Smartctl Open Device Dev Sda Failed Dell Or Megaraid Controller Please Try Adding 39d Megaraid N 39 Extra Quality Extra Quality
Decoding the "smartctl open device dev/sda failed" Error on Dell PERC/MegaRAID Controllers
The Solution
Logging, metrics, and UX
Via smartctl scan:
The value for N (the Device ID) is not always 0, 1, 2, etc. You can find the correct IDs using two methods: smartctl --scan Use code with caution. Copied to clipboard Decoding the "smartctl open device dev/sda failed" Error