Are you talking about FlexRAID Basic? If so, I am not aware of any "corruption". The way FRB works is just to compute parity on basically untouched, normal drives, and store it on a parity disk. So if there were any corruption, it should only be on the parity disk, not on your data disks. Unless there is some problem I have not heard of
Now, FlexRAID View and FlexRAID Live, I don't know much about except in theory, and they may (or may not) have had corruption problems.