Little question about GD dump

[TuxTheWise]

GD's data tracks, as CD's, have some kind of checksum to prevent wrong read. So if some sector doesn't match with the checksum, the reader reads it again, and again, until reads it right.

When dumping a GD on DreamShell, is this redundancy info checked? I mean, if some read is corrupted, it tries to read again? Or there is a (significant) chance of reading corrupted data?

I believe this kind of verification is at the hardware level, but I'm just checking to be sure.

Thanks.