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

The error message explicitly tells you what to do. You must:

– less reliable, but if you have 4 drives in RAID10, IDs 0 and 1 are likely the first mirror pair. The error message explicitly tells you what to do

To find the correct disk number, you can use the following command: you can use the following command: