Using storcli64 and smartctl check a HDD health

  990  mkdir disk-checklog-20201216
  991  cd disk-checklog-20201216
# get smart info for DID 30 of /dev/sdb
  992  smartctl -s on -a -d megaraid,30 /dev/sdb > sdb_DID30.smartctl.txt
  993  smartctl -s on -a -d megaraid,31 /dev/sdb > sdb_DID30.smartctl.txt
  994  smartctl -s on -a -d megaraid,30 /dev/sdb > sdb_DID30.smartctl.txt
  995  smartctl -s on -a -d megaraid,31 /dev/sdb > sdb_DID31.smartctl.txt
  996  smartctl -s on -a -d megaraid,32 /dev/sdb > sdb_DID32.smartctl.txt
  997  ls
  998  diff sdb_DID3{0,1}*
  999  ls
 1000  diff sdb_DID30.smartctl.txt ../disk-checklog/sdb_DID30.smartctl 
 1001  ls
 1002  cd ginpie/
 1003  ls
 1004  cd disk-checklog-20201216/
 1005  diff sdb_DID30.smartctl.txt ../disk-checklog/sdb_DID30.smartctl 
 1006  grep -i error sdb_DID3*
 1007  grep 'No Errors' sdb_DID3*
 1008  less sdb_DID32.smartctl.txt 
 1009  less sdb_DID31.smartctl.txt 
 1010  less sdb_DID30.smartctl.txt 
 1011  less sdb_DID31.smartctl.txt 
 1012  less sdb_DID30.smartctl.txt 
 1013  ls
# show all hard drives info
 1014  /opt/MegaRAID/storcli/storcli64 /c0 show > c0_show.txt
 1015  less sdb_DID30.smartctl.txt 
 1016  ls
 1017  ls ../disk-checklog

# LED Mark up a HDD example:
# c0 i.e. control 0 , eid=27, slot=0
/opt/MegaRAID/storcli/storcli64  /c0/e27/s0 start locate