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

The error message suggests that the disk drive is behind a RAID controller, which is a hardware component that manages multiple disk drives as a single logical unit. In this case, the controller is a Dell or MegaRAID device. The smartctl utility needs to communicate with the disk drive through this controller, but it doesn't know how to do so by default.

smartctl -d megaraid,0 /dev/sda

: These proprietary Dell/Broadcom tools provide the exact "Device ID" (DID) for each drive. Command: sudo storcli /c0 /eall /sall show . Look for the DID column; use these integers for The error message suggests that the disk drive

Dell’s PERC cards (especially Series 7, 8, 9, 10, and 11) are rebranded LSI MegaRAID controllers. Therefore, the generic -d megaraid,N flag is the correct interface. Therefore, the generic -d megaraid,N flag is the