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

Here is the breakdown of what is wrong and how to fix it:

By following these steps and adding the -d megaraid,N option to the smartctl command, you should be able to successfully monitor and manage your disk drives behind a Dell or MegaRAID controller. Here is the breakdown of what is wrong