[linux-lvm] Attempting to salvage data from a PV on a damaged disk

John Drescher drescherjm at gmail.com
Wed Oct 19 12:34:26 UTC 2011

>> The system would not boot from the "live disk" due to what appears to be a
>> minor (but not minor enough) disk failure (SMART and other tests pass, but I
>> get some I/O errors before operations work).
> What filesystem is on the disk? Maybe you could try something like spinrite?
> I have used it successfully countless times with drives that have developed
> some bad sectors but are otherwise ok...

I also recommend ddrescue for this task.


It will first copy around problem areas of the disk then it will try
to recover the sectors around the problem. This is assuming the
problem with the disk is unreadable sectors.

SMART id # 197 and 198.



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