Justin, > Attached 2 x brand new Western Digital 8TB USB 3.0 drives awhile back and > ran some file copy tests and was getting these warnings-- is there any way > to avoid these warnings? I did confirm with parted that the partition was > aligned but this appears to be something related to the firmware on the > device according to [1] and [2]? Please send us the output of: # sg_vpd -p bl /dev/sdN # sg_vpd -p bdc /dev/sdN # sg_readcap -l /dev/sdN -- Martin K. Petersen Oracle Linux Engineering