apt install -y gnupg

wget -O - https://hwraid.le-vert.net/debian/hwraid.le-vert.net.gpg.key | sudo apt-key add -
echo "deb http://hwraid.le-vert.net/ubuntu xenial main" | sudo tee -a /etc/apt/sources.list.d/hwraid.list
apt update
apt install -y megacli

summary

megacli -ShowSummary -aALL | less

show failed disks

megacli -ShowSummary -aALL | grep State
megacli -AdpEventLog -GetEvents -critical -a0

apt install -y rpm
wget https://downloads.dell.com/FOLDER01002136M/1/SAS-RAID_Firmware_F96NR_LN_6.3.3-0002_X00.BIN
bash SAS-RAID_Firmware_F96NR_LN_6.3.3-0002_X00.BIN --extract perc6e_fw
megacli -adpfwflash -f perc6e_fw/payload/FW1371iI.rom -aAll