Command Line Disk Benchmark

diskbench

#!/bin/sh
# This came from Greg V's dotfiles:
#      https://github.com/myfreeweb/dotfiles
# Feel free to steal it, but attribution is nice
#
# Thanks:
#  http://www.amsys.co.uk/2013/blog/using-command-line-to-benchmark-disks/

echo "Benchmarking write..."
dd if=/dev/zero bs=2048k of=tstfile count=1024 2>&1 | grep sec | awk '{print $1 / 1024 / 1024 / $5, "MB/sec" }'
[ -e "`which purge`" ] && purge
echo "Benchmarking read..."
dd if=tstfile bs=2048k of=/dev/null count=1024 2>&1 | grep sec | awk '{print $1 / 1024 / 1024 / $5, "MB/sec" }'
rm tstfile