Re: recommendations on how to recover a corrupted, LVM-based hard drive?

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On Feb 12, 2014, at 1:08 PM, Robert P. J. Day <rpjday@xxxxxxxxxxxxxx> wrote:

> 
>  it was 2G that was overwritten, not just 2M. so i'm quite willing to
> believe that it's unrecoverable. but that "testdisk" utility claims to
> be finding *something*, so i'll just let it finish and post what it
> reports.

Ok well the PV and VG metadata aren't super important if we're talking about one PV and one VG and conventional (not thinp) LVM. The LV should have linearly allocated logical extents to physical extents to disk sectors. So baring some extra VG metadata copies that could cause PEs to not be contiguous, the file system might be found as if it were on a regular partition and totally intact.

What file system? ext4?


Chris Murphy

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