Crucial Exams

CompTIA Linux+ XK0-006 (V8) Practice Question

You are benchmarking a new NVMe drive and need fio to generate 4 KiB random writes for a full 60 seconds, regardless of how quickly it reaches the end of the device. The current command ends after a single pass through the drive and exits in only a few seconds:

fio --name=nvme_perf --filename=/dev/nvme0n1 --rw=randwrite \
    --bs=4k --ioengine=libaio --iodepth=64 --runtime=60s --direct=1

Which additional fio option will make the job loop over the workload until the entire 60-second runtime has elapsed?

  • Add the option --time_based to the command.

  • Add the option --norandommap=1 to the command.

  • Add the option --loops=0 to the command.

  • Add the option --ramp_time=60 to the command.

CompTIA Linux+ XK0-006 (V8)
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