I burned a Verbatim AZO DVD-R in 8x totaling 3GB of data many compacted files, folders etc, i scanned disc read test the nero discspeed 100% Good and Verify of the ImgBurn errors 0 but to copy the files disc to the PC the time was 1 hour, is this normal? Will I have to discard this disc, will it not have a long life? my drive is liteon 2017