https://www.cyberciti.biz/tips/linux-filesystem-benchmarking-with-iozone.html
iozone -r 4k -s 4096m -b test4k.xls
https://devopsideas.com/benchmarking-disk-iops-aws-vs-digitalocean/
fio --randrepeat=1 --gtod_reduce=1 --name=test --filename=test --bs=4k --iodepth=64 --size=4G --readwrite=randrw --rwmixread=75
versión windows
https://bluestop.org/fio/