https://www.thomas-krenn.com/en/wiki/Smartmontools_with_MegaRAID_Controller

accedere al disco se è presente un controller raid (es. megaraid):
smartctl -a -d megaraid,N  /dev/sdX

Comandi utili
#Checking a drive for SMART Capability
smartctl -i /dev/sdX
oppure se è presente un controller supportato
smartctl -i -d megaraid,12 /dev/sdX

esempio:
=== START OF INFORMATION SECTION ===
Model Family:     Western Digital Black Mobile
Device Model:     WDC WD5000LPLX-00ZNTT0
Serial Number:    WD-WX11A89EJ7X3
LU WWN Device Id: 5 0014ee 2118a19f6
Firmware Version: 01.01A01
User Capacity:    500.107.862.016 bytes [500 GB]
Sector Sizes:     512 bytes logical, 4096 bytes physical
Rotation Rate:    7200 rpm
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   ACS-2, ACS-3 T13/2161-D revision 3b
SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is:    Sat Feb 27 17:21:57 2021 CET
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

#Testing a Drive
smartctl -c /dev/sdX
smartctl -t short /dev/sdX
smartctl -t long /dev/sdX

smartctl -a /dev/sdX | grep remaining

#Show Results
You can view a drive's test statistics by typing:
sudo smartctl -l selftest /dev/sda 

To display detailed SMART information for an IDE drive, type:
sudo smartctl -a /dev/sda