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

S.M.A.R.T. commands usually require root .

smartctl -a /dev/sg0 --device=megaraid,2 2 To fix this

To fix this, you must bypass the virtual layer using the -d (device type) flag to talk directly to the physical drive behind the controller. : smartctl -a -d megaraid,N /dev/sda 2 To fix this

If you have no tools installed, use a bash loop to find the disk: 2 To fix this

#!/bin/bash VIRTUAL_DEV="/dev/sda" MAX_DRIVES=32 # Most controllers support 32 drives max.

However, if you are managing a Dell PowerEdge server or a system utilizing a Broadcom/LSI MegaRAID controller, you have likely encountered a frustrating roadblock. When attempting to check drive health with a standard command like smartctl -a /dev/sda , you are met with a cryptic error message: