Many people are talking about P-list damage or talk about SA damage and believe if either one of them is damaged, the data is gone. This is not true at all. Data Recovery is always possible when the p-list is damaged or when there’re SA damage.
We must be clear about one fact: SA area and user area(data area) are two different areas, they act very similarly like system partition and other partitions. For example, if the partition C is system partition and partition D, E, F contains the data users put. Now partition C-the system partition is damaged, the data is still in Partition D, E and F. Read more