Smartctl Open Device Dev Sda Failed Dell Or Megaraid Controller Please Try Adding 39d Megaraid N 39 Extra Quality -

When attempting to run smartctl, a popular command-line utility for monitoring and managing disk drives, on a Linux system, you might encounter an error message similar to:

smartctl open device /dev/sda failed: Dell or MegaRAID controller. Please try adding '-d megaraid,N' When attempting to run smartctl, a popular command-line

Here's an example: