tell whether should be free or not. I think (luckily it's been quite a while since I had to use fsck on a dead disk, so there's no guarantee the outcome is the totaly opposite) it will mark those blocks as used and create files in /lost+found (with the block numbers as names) if you answer 'y'.

  • I should have said 'scrolled-out-of-buffer', my bad. I also guess something like that, but I want to be sure ... – slashmais Sep 8 '18 at 9:46

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