download from https://www.dell.com/support/home/us/en/04/drivers/driversdetails?driverid=f48c2

cd /opt
tar xvf perccli_7.1-007.0127_linux.tar.gz
cd Linux
sudo apt-get install alien
alien -k perccli-007.0127.0000.0000-1.noarch.rpm
dpkg -i perccli_007.0127.0000.0000-1_all.deb

apt install libncurses5
curl -L "https://github.com/matveynator/sysadminscripts/raw/main/debian/megacli_8.07.14-2_all.deb" > \
        /tmp/megacli_8.07.14-2_all.deb; dpkg -i /tmp/megacli_8.07.14-2_all.deb;
ln -s  /opt/MegaRAID/MegaCli/MegaCli64 /usr/bin/megacli        

vedere https://blog.frehi.be/2011/09/12/megacli-useful-commands/

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

raid controller log

megacli -FwTermLog -Dsply -aALL > raid_log.txt

summary

megacli -ShowSummary -aALL | less

show failed disks

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

# Info Battery

megacli -AdpBbuCmd -aALL

• disable read ahead on read cache
• enable write through on write

add-apt-repository universe
apt-get update
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

wget https://downloads.dell.com/FOLDER05012856M/1/BIOS_0F4YY_LN_6.6.0.BIN
chmod +x BIOS_0F4YY_LN_6.6.0.BIN
./BIOS_0F4YY_LN_6.6.0.BIN