Am Montag, den 29.01.2018, 14:48 +0100 schrieb Menion: > As soon as more than one HD in inserted in the enclosure, when > parallel write operation are send to the HDs, you start to get > immediately CMD error on UAS driver, after a while the USB gets in an > inconsistent status and you are forced to reset. Hi, what is the first error you see? If we can identify a specific command, we will be able to do something about that. If it is a general reliability issue the answer is more likely in the device's firmware. And have you checked your power supply is adequate? Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html