disk queue length - Festplatten Warteschlange

In Windows resource Monitor, the disk queue length Counter should be lower then 2, if ist greater then 5 there is a serious Problem. experience: coping large amount of mixed files: disk queue length 1-2 coping large file on same disk: disk queue length 2-5 idle: 0 hyperV Server with raid 10, 13 virtual machines: disk queue length 1