iozone_plain_iscsi_di.sh

#!/bin/bash                                                                                                                            
 
 
HOSTNAME=$(hostname)
DATE=$(date "+%Y%m%d-%H%M%S")
 
# iozone variables
output_path="/root/st_measure/iozone/iscsi_plain_direct_io_${HOSTNAME}"
file_size="256m"
 
mkdir -p ${output_path}
echo "Output path '${output_path}' is created"
 
# measure plain iscsi
# 0: write/rewrite
iozone -I -i 0 -f /mnt/plain_iscsi/test_iscsi_plain_measure -w -s ${file_size} > ${output_path}/SEQ.W_SEQ.RW_${file_size}_${DATE}.txt
sleep 1
 
# 1: read/re-read
iozone -I -i 1 -f /mnt/plain_iscsi/test_iscsi_plain_measure -w -s ${file_size} > ${output_path}/SEQ.R_SEQ.RR_${file_size}_${DATE}.txt
sleep 1
 
# 2: random-read/write
iozone -I -i 2 -f /mnt/plain_iscsi/test_iscsi_plain_measure -w -s ${file_size} > ${output_path}/RAND.R_RAND.W_${file_size}_${DATE}.txt
sleep 1
 
rm -f /mnt/plain_iscsi/test_iscsi_plain_measure