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

Here's an example:

NVMe drives behind a Dell PERC 11 or 12 (e.g., H755) are often passed through as NVMe namespaces, but if they are RAIDed, you may need -d nvme-megaraid,N on newer smartmontools (version 7.3+). Here's an example: NVMe drives behind a Dell

sudo smartctl -a -d megaraid,0 /dev/sda