hdd.batch

#!/bin/sh
#SBATCH -J arrh-storage-benchmark-hdd

usage() {
    echo >&2 "Usage: sbatch [-N NUMNODES] hdd.batch DIRECTORY"
    echo >&2 "Run benchmark creating, writing, and reading files in DIRECTORY"
    exit 2
}

if [ $# -ne 1 ]
then usage
fi

NUMTHREADS=16

srun --ntasks-per-node=1 --cpus-per-task="$NUMTHREADS" \
    elbencho --service --foreground > /dev/null &

sleep 5  # wait for services to start

#
# Sequential write/read
#
echo 'hdd.batch: Sequential write/read'
elbencho --hosts "$(scontrol show hostnames | tr '\n' ',')" "$1" \
    -w -r -t "$NUMTHREADS" -s 4G -b 1M -n 0 -F --rotatehosts=1

#
# Metadata (creat/stat/unlink)
#
echo 'hdd.batch: Metadata'
# to be written

elbencho --hosts "$(scontrol show hostnames | tr '\n' ',')" \
    --quit