On Feb 12, 2014, at 1:08 PM, Robert P. J. Day <rpj...@crashcourse.ca> 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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