An administrator used the ‘iostat -b 5’ command to display block I/O device utilization
statistics and received the following error message:
iostat: Block 10 stats collection has been turned off.
What is the correct resolution?
A.
Statistic collection must be turned on using ‘ioo -o io_stat=1’
B.
Statistic collection must be turned on using ‘raso -o biostat=1’
C.
Statistic collection must be turned on using ‘chvg -i true [vgname]’
D.
Statistic collection must be turned on using ‘chdev-l sys0 -a iostat=true’