Which of these factors indicates a high likelihood that the performance of a virtual machine is being constrained by disk I/O?
A.
A large number of kilobytes read and written
B.
AI arge number of bus resets
C.
A large number of commands issued
D.
A high device latency value
Explanation:
Disk performance bottlenecks are usually due to either Disk queue lenght or Disk Latency. Refer internet search.