• Do a minimal installation
• Configure iSCSI network interfaces with MTU of 9000
• Do a yum update after the installation

yum install targetcli net-tools wget chrony
wget https://downloads.linux.hp.com/SDR/add_repo.sh
sh ./add_repo.sh spp -d rhel -r 7
yum install hpssacli
=====Configuration=====

/etc/sysconfig/modules/scsi.modules

#!/bin/sh

if [ ! -c /dev/sg0 ] ; then
  exec /sbin/modprobe sg >/dev/null 2>&1
fi

chmod 755 /etc/sysconfig/modules/scsi.modules

hpssacli
controller slot=2 modify cacheratio=75/25

/etc/rc.local

echo noop > /sys/block/sda/queue/scheduler
# /sbin/blockdev --setra 1024 /dev/sda

tuned-adm profile network-throughput