Originally published at: https://www.cyberciti.biz/faq/linux-checking-sas-sata-disks-behind-adaptec-raid-controllers/
I can use the “smartctl -d ata -a /dev/sdb” command to read hard disk health status directly connected to my system. But, how do I read smartctl command to check SAS or SCSI disk behind Adaptec RAID controller from the shell prompt on Linux operating system?